REVIEWS

Daqian World Commodity Store Stop Leak Radiator Treatment of 2026

By Daqian World Commodity Store Editor • 2026-09-22
Disclosure: As an Amazon Associate, we earn from qualifying purchases made through links on this page. Our assessments are based on hands-on testing. Buying through our links does not affect your price but supports our research.

Daqian World Commodity Store Stop Leak Radiator Treatment

of September 2026
1
Best Choice
Bar's Leaks HG-1 HEAD SEAL Blown Head Gasket Repair
Bar's Leaks
9.9
Exceptional
4.5 stars
View on Amazon
2
Best Value
XADO ATOMEX Oil Additive Stop Leak Engine - Restore Seal and Gaskets, Treatment
XADO
9.8
Exceptional
4.5 stars
View on Amazon
3
Leak Saver Direct Inject Ultimate 3-in-1 | AC Refrigerant Leak Sealer | with UV
Leak Saver
9.7
Exceptional
4.5 stars
View on Amazon
4
Design Engineering Radiator Relief Cooling System Flush 16 oz  Engine Radiator
Design Engineering
9.6
Exceptional
4.5 stars
View on Amazon
5
BlueDevil 00239 Hydraulic Stop Leak - 1 Quart
BlueDevil Products
9.5
Excellent
4 stars
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6
Bars Leaks 01186 16.9 Oz Liquid Aluminum Cooling System & Radiator Stop Leak
Bar's Leaks
9.4
Excellent
4 stars
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7
K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair
K-Seal
9.3
Excellent
4 stars
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8
XADO Engine Oil System Cleaner with Anti-carbon Effect - Removes Contamination
XADO
9.2
Excellent
4 stars
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9
K-Seal ST3501 Pour & Go Head Gasket Sealer, 16 oz  Repairs Blown Head Gaskets,
K-Seal
9.1
Excellent
4 stars
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10
Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.
Bar's Leaks
9
Excellent
4 stars
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11
Visbella Radiator Stop Leak Sealer Conditioner Radiator Repair Kit Car Heater
Visbella
8.9
Very Good
3.5 stars
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12
Bar's Leaks 1100 Head Gasket Repair - 20 oz.
Bar's Leaks
8.8
Very Good
3.5 stars
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13
ERRECOM Bluet, Car Radiator Stop Leak, 8 fl oz Bottle (250 mL)
ERRECOM
8.7
Very Good
3.5 stars
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14
AM Worldwide Radiator Stop Leak Powder No-Seep Powder for Aluminum Radiators
Generic
8.6
Very Good
3.5 stars
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15
Motor Medic C312 Radiator Sealer and Stop Leak - 11 oz.
Niteo Products
8.5
Good
3 stars
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16
Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to
Leak Saver
8.4
Good
3 stars
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17
Mastercool 90935 Alum Bond Aluminum Repair Compound  High-Strength
Mastercool
8.3
Good
3 stars
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18
22-Piece No-Spill Coolant Filling Funnel Kit and Siphon Hose Pump, Radiator
SEDY
8.2
Good
3 stars
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19
Bar's Leaks H60-1 Hydraulic Seal Stop Leak & Conditioner, 128. Fluid_Ounces
Bar's Leaks
8.1
Good
3 stars
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20
Bar's Leaks High Mileage Engine Repair-It, 16.9 oz
Bar's Leaks
8
Good
3 stars
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21
Bar's Leaks Liquid Aluminum Radiator and Heater Core Stop Leak. 6 Pack,1186-6PK
Bar's Leaks
7.9
Good
3 stars
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22
Bar's Leaks Radiator Stop Leak, 11 oz, Pack of 4
Bar's Leaks
7.8
Good
3 stars
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23
Flex Paste, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes
Flex Paste
7.7
Good
3 stars
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24
BlueDevil Products 00203 Radiator Flush & Oil Degreaser - 1 Quart
BlueDevil Products
7.6
Good
3 stars
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25
BlueDevil Products 38386 Head Gasket Sealer - 1 Quart
BlueDevil Products
7.5
Good
3 stars
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26
Leak Saver Direct Inject AC Leak Sealer | AC Stop Leak for Most HVAC Systems Up
Leak Saver
7.4
Good
3 stars
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27
Lucas Oil 10008 Power Steering Stop Leak - 12 Ounce
LUCAS
7.3
Good
3 stars
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28
Bar's Leaks Rear Main Seal Repair, 16.9 oz
Bar's Leaks
7.2
Good
3 stars
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29
Oatey 30115 Hercules Boiler Liquid Stop Leak, 1-Quart
Oatey
7.1
Good
3 stars
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30
Rislone High Mileage 4 6 8 Compression Repair, 16.9 oz.
Bar's Leaks
7
Good
3 stars
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31
ABRO Super Seal, 11.4 oz., Permanently Seals Cracks & Holes, Copper Infused
ABRO
6.9
Good
3 stars
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32
Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz. (12)
6.8
Good
3 stars
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33
Bar's Leaks 1194-6PK Radiator Stop Leak (6/6Oz)
Bar's Leaks
6.7
Good
3 stars
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34
Bar's Products-Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz. -2 Pack
6.6
Good
3 stars
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35
Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate
Bar's Leaks
6.5
Good
3 stars
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36
Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate
6.4
Good
3 stars
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37
Cooling System Stop Leak
Bar's Leaks
6.3
Good
3 stars
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38
Bar's Leaks High Mileage Transmission Repair-It, 16.9 Fl Oz
Bar's Leaks
6.2
Good
3 stars
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39
Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz , Gray
Bar's Leaks
6.1
Good
3 stars
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40
Bar's Leaks High Mileage Cooling System Repair
Bar's Leaks
6
Good
3 stars
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41
Bar's Leaks Radiator Stop Leak 2X Concentrate, 6 oz.
Bar's Leaks
5.9
Good
3 stars
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42
K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
K-Seal
5.8
Good
3 stars
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43
Liqui Moly 20132 Radiator Stop Leak, 0.25 l, 1 Pack
Liqui Moly
5.7
Good
3 stars
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44
ACDelco GM Original Equipment 10-108 Cooling System Sealing Tabs - 4 g (Pack of
ACDelco
5.6
Good
3 stars
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45
ATP Automotive AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
ATP Automotive
5.5
Good
3 stars
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46
Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18
Bar's Leaks
5.4
Good
3 stars
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47
Bar's Leaks 1177 Radiator Stop Leak Tablets, 1.76oz
Bar's Leaks
5.3
Good
3 stars
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48
Bar's Leaks 1196 Radiator Stop Leak - 11 oz. , Grey
Bar's Leaks
5.2
Good
3 stars
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49
Bar's Leaks 1415 Transmission Fix, 11.5oz, Pack of 1
Bar's Leaks
5.1
Good
3 stars
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50
Bar's Leaks 1420 Transmission Stop Leak - 11 oz. , Grey
Bar's Leaks
5
Good
3 stars
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51
Bar's Leaks 1630 Power Steering Stop Leak - 11 oz,Grey
Bar's Leaks
4.9
Good
3 stars
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52
Bar's Leaks Jack Oil with Stop Leak - 12.5 oz
Bar's Leaks
4.8
Good
3 stars
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53
Bar's Leaks OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz.
Bar's Leaks
4.7
Good
3 stars
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54
Bar's Leaks Radiator Stop Leak Tablets, 1.76oz, Pack of 7
Bar's Leaks
4.6
Good
3 stars
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55
Bar's Leaks Radiator Stop Leak, 11 oz
Bar's Leaks
4.5
Good
3 stars
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56
Blue Magic 1008-24PK Liquid Glass Metallic Seal-Up - 11.4 oz.
Blue Magic
4.4
Good
3 stars
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57
BlueDevil Products 00204 Radiator Flush - 1 Quart
BlueDevil Products
4.3
Good
3 stars
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58
BlueDevil Products 00232 Power Steering Stop Leak - 8 Ounce
BlueDevil Products
4.2
Good
3 stars
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59
BlueDevil Products 00241 Pro Universal Leak Repair - 12 Ounce
BlueDevil Products
4.1
Good
3 stars
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60
BlueDevil Products 49499 Oil Stop Leak - 8 Ounce
BlueDevil Products
4
Good
3 stars
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61
BlueDevil Products Red Angel 49496 A/C Stop Leak - 2 Ounce
BlueDevil Products
3.9
Good
3 stars
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62
Design Engineering Radiator Relief Coolant Additive Engine Coolant for Cars,
Design Engineering
3.8
Good
3 stars
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63
Dike Radiator Stop Leak - 1 Pint
Parts Express
3.7
Good
3 stars
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64
Engine Oil Stop Leak Engine stop smoke restore seals and gaskets
MotorPower Care
3.6
Good
3 stars
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65
FORTIVO Head Gasket Tester Kit  Over 100 Tests, Complete Combustion Leak Test
FORTIVO
3.5
Good
3 stars
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66
J-B Weld 2120 Radiator Repair Kit
J-B Weld
3.4
Good
3 stars
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67
JIFETOR Radiator Coolant Pressure Tester Vacuum Refill Tool Kit, 28PCS
JIFETOR
3.3
Good
3 stars
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68
LIQUI MOLY Oil Additive Cera Tec 3721 Ceramic Wear & Tear Protection for Petrol
Liqui Moly
3.2
Good
3 stars
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69
Liqui Moly Radiator Cleaner | 300 ml | Cooler additive | SKU: 2051
Liqui Moly
3.1
Good
3 stars
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70
Lucas Oil 10011 Power Steering Stop Leak - 1 Quart
Lucas Oil
3
Good
3 stars
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71
Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart
Lucas Oil
2.9
Good
3 stars
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72
Lucas Oil 11100 Engine Oil Stop Leak - Top Off Additive - 1 Quart
Lucas Oil
2.8
Good
3 stars
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73
PEAK Titanium 50/50 Prediluted Antifreeze and Coolant for All Engine Cooling
PEAK
2.7
Good
3 stars
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74
Permatex 30301 Radiator Repair - Stop Leak, 16 fl oz, Protecting Against
Permatex
2.6
Good
3 stars
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75
Prestone AS105 Total Cooling System Cleaner for Radiator, Heater Core, and
Prestone
2.5
Good
3 stars
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76
Rectorseal 45302 Freeze Leak Repair, 0.5 oz, Red
Rectorseal
2.4
Good
3 stars
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77
Red Angel Automotive A/C Refrigerant Stop Leak with Attached Cupler| Permanent
BlueDevil Products
2.3
Good
3 stars
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78
RED TEK LeakStop12 A/C Seal Treatment (4 oz. can)
RED TEK
2.2
Good
3 stars
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79
Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 oz.
Royal Purple
2.1
Good
3 stars
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80
SMART JERRY - Coolant Bleeder Kit, Radiator Burping Funnel, No-Spill Coolant
SMART JERRY
2
Good
3 stars
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81
Speedway Motors Conklin Dike Radiator Stop Leak Sealant Coolant Additive 001339
Speedway Motors
1.9
Good
3 stars
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82
Visbella Radiator Stop Leak Sealer Conditioner Radiator Repair Kit Car Heater
Visbella
1.8
Good
3 stars
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83
Wynns Radiator Stop Leak 325ml
Wynn's
1.7
Good
3 stars
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84
XADO ATOMEX Stop Leak Radiator Coolant Additive - Repair Seal, Restore Radiator
XADO
1.6
Good
3 stars
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85
Prestone AS145 Stop Leak Repair for Radiators, Heater Cores, and Hoses, 11 oz.,
Prestone
1.5
Good
3 stars
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86
Bar's Leaks PLT11 Pelletized HD Radiator Stop Leak - 11 oz.
Bar's Leaks
1.4
Good
3 stars
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Click here to learn more about these products.

Bar's Leaks HG-1 HEAD SEAL Blown Head Gasket Repair

Repairs Blown Head And Intake Gasket Leaks. Seals Cracked Cylinder Heads And Blocks. Stops Heater Core And Radiator Leaks. Fixes Leaking Freeze And Core Plugs. Strongest antifreeze-compatible solution on the market.

XADO ATOMEX Oil Additive Stop Leak Engine - Restore Seal and Gaskets, Treatment for Car Engine High Mileage or Rear Main Seal, Best Stopper Leaks Reseal (Bottle, 250 ml)

Elasticity Restorer Look no further for a solution to restore elasticity ability of rubber gaskets and seals. Say goodbye to leaks and fugas with our formula for complete rejuvenation and protection.. Leak Prevention Ideal for stopping engine oil leakages. Engineered for all engines, including auto and motorcycle, our slick liquid formula fixes leaks and rejuvenates seals.. Cost Saver It offers complete protection for older and new engines. This multi-purpose aditivo is perfect for stopping leaks, enhancing engine performance, and extending the life of your vehicle.. Efficiency Enhancer Reduces engine noise and oil consumption with our advanced formula.The slick liquid fix rejuvenates seals, valves, and cylinders, ensuring smoother operation and reducing wear.. Universal Compatibility This multi-purpose sealant works with auto, motorcycle, and marine engines, preventing fugas and leaks while rejuvenating seals, valves, and cylinders..

Leak Saver Direct Inject Ultimate 3-in-1 | AC Refrigerant Leak Sealer | with UV Dye & Moisture Remover | for Most HVAC Systems Up to 5 Tons - Professional AC Leak Sealer - AC Stop Leak

3-IN-1 SEALANT MOISTURE REMOVER UV DYE Our proven leak sealant now includes moisture remover and UV dye for the complete system treatment Now, you can seal your leak, remove system moisture, or find large leaks with the UV Dye...all in one easy to install package. STOP LEAKS PERMANENTLY - The Leak Saver can permanently seal refrigerant leaks where the complete refrigerant charge is not lost within 7 days. When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks. WORKS WITH ALL SYSTEMS REFRIGERANTS INCLUDING CARS - Our product is compatible with all systems, refrigerants except ammonia, car refrigerants, and oils. It is great for central air conditioners, automotive air conditioners, refrigerators, ductless mini-splits, heat pumps, geothermal heat pumps, commercial refrigeration systems, micro channel coils and more. It also works with all refrigerants including R410A Freon, R22 and replacements, R134A , r1234yf, R404A, R290, R600a, and more. STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver HVAC sealant injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits. NOTE for automotive systems, you will still need the standard 134A to 14 charging adapter. Mini-splits may require a 516 to 14 charging adapter. You can see our straightforward installation videos below. SAFE FOR ALL TOOLS AND PARTS - Our HVAC leak sealer is safe for all manifold gauges, hoses, expansion valves TXVs, TEVs, capillary tubes, etc, Schrader valves, and anything needed to service your system. Adapter required for mini splits 516 to 14 and automotive systems 134A to 14. THE MOST TRUSTED - The numbers dont lie With more than 4,000,000 units sold of our air conditioner leak sealer formula since 2015, we are the most trusted leak sealant among HVAC professionals. Proudly made in the USA. We stand 100 behind the quality of our products. If for any reason you are not satisfied with your order, reach out to us and we will make it right..

Design Engineering Radiator Relief Cooling System Flush 16 oz Engine Radiator Cleaner and Cooling System Flush Treatment for Improved Cooling Performance and Rust Removal

Design Engineering Radiator Relief Cooling System Flush is a powerful 16 oz treatment designed to clean and flush your engines cooling system, removing rust, scale, and deposits to improve radiator efficiency and overall cooling performance.. This advanced formula helps reduce engine temperatures by enhancing heat transfer, protecting against overheating during intense driving or extreme conditions, extending engine life and reliability.. Radiator Relief contains corrosion inhibitors and anti-foaming agents to protect all radiator materialsincluding cast iron, copper, brass, and aluminumwhile balancing pH levels to prevent acidic damage and mineral buildup.. Safe for use with all types of antifreeze and coolant mixtures, this treatment works compatibly in automotive, marine, and industrial cooling systems without harming seals, hoses, or other components.. Easy to use with a recommended dosage of 1 oz per quart of coolant, Radiator Relief maintains a clean cooling system, reduces maintenance needs, and enhances engine performance by promoting efficient heat dissipation..

BlueDevil 00239 Hydraulic Stop Leak - 1 Quart

Permanent Seal. Works in all Hydraulic Systems. Restores Dried, Cracked, and Shrunken Rubber Seals. Package Weight 1.111 kilograms.

Bars Leaks 01186 16.9 Oz Liquid Aluminum Cooling System & Radiator Stop Leak

Compatible with all brands OD antifreeze. Water wetter type additive promotes a cooler running radiator system.

K-Seal ST5501 Multi Purpose One Step Permanent Coolant Leak Repair

Permanent Coolant Leak Repair - Just Shake, Pour And Go.Fit Type Universal. Mixes With All Antifreeze. No Draining Or Flushing. Fixes Cracks And Leaks In Radiator, Head Gasket, Freeze Plugs, Cylinder Heads, Heater Core, Water Pump Casing And Engine Blocks.

XADO Engine Oil System Cleaner with Anti-carbon Effect - Removes Contamination & Engine Sludge - ATOMEX Total Flush Revitalizant (bottle, 250ml)

Deep engine cleaning Removes deposits, sludge, and gunk from your engine's oil system for improved performance. Versatile formula Suitable for all engine types, including turbo-supercharged engines. Long-lasting protection Revitalizant in the formula creates a protective barrier for engine health. Easy to use Simply add to your engine oil before an oil change. Trusted brand XADO has been a leader in engine care for over 20 years, with proven results and satisfied customers.

K-Seal ST3501 Pour & Go Head Gasket Sealer, 16 oz Repairs Blown Head Gaskets, Cracked Heads & Engine Blocks

FIX IT FAST Our advanced formula with 33 more sealing power than regular K-Seal, ensures a long-lasting, seal for challenging leaks. Fixes blown head gaskets, cracked heads porous engine blocks in cars. STOP HOLES CRACKS With just 1 step our unique formula with ceramic micro-fibres, will seal leaks up to 0.64mm in size, without any adverse impact on the engine. VERSATILE COMPATIBILITY Works with all types of coolant compatible with a wide range of vehicle engine materials heavy duty machinery.. Attention If you notice bubbles coming from the radiator or coolant reservoir, or if K-Seal engine coolant stop leak is not sealing, the system might be over-pressurized. Refer to the Technical Specification section of this page for additional instructions to ensure a successful repair. Over 8 million bottles sold worldwide.

Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz.

PERMANENTLY FIXES COOLING SYSTEM LEAKS . One step formula permanently repairs coolant loss problems on cars, trucks, vans, SUVs and RVs.. ANTIFREEZE COMPATIBLE - NO DRAINING REQUIRED Antifreeze compatible sodium silicate liquid glass penetrates large and small leaks in plastic, aluminum and cast iron heads, blocks, intake manifold gaskets, freeze plugs, heater cores and radiators.. ONE STEP - POUR DIRECTLY INTO RADIATOR - EASY TO USE Fiber additives lock together with liquid to increase strength and promote a permanent seal. It will not harm the coolingsystem when used properly, no draining is required.. USE WITH ALL TYPES OF TRADITIONAL OR EXTENDED LIFE COOLANT Use with ALL types of traditional or extended life coolant including yellow, orange, pink, red, blue, purple and green silicate based non-silicate based OATHOAT 50-50 mix antifreeze, andor water..

Visbella Radiator Stop Leak Sealer Conditioner Radiator Repair Kit Car Heater Core, Freeze Plugs, Cooling System & Radiator Repair (Tube, pcs, 24)

Engineered by automobile and chemistry experts, this Radiator Stop Leak Sealer ensures your car's cooling system runs smoothly. Safe for all metals, plastics, rubbers, aluminum, hoses and connections, it's the guardian your radiator needs. Compatible with all antifreeze types, this Leak Sealer Conditioner not only stops leaks but prevents rust and lubricates the water pump. Our Radiator Sealant offers an affordable solution to prevent and repair cooling system damage, saving you time and money. One step formula -pour directly into radiator- permanently repairs coolant loss problems on cars, bus, trucks, vans, SUVs and RVs.

Bar's Leaks 1100 Head Gasket Repair - 20 oz.

Stops block leaks. Seals cracked cylinder heads and blocks. Repairs blown head gaskets. Dual Action 2 Part Formula LIQUID CERAMIC Liquid penetrates large and small leaks to form a seal actually harder than the original head gasket REINFORCED FIBERS Fiber additives lock together with liquid to increase strength and promote a permanent seal. Head Gasket Sealant is NOT COMPATIBLE with antifreeze and must only be added to the cooling system after ALL ANTIFREEZE has been flushed and removed.. Included components Unit, Instruction Guide.

ERRECOM Bluet, Car Radiator Stop Leak, 8 fl oz Bottle (250 mL)

Repairs and prevents small liquid leaks from the radiator and cooling system hoses, pipes and water pump of 2 and 4-stroke engines powered by petrol, LPG and diesel. Seals leaks on cylinder head gaskets and engine block 8 fl oz 250 ml is sufficient for cooling systems with a maximum capacity of 1.32 Gal 5 liters. Compatible with all materials used in the cooling and heating system with and without water filter, as well as with aluminium and plastic coolers compatible with all coolant and antifreeze additives. Resistant to high temperatures, pressures and vibrations safe because it has been specially formulated so as not to damage the components of the cooling system. EASY TO USE Start the engine, set the heating and fan to maximum, pour the contents into the coolant reservoir, and let the engine idle for 45 minutes. 8 fl oz 250 ml is sufficient for cooling systems with a maximum capacity of 1.32 Gal 5 liters..

AM Worldwide Radiator Stop Leak Powder No-Seep Powder for Aluminum Radiators Heavy Duty Radiator Leak Sealant for Cooling Systems

Professional-Grade Radiator Stop Leak Powder Advanced powdered radiator stop leak formula designed for effective, long-lasting sealing of leaks in aluminum radiators and cooling systems.. Powerful Leak Sealant Quickly seals leaks in radiators, heater cores, and cooling systems, preventing costly repairs and ensuring optimal performance.. High-Quality, Powdered Formula Crafted from premium materials, this radiator sealant is specially formulated to be safe on aluminum and compatible with antifreeze and coolant systems.. Heavy Duty Reliable This heavy-duty radiator leak stop powder withstands high pressures, providing durability and reliability for professional and personal use.. Trusted Brand Quality AM Worldwides professional radiator stop leak powder is engineered to meet high industry standards, trusted by mechanics for its efficacy in radiator repair and leak prevention.. JOHNONS NO-SEEP POWDER The Best, Most Economical Radiator Stop Leak Johnsons developed this improved stop leak powder, which is sold only to professional radiator shops. It is packaged in easy to open, wide mouth jars quarts and super economical plastic pails gallons. Add No-Seep Powder to radiators for additional insurance against pin hole leaks. When added dry and spread with air, it remains throughout the system until it is filled with coolant. Then it flows to any leak and acts quickly to block the hole, preventing further loss of coolant..

Motor Medic C312 Radiator Sealer and Stop Leak - 11 oz.

MOTOR MEDIC is a local family owned company based out of Charlotte, NC. For more than 75 years, LIQUID WRENCH products, developed by the people who use them, has earned the trust of hard-working tradesment and the active DIYer through consistent, superior performance and a commitment to innovation.MOTOR MEDIC.

Leak Saver Direct Inject UV - Refrigerant Leak Sealer with Added UV Dye to Detect Large Leaks - for AC, Refrigeration, and Automotive Systems Up to 5 Tons - Compatible with All Refrigerants

THE EASIEST INJECTION METHOD No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits. Note for automotive systems, you will still need the standard 134A to 14 charging adapter. Mini-splits may require a 516 to 14 charging adapter.. MORE THAN 3 MILLION UNITS SOLD SINCE 2015 The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 72 hours. Its similar to how blood in your body reacts to a cut. When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks.. WITH ADDED UV DYE FOR FINDING LARGE LEAKS Seal it or find it If you have a leak that is simply too large for leak sealants to seal, the added UV Dye will light up brightly at the leak site when using a UV flashlight.. COMPATIBLE WITH ALL SYSTEMS AND REFRIGERANTS The Leak Saver UV is compatible with all systems, refrigerants except ammonia, and oils. It is great for central air conditioners, car and automotive air conditioners, refrigerators, ductless mini-splits, heat pumps, geothermal heat pumps, commercial refrigeration systems, micro channel coils and more. It also works with all refrigerants including R410A Freon, R22 and replacements, R134A, r1234yf, R404A, R290, R600a, and more.. YOUR SATISFACTION IS OUR PRIORITY We stand behind the effectiveness 100. If for any reason you are not satisfied with your product, please contact us and we will make it right..

Mastercool 90935 Alum Bond Aluminum Repair Compound High-Strength Aluminum-Filled Epoxy for Castings, Radiators, Tanks & Engine Components Machinable Metal Repair Solution

ALUMINUM-FILLED METAL REPAIR COMPOUND Professional-grade aluminum-filled polymer designed to permanently repair cracks, blow holes, and casting imperfections in aluminum components including radiators, engine blocks, housings, tanks, and HVAC parts.. HIGH-STRENGTH INDUSTRIAL PERFORMANCE Engineered for demanding repairs with approximately 8,600 PSI compressive strength and 3,500 PSI tensile strength, creating a durable repair capable of restoring damaged aluminum surfaces.. MACHINABLE AFTER CURING Once fully cured, the repair compound can be drilled, sanded, tapped, or machined using standard metalworking tools, allowing technicians to restore functionality without replacing expensive components.. NON-SAG FORMULA FOR VERTICAL APPLICATIONS Thick paste consistency allows Alum Bond to stay in place during application, making it ideal for filling cavities, blow holes, porosity, and irregular surfaces on vertical or overhead repairs.. HIGH TEMPERATURE RESISTANCE Designed for automotive, HVAC, and industrial environments with temperature resistance up to 250F 121C after full cure.. CONTROLLED WORKING TIME FOR PRECISE REPAIRS Provides a practical working window depending on temperature conditions, allowing technicians time to properly apply and shape repairs before curing.. IDEAL FOR CASTING DEFECT AND SURFACE REPAIRS Specifically designed for repairing aluminum castings, radiators, tanks, valves, pumps, engine blocks, and HVAC components where surface defects or porosity require permanent repair.. TRUSTED MASTERCOOL PROFESSIONAL QUALITY Mastercool products are designed for professional technicians and supported by a trusted U.S.-based company known for reliable automotive and HVAC service tools..

22-Piece No-Spill Coolant Filling Funnel Kit and Siphon Hose Pump, Radiator Coolant Filling Spill-Proof Funnel Kit with Adapters, Extensions, PVC Hose, Engine Oil Funnels, Towel for Universal Vehicle

COMPREHENSIVE KIT - Comes with adapters, filler caps, 45 elbows, extenders, a durable transparent antifreeze funnel, circular funnel, siphon hand pump, and more, offering everything you need for a smooth and efficient coolant refill. EASY TO USE - This fluid transfer hand pump features a clear directional arrow on the siphon bulb to indicate liquid flow. Simply connect the PVC hoses, place the upper hose into the tank or reservoir, squeeze the bulb a few times to start the flow, and the liquid will transfer smoothly into the containe. INNOVATIVE SWITCH - Featuring a unique rotary switch, this funnel allows precise control over overflow and bubbles, enhancing your coolant filling experience with an easy-to-read scale. FLEXIBLE EXTENSIONS - Includes 5 straight extensions and 45 elbows, designed for hard-to-reach areas. These flexible parts allow for easy use at various angles, perfect for vehicle configurations of all types.. MULTIPURPOSE FUNCTIONALITY - Ideal for engine flushing, use with a coolant pressure tester kit, and versatile enough for a variety of automotive maintenance tasks.. SAFETY NOTICE Not suitable for high heat Polypropylene components withstand up to 100C 212F, and Nylon components up to 160C 320F.. COMPATIBILITY NOTICE - Please check the radiator or reservoir neck size before ordering ensures a proper fit and helps prevent coolant leaks.

Bar's Leaks H60-1 Hydraulic Seal Stop Leak & Conditioner, 128. Fluid_Ounces

KEEPS HYDRAULIC SEALS SOFT PLIABLE Designed to keep hydraulic seals soft and pliable and reduce friction and wear in hydraulic systems.. REDUCES FRICTION AND WEAR IN HYDRAULIC SYSTEMS Our formula cleans and prevents harmful formation of sludge and varnish while helping keep the hydraulic systems run cooler and last longer.. WORKS ON ALL PETROLEUM SYNTHETIC FLUID, PUMP SEALS, HYDROSTATIC TRANSMISSION Works on all Petroleum Synthetic Fluid, Pump Seals, Control Valve Seals, Actuators, Rams, Cylinders, O-ring Boss Hose Fitting, and Hydrostatic Transmission.. SAFE TO USE ON CONSTRUCTION, FARM, MANUFACTURING, FORESTRY MACHINERY, MINING, MARINE This formula is safe to use on Construction, Farm, Manufacturing, Forestry Machinery, Mining, and Marine.. Made in the USA.

Bar's Leaks High Mileage Engine Repair-It, 16.9 oz

RESTORES PERFORMANCE Contains a combination of the best performance additives to repair the most common oil-related problems. INCREASES COMPRESSION AND HORSEPOWER Restores lost compression and power, reduces noise and oil consumption, while improving the performance of worn cylinders, rings, bearings, and seals. STOPS LEAKS, NOISE, AND SMOKING For most vehicles, this is your last chance before paying an expensive repair bill or replacing the vehicle. FRICTION MODIFIERS Engine Repair can be used to top off the existing oil when low, or add a bottle when changing the oil and filter. REPAIR-IT Engine Repair-It can be used to top off existing oil when low or add a bottle when changing oil..

Bar's Leaks Liquid Aluminum Radiator and Heater Core Stop Leak. 6 Pack,1186-6PK

STOPS COOLANT LEAKS Scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Liquid Aluminum is part of the next generation stop leak line which not only seal leaks, but also conditions the system.. SEALS HEATER CORE LEAKS Contains Xtreme Cool which stops overheating and reduces water temperature.. SEALS GASKETS It is guaranteed to safely and easily seal leaks in plastic, aluminum and metal copper steel radiators, heater cores, gaskets and freeze plugs.. SEALS FREEZE PLUGS It will not harm the cooling system, no draining is required.. USE WITH ALL TYPES OF TRADITIONAL OR EXTENDED LIFE COOLANT Including yellow, orange, pink, red, blue, purple and green silicate based non-silicate based OATHOAT 50-50 mix antifreeze, andor water..

Bar's Leaks Radiator Stop Leak, 11 oz, Pack of 4

DISSOLVED PELLETIZED FORMULA Bars Leaks Radiator Stop Leak seals internal, external and coolant-to-oil leaks. It is specially formulated to seal larger leaks better than other stop leak products.. STOPS CURRENT AND FUTURE LEAKS Works safely and effectively on plastic, aluminum and metal radiators, heater cores, blocks, heads, gaskets and freeze plugs.. INHIBITS RUST AND CORROSION Water Pump Lube lubricates water pump seal and inhibits the formation of rust and scale.. WORKS WITH ALL TYPES AND COLORS OF ANTIFREEZE COOLANT AND OR WATER Compatible with both conventional silicate-based and extended life OATHOAT antifreeze, all types and colors. Can also be used in straight water.. Bars Leaks Radiator Stop Leak seals internal, external and coolant-to-oil leaks. It is specially formulated to seal larger leaks better than other stop leak products..

Flex Paste, Waterproof Paintable Putty, Spackle Sealant, Fill Gaps Cracks Holes - Block Out Water and Air - UV Resistant - Walls, Drywall, EPDM, Concrete, Roof, RV Repairs, Clear, Half-Quart

NEW STAY FRESH CONTAINER Blocks out air and locks in freshness to extend the sealing power of Flex Paste, with no waste. COAT, SEAL PROTECT - Penetrates deep to seal out air, water, and moisture. Once dry, it turns into a strong, flexible, watertight, rubberized barrier. WORKS UNDERWATER - Can be applied underwater, and it even dries underwater. FILLS LARGE AREAS - Super thick rubber paste clings to the surface and instantly fills large gaps, cracks, and holes. FULLY PAINTABLE - Once fully cured, it can be painted any color. Helps prevent rust and corrosion, and it is UV resistant.

BlueDevil Products 00203 Radiator Flush & Oil Degreaser - 1 Quart

Product Type Auto Accessory. Package Quantity 1. Country Of Origin United States. Package Dimensions 14.375 L x 5.687 W x 8.875 H.

BlueDevil Products 38386 Head Gasket Sealer - 1 Quart

Easy to use The BlueDevil Head Gasket Sealer is designed to be easy to use, allowing you to quickly and easily seal leaks in your engine without the need for any special tools or skills.. Permanent seal This product is formulated to provide a permanent seal for your head gasket, ensuring that you won't have to worry about leaks or other issues down the line. It will repair and seal leaks in blown head gaskets, warped or cracked heads, heater cores, and freeze plugs.. Compatible with all types of engines Compatible with gasoline and diesel engines, making it a versatile product that can be used on a wide range of vehicles.. Safe to use Contains no solid or particulate matter and will not clog or harm your engine. It bonds to metal, aluminum, cast, alloy, or plastic, making it safe to use as a permanent seal for your head gasket leak.

Leak Saver Direct Inject AC Leak Sealer | AC Stop Leak for Most HVAC Systems Up to 5 Tons | Works with All Systems & AC Refrigerants | Made in The USA

STOP LEAKS PERMANENTLY - The Leak Saver can permanently seal small refrigerant leaks where the complete refrigerant charge is not lost within 7 days. When a leak occurs, the Leak Saver reacts with the air and moisture at the leak site to permanently seal the leak. When used for preventative maintenance, the active ingredient circulates safely in the system to seal future leaks. WORKS WITH ALL SYSTEMS INCLUDING CARS - Our product is compatible with all systems, refrigerants except ammonia, car refrigerants, and oils. It is great for central air conditioners, automotive air conditioners, refrigerators, ductless mini-splits, heat pumps, geothermal heat pumps, commercial refrigeration systems, micro channel coils and more. It also works with all refrigerants including R410A Freon, R22 and replacements, R134A , r1234yf, R404A, R290, R600a, and more. STRAIGHTFORWARD INSTALLATION - No more fussing with messy syringes, hoses, or pressurized cans. The Leak Saver HVAC sealant injects directly and easily into the system with a basic manifold gauge set or even easier with our Leak Shot Injection Kits. NOTE for automotive systems, you will still need the standard 134A to 14 charging adapter. Mini-splits may require a 516 to 14 charging adapter. You can see our straightforward installation videos below. SAFE FOR ALL TOOLS AND PARTS - Our HVAC leak sealer is safe for all manifold gauges, hoses, expansion valves TXVs, TEVs, capillary tubes, etc, Schrader valves, and anything needed to service your system. Adapter required for mini splits 516 to 14 and automotive systems 134A to 14. THE MOST TRUSTED - The numbers dont lie With more than 4,000,000 units sold of our air conditioner leak sealer formula since 2015, we are the most trusted leak sealant among HVAC professionals. Proudly made in the USA. We stand 100 behind the quality of our products. If for any reason you are not satisfied with your order, reach out to us and we will make it right.

Lucas Oil 10008 Power Steering Stop Leak - 12 Ounce

Formulated with a blend of special oils and petroleum-extracted additives. Solvent-free formula. Excellent preventative maintenance for new power steering units. Renews and conditions worn seals. Compatible with all power steering fluids. Available in 12 oz. and 1 quart bottle sizes.

Bar's Leaks Rear Main Seal Repair, 16.9 oz

Seals timing cover, cam seal, rear main and other hard to stop oil leaks. Add to engine oil. Specifically designed to seal rear main leaks, but also works better than a conventional stop leak on all other leaks. Add entire bottle of Rear Main Seal Repair to engine crankcase where you add oil at or between oil changes. Do not overfill. Most leaks will stop within 100 miles or 2 days of driving.

Oatey 30115 Hercules Boiler Liquid Stop Leak, 1-Quart

The product is easy to use. The product is highly durable and handle. The product is manufactured in China. Seals and repairs cracks and leaks in steam and hot water systems. Seals and repairs cracks and leaks in steam and hot water systems. No odors, no priming, no foaming. As the water leaks through the crack, it is vaporized and the oxygen in the air transforms the boiler liquid into a strong, solid substance. Contains no petroleum distillates and is safe to use in boilers and systems with plastic or rubber components. Tough seal expands and contracts with heat, resists pressure and is not affected by boiler cleaners.

Rislone High Mileage 4 6 8 Compression Repair, 16.9 oz.

INCREASE AND STABILIZE COMPRESSION Rislone High Mileage Compression Repair with Ring Seal is a concentrated proprietary blend of high-shear and premium polymers developed for higher mileage engines that are suffering from decreased or uneven compression.. RENEWS WORN ENGINES Low compression can be caused by normal engine wear and decreased sealing between the piston rings and cylinder walls.. RESTORES LOST POWER The non-dispersant olefin copolymers fill scratches grooves in cylinder walls to increase and stabilize compression in all cylinders.. REPAIRS ENGINE BLOW-BY Compression Repair renews worn engines, rebuilds compression, restores lost power and repairs engine blow-by. In addition, Compression Repair helps vehicles pass emission tests.. MADE IN THE USA Use on any gasoline or diesel engine.

ABRO Super Seal, 11.4 oz., Permanently Seals Cracks & Holes, Copper Infused Liquid Glass Sealer, Withstands Extreme Conditions, Ideal for Engine Blocks, Radiators, Head Gaskets, & Freeze Plugs (1)

ADVANCED SEALING TECHNOLOGY ABRO Super Seal , enriched with innovative copper-reinforced liquid glass, provides a permanent seal for holes and cracks in engine blocks, heads, and radiators.. EXTREME CONDITIONS RESILIENCE Withstanding both extreme temperatures and pressure loads, this highly effective head gasket sealant ensures a robust and enduring solution for all your automotive needs.. PERMANENT CRACK SEALING Engineered to permanently seal cracks, ABRO Super Seal is a reliable gasket sealer that offers long-lasting protection for your vehicle's critical components, ensuring sustained performance.. VERSATILE AUTOMOTIVE APPLICATION Ideal for engine blocks, radiators, and head gaskets, this radiator leak sealer is your go-to solution for various automotive sealing needs, providing versatile and comprehensive coverage.. FREEZE PLUG PROTECTION ABRO Super Seal not only seals cracks but also serves as an effective radiator stop leak, safeguarding freeze plugs and ensuring optimal performance in even the most challenging conditions..

Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz. (12)

Bar's Leaks 1194-6PK Radiator Stop Leak (6/6Oz)

Item Package Dimension 5.38L x 5.0W x 5.0H inches. Item Package Weight - 2.9 Pounds. Item Package Quantity - 1. Product Type - SEALANT.

Bar's Products-Bar's Leaks 1194 Grey Radiator Stop Leak - 6 oz. -2 Pack

Stops Seals Coolant Leaks. Works with Any Color Antifreeze. Stops Leaks and Drips from Wear and Age. Seals Leaks in Radiator, Heater Core Freeze Plugs.

Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate

EASY LEAK REPAIR Quickly seals radiator leaks and helps prevent future coolant loss. Designed for use in automotive cooling systems for fast, reliable results every time.. COMPATIBLE WITH COOLANTS Works with all types of antifreeze and coolant for versatile use. Safe for aluminum, plastic, and metal radiators to help fix leaks without clogging.. COMPACT AND CONVENIENT Each 2.5 lb bottle is easy to store and pour. The compact size fits neatly in your garage or vehicle for on-the-go radiator maintenance and emergency repairs.. MULTI-ITEM VALUE PACK Includes 5 bottles of liquid radiator sealant for multiple applications. Ideal for maintaining several vehicles or keeping extra on hand for future needs.. WATER RESISTANT FORMULA Specially formulated for water resistance to ensure long-lasting protection. Helps maintain optimal radiator performance and reduce the risk of overheating..

Bars Leaks 01194 6 Oz Radiator Stop Leak Concentrate

Cooling System Stop Leak

EFFECTIVE COOLANT STOP LEAK Seals minor leaks in your vehicles cooling system quickly. Helps prevent costly repairs and keeps your engine running smoothly for longer periods of time.. EASY APPLICATION FORMULA Liquid form allows for simple pouring into the radiator or reservoir. No special tools or mechanical skills required for use. Compatible with most metal and plastic surfaces.. COMPACT AND PORTABLE SIZE Lightweight 6 oz. bottle fits easily in your glove box or tool kit. Ideal for emergency coolant leak repair on the go or for regular maintenance at home.. SAFE FOR COOLING SYSTEMS Water-resistant and silicone-based formula is safe for use with radiators, hoses, and gaskets. Will not clog or damage your vehicles cooling system components.. MULTI-VEHICLE COMPATIBILITY Designed for use in cars, trucks, and SUVs. Works with most automotive cooling systems and can be used as part of a cooling system flush or routine maintenance..

Bar's Leaks High Mileage Transmission Repair-It, 16.9 Fl Oz

STOPS LEAKS, SLIPPING AND ROUGH SHIFTING Reduces rough shifting and friction, while eliminating slip, controlling temperature, and repairing shudder, chatter and whining.. RESTORES PERFORMANCE Premium high mileage formula restores transmission performance and saves on costly transmission transaxle repairs.. FLUID STABILIZER Use when topping off existing fluid when low, or add a bottle when changing the fluid.. SEALS CONDITIONERS Stops leaks, slipping and rough shifting. Reduces heat friction, and stabilizes fluid.. REPAIR IT Transmission Repair-It works with all types of transmission fluids.

Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz , Gray

Bar's Leaks Liquid Aluminum Stop Leak seals radiator leaks. Seals freeze plug leaks. Repairs gasket leaks and heater core leaks. Lowers water temperature.. Seals radiator leaks. Seals freeze plug leaks. Repairs gasket leaks. Special Shipping Information This item cannot be returned and has additional shipping restrictions. TIP If direct access to radiator is not available, install in overflow tank. All products are safe to use per the directions, proper dosage and in a clean system..

Bar's Leaks High Mileage Cooling System Repair

Stops Cooling System Leaks. Compatible with all brands of anti-freeze including conventional green or blue and extended life redorange or yellow OATHOAT coolant. Premium Carbon Fiber Formulation For Extended Protection. Stops cooling system leaks.

Bar's Leaks Radiator Stop Leak 2X Concentrate, 6 oz.

Product type Auto Accessory Stops and seals coolant leaks. Package dimensions 4.064 cm L x6.096 cm W x12.446 cm H It has double the power of most other stop leak products and saves. country of origin United States coolant andor water. One bottle treats systems. package weight 0.81lbs Works with all types and colors of antifreeze Thats why we created the Bars Leaks Radiator Stop Leak 2X Concentrate.. Seals Leaks in Radiators, Gaskets, Heater Core Freeze P lugs Works with all types and colors of antifreeze coolant.

K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair

Permanent coolant leak repair - Just shake, pour and go. Mixes with all antifreeze. No draining or flushing. Fixes cracks and leaks in radiator, head gasket, freeze plugs, cylinder heads, heater core, water pump casing and engine blocks. If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn't allow the product to reach the problem area, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully.

Liqui Moly 20132 Radiator Stop Leak, 0.25 l, 1 Pack

LIQUI MOLY Radiator Stop-Leak completely seals such leaks immediately with ease. Secures the combustion chamber from damages caused by coolant admission. For all cooling water and heating systems with and without water filters.

ACDelco GM Original Equipment 10-108 Cooling System Sealing Tabs - 4 g (Pack of 5)

Engineered for use on a variety of engine components - effective on oil pan, ladder frame, front and rear covers, t-joints, manifold corners, intake, manifold end seals, and cam covers. Designed for quick and easy application, assembly may be filled with oil or coolant immediately after applying sealant and torqueing the bolts. High viscosity product that cures when exposed to air.

ATP Automotive AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle

Professional strength fast acting resealer, stops leaks fast. Rejuivinates all rubber seals gaskets in engines, transmissions, power steering, differentials and hydraulic systems. Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil. Does not contain petroleum distillates, will not over-swell or breakdown seals. 8oz bottle will treat a 6 quart capacity, adjust accordingly.

Bar's Leaks 1109 Block Seal Liquid Copper Intake and Radiator Stop Leak - 18 oz. (4 Pack)

PERMANENTLY FIXES COOLING SYSTEM LEAKS . One step formula permanently repairs coolant loss problems on cars, trucks, vans, SUVs and RVs.. ANTIFREEZE COMPATIBLE - NO DRAINING REQUIRED Antifreeze compatible sodium silicate liquid glass penetrates large and small leaks in plastic, aluminum and cast iron heads, blocks, intake manifold gaskets, freeze plugs, heater cores and radiators.. ONE STEP - POUR DIRECTLY INTO RADIATOR - EASY TO USE Fiber additives lock together with liquid to increase strength and promote a permanent seal. It will not harm the coolingsystem when used properly, no draining is required.. USE WITH ALL TYPES OF TRADITIONAL OR EXTENDED LIFE COOLANT Use with ALL types of traditional or extended life coolant including yellow, orange, pink, red, blue, purple and green silicate based non-silicate based OATHOAT 50-50 mix antifreeze, andor water..

Bar's Leaks 1177 Radiator Stop Leak Tablets, 1.76oz

PROFESSIONAL STRENGTH FORMULA Bar's Leaks Radiator Stop Leak Tablets inhibit the formation or rust and scale, neutralize pH imbalance, controls electrolysis, lubricates and seals internal, external and coolant-to-oil leaks.. OEM USED AND APPROVED Same tablets as used by manyOEM auto and truck manufacturers around the world.. SEALS LEAKS AND SEEPAGE For continued protection of the entire cooling system, repeat Bars Leaks application every 15,000 miles or once per year.. WORKS WITH ALL TYPES OF ANTIFREEZE OR WATER Professional strength formula works with ALL types and colors of antifreeze coolant including conventional, extended life, waterless and straight water.. Bar's Leaks Radiator Stop Leak Tablets inhibit the formation or rust and scale, neutralize pH imbalance, controls electrolysis, lubricates and seals internal, external and coolant-to-oil leaks..

Bar's Leaks 1196 Radiator Stop Leak - 11 oz. , Grey

STOPS SEALS COOLANT LEAKS Specially designed to stop minor cooling system leaks and drips caused by normal cooling system wear and age.. SEALS LEAKS IN RADIATORS, GASKETS, HEATER CORES FREEZE PLUGS Use one bottle for regular size cooling systems this covers most 6 and 8 cylinder passenger vehicles and light trucks. Use 12 bottle for four cylinder engines.. WORKS WITH ALL TYPES AND COLORS OF ANTIFREEZE COOLANT AND OR WATER Including yellow, orange, pink, red, blue, purple and green silicate based non-silicate based OATHOAT 50-50 mix antifreeze, andor water.. Works with all types and colors of anti-freeze coolant. Stops and seals coolant leaks. One bottle treats up to 4 gallons.

Bar's Leaks 1415 Transmission Fix, 11.5oz, Pack of 1

SEAL CONDITIONER Stops current and prevents future leaks by protecting and reconditioning seals.. PERFORMANCE ADDITIVE BOOSTER Renews worn bands, controls fluid degradation caused by high temperatures, reduces noise, and prolongs the useful life of your transmission.. EXTREME PRESSURE ANTI-WEAR AGENTS Provide better metal- to-metal friction properties to stop slipping, jerking, hard shifting, shutter and shudder, improving shift feel giving better driving comfort.. CLEANING DETERGENTS Include dispersant and antioxidants to remove sludge and varnish from metal parts.. DOSAGE One bottle treats transmission systems from 7 to 11 quarts of total fluid capacity. Use a half bottle for fluid capacity from 3 to 6.9 quarts. For larger systems, use 1 bottle for every 9 quarts..

Bar's Leaks 1420 Transmission Stop Leak - 11 oz. , Grey

Stops and seals transmission fluid leaks. Works with all types of transmission fluids. Restores gasket and seals to stop transmission fluid leaks. item package weight 0.81 pounds.

Bar's Leaks 1630 Power Steering Stop Leak - 11 oz,Grey

1 bottle treats 4 to 5 quarts of oil. Stops and seals steering fluid leaks. Works with all types of power steering leaks. Part number 1630.

Bar's Leaks Jack Oil with Stop Leak - 12.5 oz

Stops Current Leaks And Prevents Future Leaks. Works In All Floor And Bottle Jacks And With All Snow Plow Fluids. Non-Corrosive, Non-Clogging Non-Foaming. Compatible With All Petroleum Based, Mineral Oil, And Synthetic Fluids.

Bar's Leaks OS-1 Seal Engine Oil Burning/Leak Repair - 16.9 oz.

REPAIRS LEAKING MAIN SEALS AND GASKETS We have designed this product to work in all gasoline and diesel engines including turbocharged, EcoBoost, hybrid and even racing engines.. RENEWS WORN VALVE SEALS AND GUIDES Your vehicle is a good candidate for Bars Leaks Oil Seal Engine Oil Burning Leak Repair if it does not consume more than one quart of oil per day.. STOPS OIL BURNING BLUE EXHAUST SMOKE This covers 3, 4, 5, 6, 8 and 10 cylinder engines in all cars, trucks, vans and SUVs. Our product can also be used in heavy-duty applications referencing the appropriate dosage level.. SEAL ALL OTHER OIL LEAKS, DRIPS AND CONSUMPTION This applies to a wide range of other motor applications too - tractors, boats, RVs, motorcycles including wet clutch, ATVs, lawn equipment.. MADE IN THE USA.

Bar's Leaks Radiator Stop Leak Tablets, 1.76oz, Pack of 7

PROFESSIONAL STRENGTH FORMULA Bar's Leaks Radiator Stop Leak Tablets inhibit the formation or rust and scale, neutralize pH imbalance, controls electrolysis, lubricates and seals internal, external and coolant-to-oil leaks.. OEM USED AND APPROVED Same tablets as used by manyOEM auto and truck manufacturers around the world.. SEALS LEAKS AND SEEPAGE For continued protection of the entire cooling system, repeat Bars Leaks application every 15,000 miles or once per year.. WORKS WITH ALL TYPES OF ANTIFREEZE OR WATER Professional strength formula works with ALL types and colors of antifreeze coolant including conventional, extended life, waterless and straight water.. Bar's Leaks Radiator Stop Leak Tablets inhibit the formation or rust and scale, neutralize pH imbalance, controls electrolysis, lubricates and seals internal, external and coolant-to-oil leaks..

Bar's Leaks Radiator Stop Leak, 11 oz

DISSOLVED PELLETIZED FORMULA Bars Leaks Radiator Stop Leak seals internal, external and coolant-to-oil leaks. It is specially formulated to seal larger leaks better than other stop leak products.. STOPS CURRENT AND FUTURE LEAKS Works safely and effectively on plastic, aluminum and metal radiators, heater cores, blocks, heads, gaskets and freeze plugs.. INHIBITS RUST AND CORROSION Water Pump Lube lubricates water pump seal and inhibits the formation of rust and scale.. WORKS WITH ALL TYPES AND COLORS OF ANTIFREEZE COOLANT AND OR WATER Compatible with both conventional silicate-based and extended life OATHOAT antifreeze, all types and colors. Can also be used in straight water.. Bars Leaks Radiator Stop Leak seals internal, external and coolant-to-oil leaks. It is specially formulated to seal larger leaks better than other stop leak products..

Blue Magic 1008-24PK Liquid Glass Metallic Seal-Up - 11.4 oz.

Permanent cooling system sealer Liquid glass and copper formula. Engine Blocks, Radiators, Heaters, Heater Cores, Freeze Plugs. Seal withstands up to 2000 degrees Fahrenheit. Seals cracks permanently. For use in systems up to 6 gallons.

BlueDevil Products 00204 Radiator Flush - 1 Quart

Extends Vehicle Life. Advanced Cleaning Power. Concentrated Formula. Improve performance.

BlueDevil Products 00232 Power Steering Stop Leak - 8 Ounce

Guaranteed Permanent Seal for Power Steering. Restores Dried, Cracked, and Shrunken Rubber Seals. Works to Stop Leaks in Gas or Diesel Engines. It's safe and easy to use.

BlueDevil Products 00241 Pro Universal Leak Repair - 12 Ounce

Product Type Auto Accessory. Package Dimensions 7.25 L X6.25 W X9.25 H. Country Of Origin United States. Package Weight 7.0Lbs.

BlueDevil Products 49499 Oil Stop Leak - 8 Ounce

Easy to use The BlueDevil Oil Stop Leak is designed to be easy to use, simply pour the recommended amount into the leaking components oil slump, or crank case.. Permanent seal BlueDevil offers a permanent solution with our Engine Oil Stop Leak that is proven to seal your leak and get you back on the road again. Formulated to stop your seeping or dripping oil leaks permanently and keep your leak sealed even after miles of driving.. Compatible with all types of engines Compatible with gasoline and diesel engines, making it a versatile product that can be used on a wide range of vehicles.. Versatile Uses Repairs and reconditions rubber seals throughout any fluid oil system. Can be used for pinion seals, gear cases, refillable shock absorbers, gear boxes, axle seals, and gear differentials.. Safe to use Designed with a non-clogging formula that wont temporarily swell seals. Does not contain petroleum and is not harmful to your engine.

BlueDevil Products Red Angel 49496 A/C Stop Leak - 2 Ounce

Remarkable ability to repair and seal leaks in condensers, evaporators, connection hoses, gaskets, and O-rings. Contains no solid or particulate matter that will clog the AC system, or harm a recovery unit. Forms a chemical weld sealing leaks in both R-12 or R-134a systems. Safe to use and best of all its a permanent seal. Guaranteed.

Design Engineering Radiator Relief Coolant Additive Engine Coolant for Cars, Trucks, RVs, Motorcycles & More Radiator Coolant Reduces Engine Temps Up to 30F 16 oz.

LOWERS ENGINE TEMPERATURES - Radiator Relief lowers engine temperatures by up to 30F, helping your vehicle run cooler and more efficiently in hot weather. This can reduce engine wear and enhance performance, making it ideal for any water-cooled engine.. PREVENTS OVERHEATING AND CORROSION - This engine coolant helps prevent overheating and combats both electrolytic and chemical corrosion. It also reduces existing scale buildup, acting as a corrosion inhibitor to keep your engine running longer.. PROTECTS AGAINST RADIATOR CORE DAMAGE - Our radiator coolant is specially formulated to reduce engine mineral buildup, helping prevent core damage. The first additive to maintain stable pH levels, preventing harmful fluctuations that damage your engine.. VERSATILE COMPATIBILITY - This additive features an anti-foaming agent and is compatible with all types of antifreeze coolants. It's safe to use with any radiator material, including cast iron, copper, brass, and aluminum.. EASY AND SAFE TO USE - With a non-toxic, non-corrosive formula, Radiator Relief coolant additive is safe for use in cars, trucks, RVs, ATVS, snowmobiles, and motorcycles. Just add 1 oz per quart of coolant for optimal results..

Dike Radiator Stop Leak - 1 Pint

Stops Leaks In Radiators In Seconds Helps Gaskets. Works With All Standard And Permanent Antifreezes. Preventing Antifreeze And Water From Seeping Into The Engine. Will Not Block Small Passages In The Cooling System. Keep Dike In Your Vehicle Emergency Kit For On-The-Spot Repairs Or As a Preventative Measure For Vehicles Operating Under Severe Conditions. Add One Pint To Every Four Gallons Of Coolant Or Water.. WHAT'S INCLUDED 1 Pint of Dike Radiator Stop Leak.

Engine Oil Stop Leak Engine stop smoke restore seals and gaskets

Effective and safe formula. Stops engine oil leaks and seals gaskets gap. Prevents oil burning and excessive exhaust smoke. Works with all Gasoline, LPG Diesel engines. Improves engine oil viscosity properties. Improves compression and engine performance. Decrease engine noises. Reduce oil consumption.

FORTIVO Head Gasket Tester Kit Over 100 Tests, Complete Combustion Leak Test System with Universal Radiator Adapter, Works on Cars, Trucks, SUVs and Leak Detection Fluid 8oz

Test Over 100 Times - This combustion leak tester kit includes a durable adapter with nozzle and an 8oz bottle of premium coolant tester fluid, providing more than 100 reliable tests. Perfect for identifying blown head gaskets, cracked cylinder heads, or engine damage, making it an essential tool for both professionals and DIY enthusiasts.. Effortless and Precise Leak Detection - Our coolant leak detection kit simplifies the process of spotting combustion leaks. Just add 2ml of head gasket test fluid, connect the cylinder leak down tester kit, and start your engine. The coolant tester fluid changes from blue to yellow within seconds once leak is detected, giving you quick and reliable results. Perfect for efficient detection of combustion gases and early signs of engine trouble.. All-in-One for Reliable Testing -This all-in-one head gasket leak tester kit includes a universal adapter 2752 mm that fits most radiators in cars, trucks, motorcycles, and heavy-duty equipment. Designed for accurate and consistent results, this coolant tester is the ideal solution for detecting combustion leaks across a wide range of vehicles.. Engine-Safe Formulation - The blown head gasket test kit is carefully engineered to protect sensitive vehicle components during use. When paired with your coolant tester combustion leak system, it helps safeguard radiator ports and prevents potential damage. This head gasket kit delivers accurate results while keeping your engine safe.. Professional-Grade from a Trusted Brand - Backed by a reputation for vehicle-safe solutions, this head gasket test kit delivers consistent, reliable results. Whether used as a combustion leak detector or exhaust leak detector, its designed for precision, ease of use, and long-term dependability, trusted by both professionals and DIYers..

J-B Weld 2120 Radiator Repair Kit

RADIATORWELD Our radiator and plastic tank repair kit has all you need for making professional quality, permanent repairs with state of the art components and easy to follow instructions.. COUNT ON US For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects.. SIMPLE TO USE No removal of tank or radiator is required to stop leaks. Easily fix holes up to 38 diam. or cracks up to 4 long. Includes epoxy putty, fiberglass cloth, sandpaper, and applicator.. VERSATILE DEPENDABLE Great for radiators, washer fluid tanks, storage tanks, water tanks, plastics, composites, PVC and more. Professionals, mechanics and avid DIYers know J-B gets the job done.. NO PROJECT TOO BIG OR TOO SMALL We have all the products you need to get the job done right. JB Weld always delivers the legendary performance of the World's Strongest Bond..

JIFETOR Radiator Coolant Pressure Tester Vacuum Refill Tool Kit, 28PCS Automotive Cooling System Leak Test and Pneumatic Purge Fill Set with Testing Adapter Caps Universal for Airlift Car Auto Truck

Multifunction and Wide Usage JIFETOR all in one comprehensive coolant pressure tester fill kit includes radiator leak detection, coolant temperature measurement and coolant filling functions. This set includes coolant vacuum refill tool, cooling system leak tester and a lot of adapters which widely compatible with GM, BMW, VW, GMC, Porsche, Chevy, Dodge, JEEP, Chrysler and many other models cars trucks airlift. Adapters Cooling system pressure tester and coolant bleeder kit is equipped with 17 specific adapters and 1 universal tapered rubber adapter, suits for almost all types of radiator openings on classic and modern vehicles. Included 3 radiator cap test adapters and 2 connectors help to diagnose the leakage of radiator caps on most cars. All these adapters are color coded and placed exclusively, can be easily selected according to the marked pictures in instruction, convenient and no confusion. Cooling System Vacuum Fill Tool Plastic covered premium brass manifold body, equipped with brass fittings, anti-corrosion and durable. The index range of gauge is -30 to 0 inHg -76 to 0 cmHg, and normally -25 to -20 inHg is right time to add coolant. 18 rubber resin material weave reinforced hose, featured with anti-corrosion, low fluid resistance, high bearing pressure, ensure durability and good air sealing. 21 metal hook, 23 transparent bleeder hose and 60 refill hose are included. Vacuum Type Coolant Filling Function Pneumatic vacuum coolant filler first sucks and forms a vacuum on the cooling system by using shop air, then draws coolant into the cooling system.Need a vacuuming tool and not included in the kit Add coolant in vacuum, there is no large air pocket and avoid warping or other damage in engine. Normally, it takes 5-10mins to refill the coolant, the exact time depends on the size of the tank. Easy to operate and save time. Coolant Leak Test Radiator pressure tester pressurize on the reservoir or reservoir cap, and watch for pointer drop over time to confirm system leak down. Radiator coolant pressure test tool uses aluminum pump cylinder rather than plastic one, 21 rubber nylon resin hoses, brass fittings, solid and durable. 3 large dial gauge with index range 0 to 35 psi 0 to 2.5 bar, easy to observe. Thermometer and Other Accessories Stainless steel thermometer with index range 32 to 400 Fahrenheit. American air plug is pre-installed in the coolant filling tool and a spare European style air plug is also packed in the package for you to choose. Included detailed instruction will help you to quickly understand and use this set of tools. Customized blow molding case keeps everything in place and protects the gauges during storage.

LIQUI MOLY Oil Additive Cera Tec 3721 Ceramic Wear & Tear Protection for Petrol & Diesel Engines Smoother Engine Performance, Less Friction & Lower Fuel Consumption 300 ml

Mixable with all commercially available motor oils. Stable even under high thermal and dynamic permanent loads. No deposits and absolutely compatible with all commonly used filter systems. Resists extremely high and low temperatures.

Liqui Moly Radiator Cleaner | 300 ml | Cooler additive | SKU: 2051

Single Quantity. No Core Charge Req.. Weight 0.8lbs.

Lucas Oil 10011 Power Steering Stop Leak - 1 Quart

Formulated with a blend of special oils and petroleum-extracted additives. Solvent-free formula. Excellent preventative maintenance for new power steering units. Renews and conditions worn seals. Compatible with all power steering fluids. Available in 12 oz. and 1 quart bottle sizes.

Lucas Oil 10278 Engine Oil Stop Leak - 1 Quart

Product Type Auto Oil. Package Dimensions 8.89 L X 10.16 W X 30.48 H Centimeters. Package Weight 0.953 Kilograms. Country Of Origin United States.

Lucas Oil 11100 Engine Oil Stop Leak - Top Off Additive - 1 Quart

Long lasting. Conditions seals and o-rings to stop oil leaks. Contains state-of-the-art components to reduce friction and wear and extend engine life. Effective seal swell agents are used to condition hard and shrunken seals and gaskets. 1 quart treats up to 6 quart capacity.

PEAK Titanium 50/50 Prediluted Antifreeze and Coolant for All Engine Cooling Systems, Long-Lasting Yellow Engine Coolant/Antifreeze for Lifetime Engine Protection in All Vehicles, 1 Gal.

1-GAL. EXTENDED LIFE PREDILUTED ANTIFREEZECOOLANT Engineered to support any vehicle's engine cooling system to enhance performance and optimize protection for years to come. 15 YEARS500,000 MILES GUARANTEED Provides year-round protection and cooling for your engine system for over 15 years or 500,000 miles of service guaranteed when proper cooling system maintenance is followed. PROPRIETARY CHEMISTRY Designed to clean component surfaces while also protecting against the formation of heat-insulating lms or coatings that impair heat-transfer and are major contributors of lost coolant ow and overheating. 5050 PREDILUTED FORMULA Already prediluted and compatible with all coolant colors and technologies to make cooling system top offs easy to perform. ULTIMATE PROTECTION Earned a perfect 10 score in industry standard water pump protection testing ASTM D2809 and meets the performance requirements of ASTM D6210, D3306 and D4985. This product contains an embittering agent called Denatonium Benzoate..

Permatex 30301 Radiator Repair - Stop Leak, 16 fl oz, Protecting Against Coolant Loss, Stopping Leaks and Seepage from Head Gaskets

Reliable and Cost Effective Designed to Provide Automotive Users with a Reliable and Cost-Effective Solution for Fixing Leaks in Your Cars Radiator System Without Clogging Radiator Cores.. Premium Formula This Advanced Formula Protects Against Coolant Loss By Stopping Most Leaks from the Radiator, Heater Core and Engine Block Core Expansion Plugs As Well As Seepage from Head Gaskets.. Easy-To-Use Easy to Use and Does Not Require Any Special Tools or Equipment, Making it An Quick and Easy Option to Fix Radiator Leaks On Your Own.. Peace of Mind With Permatex Radiator - Stop Leak, You Can Drive With The Peace of Mind Knowing That Your Engine is Protected, and Your Car is Running Smoothly..

Prestone AS105 Total Cooling System Cleaner for Radiator, Heater Core, and Hoses, 22 oz., 1 pack

2-in-1 formula designed for light flushing and heavy-duty cleaning. Cleans cooling systems to help prevent overheating. Non-toxic, non-acidic formula is easy-to-use and safe for all cooling system metals. Effectively removes heavy deposits by drawing metal oxides into the solution. Strong enough to help restore maximum cooling system efficiency.

Rectorseal 45302 Freeze Leak Repair, 0.5 oz, Red

APPLICATION AC Leak Freeze is the ideal product for AC unit repair and refrigeration repair AC Leak Freeze will stop leaks of refrigerant gas in HVACR air conditioning and refrigeration systems in homes and commercial buildings. EASY TO APPLY Single use, disposable AC leak freeze syring ready to use and safe for HVAC systems OEM approved and easy to apply. STOP LEAKS PERMANENTLY AC leak freeze will stop leaks of refrigerant gas in HVACR air conditioning and refrigeration systems in homes and commercial buildings AC leak freeze revitalizes AC and refrigeration systems by permanently sealing small, hard-to-find micro leaks. SPECIFICATIONS 1.5 oz leak freeze cartridge polymer free, non-flammable and non-toxic OEM approved and safe for HVAC systems. FOR THE TRADESMAN RectorSeal is recognized as a leading provider of quality solutions for the professional trades serving heating, ventilation, and air conditioning HVACR, plumbing, electrical, and construction markets.

Red Angel Automotive A/C Refrigerant Stop Leak with Attached Cupler| Permanent Non-Clogging Leak Repair | 4.5 oz.

Guaranteed Permanent Seal. Will Not Clog or Damage the AC System or Recovery Unit. GUARANTEED PERMANENT SEAL. Now with UV Dye for leak detection.

RED TEK LeakStop12 A/C Seal Treatment (4 oz. can)

Operation Easy to use. Installs in minutes. Seals in seconds.. Lower Cost Less expensive than replacing leaking o-ring and rubber seals. Saves time and money.. Compatibility Compatible with most common refrigeration materials and lubricants including R134a, R12, metal components, mineral and syntheticEster and PAG lubricants, seals, gaskets, hoses, compressors, and o-rings.. Environment Helps environment by reducing refrigerant emissions.. Safety Safe and easy to use. Less toxic than other seal treatments that contain poisonous methanol.. IMPORTANT INFORMATION This product cannot be returned because it uses flammable liquids and gases, is classified as a hazardous material, or meets other criteria. This is a non refundable, non returnable product..

Royal Purple 01600 Purple Ice Super-Coolant Radiator Additive - 12 oz.

OPTIMIZES PROTECTION. Prevents erosion and electrolysis. Compatible with all coolants types. Contains lubricants to protect the water pump. Fit type Vehicle Specific.

SMART JERRY - Coolant Bleeder Kit, Radiator Burping Funnel, No-Spill Coolant Funnel Kit, Radiator Flush Kit, Universal Radiator Funnels (2026 Upgrade: Added 2 Caps for Broader Compatibility)

2026 UPGRADE Added 2 new vehicle-specific threaded caps Ford VWAudi for expanded fitment compatibility, with 0 price increase. SMART JERRY radiator coolant funnel features translucent body with clear scale, holds up to 77 oz 2.3L coolant, allows precise control of the coolant to be added, eliminates trapped air pockets which causes erratic cooling system and heater perfoemance. This coolant air bleeder funnel comes with 5 adaptors and 6 caps, works on almost any domestic or imported vehciles and comes with 2 pcs straight extension tubes 2 pcs 45 elbows allow access to caps located under shrouds or in fender wells. SMART JERRY special designed radiator flush funnel kit with adaptor equipped with rubber gasket ensures no spill and no lekage during changing radiator coolant, flushing systems, vacuum filling, or replacing hoses, keeps vehicle cooling system and other engine parts clean. Unlike other coolant refill kit comes with a separate fluid stopper, SMART JERRY radiator burping kit designed with a shut-off valve on the funnel which coltrol the flow velocity of the coolant in a easier way, ensures coolant changingrefilling job more easy and convenient. burping funnel for radiator, cooling system flush kit, coolant flush kit, radiator bleeder kit, antifreeze flush kit, coolant funnel burping kit, spill free funnel, radiator burp funnel, radiator bleeder. radiator funnel burping kit, no spill coolant funnel kit, oil funnel, oil funnel for oil change, oil funnel kit, kit de embudo para refrigerante, kit de limpieza de radiador, embudo de refrigerante, kit de eructo para embudo de refrigerante. kit de limpieza de refrigerante, kit de purga de refrigerante, embudo del radiador, kit de purga de radiador, kit de embudo sin derrames para sistema de refrigeracin, kit de embudo para refrigerante sin derrames, kit de embudo para llenar radiadores.

Speedway Motors Conklin Dike Radiator Stop Leak Sealant Coolant Additive 001339 for Radiator Head Gasket and Cracked Block Leak Repair Compatible with Green and Orange Antifreeze

Fast Acting Leak Sealant Quickly seals small leaks in radiators, head gaskets, and cracked blocks to help prevent coolant loss and overheating in automotive cooling systems. Coolant System Compatibility Works with standard and extended-life antifreezes including green and orange formulas, making it suitable for a wide range of vehicles. Safe for Aluminum Systems Designed for modern cooling systems including aluminum radiators and high-performance engines without damaging internal components. Emergency Repair or Preventative Use Ideal for roadside repairs, racing support, heavy trucks, daily drivers, and water-cooled equipment as a temporary repair or preventative treatment. Easy Mix and Application Concentrated formula mixes with water or coolant and is added directly to the radiator seals leaks quickly without blocking narrow coolant passages.

Visbella Radiator Stop Leak Sealer Conditioner Radiator Repair Kit Car Heater Core, Freeze Plugs, Cooling System & Radiator Repair (Tube, pcs, 1)

Engineered by automobile and chemistry experts, this Radiator Stop Leak Sealer ensures your car's cooling system runs smoothly. Safe for all metals, plastics, rubbers, aluminum, hoses and connections, it's the guardian your radiator needs. Compatible with all antifreeze types, this Leak Sealer Conditioner not only stops leaks but prevents rust and lubricates the water pump. Our Radiator Sealant offers an affordable solution to prevent and repair cooling system damage, saving you time and money. One step formula -pour directly into radiator- permanently repairs coolant loss problems on cars, bus, trucks, vans, SUVs and RVs.

Wynns Radiator Stop Leak 325ml

Enhanced protection against rust and corrosion.. Is formulated to avoid clogging of radiator waterways and temperature sensors.. Is compatible with all antifreezes and coolants, also with OAT coolants.. Will not harm rubber hoses, gaskets or other system components.. Stops and prevents leakages in the radiator, cooling and heating system..

XADO ATOMEX Stop Leak Radiator Coolant Additive - Repair Seal, Restore Radiator Fluid Fix and Prevent Future Leaks (Bottle, 250 ml)

Affordable Fix Our affordable fix eliminates the need for costly radiator repairs. Stop leaks and keep your car's engine running smoothly with our radiator sealant additive.. Versatile Compatibility Versatile compatibility for gasoline and diesel engines in automobiles and other equipment. Our additive stops leaks, seals radiators, and ensures smooth engine performance.. Parts Safe Ensure parts safety. Our additive is compatible with gaskets, rubber hoses, aluminum, plastic, and steel radiators. Stop leaks and safeguard your cooling system with confidence.. Lasting Protection Long-term protection for your cooling system. Our radiator coolant additive prevents rust and corrosion, ensuring your engine runs smoothly. Perfect for stopping leaks and sealing your car's system.. Peak Performance This best sealant stops leaks in radiators, coolant, and antifreeze systems, ensuring a permanent fix. Ideal for emergency repairs..

Prestone AS145 Stop Leak Repair for Radiators, Heater Cores, and Hoses, 11 oz., 1 Pack

Patented formula quickly stops leaks in radiators, water pumps, and heater cores. Boosts corrosion inhibitors to protect against pitting and corrosion, which cause radiator leaks. Combination of natural and synthetic components provides the ability to seal leaks up to 0.020 x 0.5. Seals even large leaks without interfering with the flow through the radiator or heater core. Stops the leak as well as the corrosive condition that causes it.

Bar's Leaks PLT11 Pelletized HD Radiator Stop Leak - 11 oz.

Seals leaks. Conditions cooling system. Inhibits rust and corrosion. Lubricates water pump seals. Helps control electrolysis.

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