REVIEWS
Daqian World Commodity Store Automotive Replacement Transmission Modulators 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 Automotive Replacement Transmission Modulators
of September 2026
1

Best Choice
TEKKOAUTO
TEKKOAUTO Modulator Valve Assembly Replacement for Electronic Control Unit Assembly 12V 2S1M 4005001010 599-7001
2

Best Value
Autopartsfreer
Autopartsfreer Electronic Modulator 29508036 29508036D - Fits Allison AT545/MT640/MT643 | Thomas/Blue Bird/IC Bus School Buses, Freightliner Conventional Chassis, GMC Topkick, Chevy Kodiak
3
CT Solutions
C4 TRANSMISSION VACUUM MODULATOR Push in Green Stripe Adjustable
4
ACDelco
ACDelco Gold TF289 Automatic Transmission Fluid Filter Kit
5
CT Solutions
C4 C6 TRANSMISSION VACUUM MODULATOR Screw in White Stripe
6
CT Solutions
C4 TRANSMISSION VACUUM MODULATOR Push in YELLOW Stripe Adjustable
7
CT Solutions
Black Red Stripe VACUUM MODULATOR TH350 TH400 Transmission
8
GOOACC
GOOACC GRC-30 120PCS Car Retainer 6.3mm 8mm 9mm 10mm Expansion Screws Replacement Kit Bumper Push Rivet Clips, 1PC Fastener Remover
9
ACDelco
ACDelco Gold 89057804 Automatic Transmission Modulator Valve
10
GM GENUINE PARTS
GM Genuine Parts 24279973 Transmission Control Module
11
ATP Automotive
ATP FX-194 Automatic Transmission Modulator Valve
12
ATP Automotive
ATP Automotive JX-66 Automatic Transmission Modulator Valve
13
ATP
ATP FX-102 Automatic Transmission Modulator Valve
14
HMKJHL
Yazyu Transmission Vacuum Modulator Assembly for Pontiac,for Olds,for GMC,for Chevy,for Cadillac,for Buick YZY0998
15
hangyux
hangyux 350 TH400 Transmission Vacuum Modulator Adjustable Yellow Replacement Parts
16
NEWBAILUN
Wairau Transmission Vacuum Modulator Assembly for Pontiac for Olds for GMC for Chevy for Cadillac for Buick SL2319
17
NEWBAILUN
Wajir Transmission Vacuum Modulator Assembly for Pontiac for Olds for GMC for Chevy for Cadillac for Buick WJR0044
18
HMKJHL
Yazyu Transmission Vacuum Modulator Assembly for Pontiac for Olds for GMC for Chevy for Cadillac for Buick YZY2272
19
Hayden Automotive
Hayden Automotive 678 Rapid-Cool Plate and Fin Transmission Cooler
20
JEGS
JEGS Transmission Vacuum Modulator | For GM/Chevy 1963-1990 TH-350 and TH-400 Transmissions | Adjustable
21
ATP Automotive
ATP Automotive JX-67 Automatic Transmission Modulator Valve
22
ATP
ATP CX-26 Automatic Transmission Modulator Valve
23
Pioneer
PIONEER 747001 Transmission Modulator
24
Phoenix Transmission Parts
TURBO 400 TH400 TH350 TH250 RED STRIPE ADJUSTABLE MODULATOR 1965 UP for GM
Click here to learn more about these products.
TEKKOAUTO Modulator Valve Assembly Replacement for Electronic Control Unit Assembly 12V 2S1M 4005001010 599-7001
Replacement Part Number 4005001010, TTPTDAS4005001010G, 4005001010X, 22801004, 10008469, ABS4005001010, ABS400-500-101-0, 400-500-101-0, WAB4005001010, WAB400-500-101-0, S4005001010, S400-500-101-0, GTAS4005001010, GTAS400-500-101-0, ABS5344, ABSR955344, 1ABS00119, 43AVS402, 5344, ABS00119, GEN2-1010, 599-7001. Used on trailers produced after March 1,2001 Recommended for use with standard trailers Do not use with turntables, steerables or dollies. Max operating pressure 13 bar IP 66 protection class Temperature range of -40C to 65C. Port 1 2x 314-14 Dry Seal NPTF Port 2 4x 38-18 Dry Seal NPTF Port 3 Flap exhaust Port 4 38-18 Dry Seal NPTF. Control Port Diameter 38-18 in. Delivery Port Diameter 38-18 in. Freight Class 70 Supply Port Diameter 34-14 in. Voltage 12V.
Autopartsfreer Electronic Modulator 29508036 29508036D - Fits Allison AT545/MT640/MT643 | Thomas/Blue Bird/IC Bus School Buses, Freightliner Conventional Chassis, GMC Topkick, Chevy Kodiak
Fits Allison AT545MT640MT643 transmissions OE Part Numbers 29508036 29508036D perfectly matched for modern school buses Thomas, Blue Bird, IC Bus, Wayne Lifeguard, AmTran and those built on Freightliner Conventional chassis. Also seamlessly adapts to GMC Topkick, Chevy Kodiak, and numerous rear-wheel-drive trucks equipped with applicable Allison ATMT series automatic transmissions.. Performance AdvantagesModern Allison transmissions use this type of electronic actuator modulator, replacing old vacuum-style ones. For Allison transmissions with shifting issues, this new modulator also works for testing and repair. Plus, its proprietary solenoid tech cuts shift lag by 40 vs. aftermarket alternatives, delivering butter-smooth gear shiftsgreatly reducing driver fatigue on long hauls and protecting sensitive cargo from jolts.. Durable ReliableBuilt to Last Under Heavy Use Made from high-grade materials and rigorously tested, this modulator withstands extreme conditions, ensuring long-lasting durability for demanding applications.. EASY TO INSTALL The Electronic Modulator is easy to install, even for non-professionals, reducing both repair time and costs. Specifically designed for school buses and trucks, it promotes effortless installation.. RISK-FREE PURCHASE ASSURANCEOur commitment is to present you with an carefree shopping journey. In the event that you find any of our electronic modulator less than satisfactory, you can contact us within 90 days. Our electronic modulator comes with an extended one-year warranty. During this one-year period, should any manufacturing defects occur, our professional and dedicated service team will be at your service promptly..
C4 TRANSMISSION VACUUM MODULATOR Push in Green Stripe Adjustable
ACDelco Gold TF289 Automatic Transmission Fluid Filter Kit
Felt filter media helps deliver high-filtration efficiency and excellent fluid flow. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. Premium aftermarket replacement part. Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models.
C4 C6 TRANSMISSION VACUUM MODULATOR Screw in White Stripe
CT0409 - A new vacuum modulator for C4 and C6 Transmissions 1964-1972. Adjustable, screw in, white stripe, SAD single area diaphragm. Gasket included. Note These modulators now have words printed on them instead of actual stripes. Application. C-4 Transmission 1964-1972,. C-6 Transmission 1966-1972.
C4 TRANSMISSION VACUUM MODULATOR Push in YELLOW Stripe Adjustable
CT4391 - A new single yellow stripe vacuum modulator for C4 and C5 Transmissions 1973-1983. Adjustable, push in, yellow stripe. A yellow stripe modulator is commonly found on larger vehicles and trucks.. Please note these no longer have actual stripes on the modulator but it is a yellow stripe modulator..
Black Red Stripe VACUUM MODULATOR TH350 TH400 Transmission
CT5015 - A new vacuum modulator for TH350 and TH400 Transmissions, 1965 up. Push in type, black red stripe, adjustable. This low vac modulator will give you an earlier and smoother shift from first to second, and second to third. It will stop irritating late shift issues in the TH350 and TH400. Includes vacuum tube and very important oring. Application. TH350 1969-1986. TH400 1965-1998. Please note these modulators now have words printed on them instead of the actual stripes..
GOOACC GRC-30 120PCS Car Retainer 6.3mm 8mm 9mm 10mm Expansion Screws Replacement Kit Bumper Push Rivet Clips, 1PC Fastener Remover
4 Hole sizes from 6.3Mm14, 8mm516 , 9mm2364 , 10mm2564 .. 6 different Push pin rivet for many brand vehicles.. Great material - these bumper clips are made of high-quality Black nylon Material, anti-wear and anti-corrosion, would not break or crack easily during use.. Widely application - these Push clips are widely used for trim panel clips, door trim clips, door Panel clips, bumper clips, fender clips, engine cover and splash shield retainers replacement. It always covers some applications include telecom equipment, motor vehicles, domestic appliances, furniture and electrical equipment.. PACKAGE INCLUDED120PCS 6.3mm 8mm 9mm 10mm Bumper Push Rivet Clips,1PC Fastener Remover.
ACDelco Gold 89057804 Automatic Transmission Modulator Valve
Professional, premium aftermarket replacement. Provides the performance and dependability you expect from ACDelco. Manufactured to meet expectations for fit, form, and function.
GM Genuine Parts 24279973 Transmission Control Module
This part requires programming andor special setup procedures. GM Service Information or equivalent describes the procedures and special tools needed to ensure proper operation in the vehicle.. Dictates the operation of your vehicles vital systems, which is critical to the performance of your vehicle. GM-recommended replacement part for your GM vehicles original factory component. Offering the quality, reliability, and durability of GM OE. Manufactured to GM OE specification for fit, form, and function. Fit type Vehicle Specific.
ATP FX-194 Automatic Transmission Modulator Valve
Product type AUTO PART. Package dimensions 9.398 cm L x5.842 cm W x5.588 cm H. country of origin China. package weight 0.24lbs.
ATP Automotive JX-66 Automatic Transmission Modulator Valve
Product Type Auto Part. Package Dimensions 9.144Cm L X5.842Cm W X5.588Cm H. Country Of Origin China. Package Weight 0.3Lbs. Fit type Vehicle Specific.
ATP FX-102 Automatic Transmission Modulator Valve
Product type AUTO PART. Package dimensions 9.144 cm L x6.096 cm W x5.842 cm H. country of origin China. Manufactured to meet or exceed original equipment specs.
Yazyu Transmission Vacuum Modulator Assembly for Pontiac,for Olds,for GMC,for Chevy,for Cadillac,for Buick YZY0998
Fitmentfor Buick for Electra 1976,for LeSabre 1975,for Regal 1980-1981,for Riviera 1967 1971,for Wildcat 1970,for Cadillac for Brougham 1987-1990 --for vehilce, please check Top Fitment Filter. Part Number20234. ClassificationAuto Trans Vacuum Modulator. NotesDescription--Transmission Vacuum Modulator. Feature1 Allows You to Tailor Shift Points.
hangyux 350 TH400 Transmission Vacuum Modulator Adjustable Yellow Replacement Parts
Features an adjustable mechanism allowing precise tuning of shift points to match your vehicle's performance needs.. Engineered as a direct replacement vacuum modulator for a wide range of automatic transmission applications.. Regulates transmission fluid pressure by engine vacuum, ensuring smooth and consistent gear shifts.. Built with quality materials to withstand the demands of regular use and maintain reliable transmission performance.. Designed as a drop-in replacement part, making it straightforward to swap out your worn or faulty modulator..
Wairau Transmission Vacuum Modulator Assembly for Pontiac for Olds for GMC for Chevy for Cadillac for Buick SL2319
Fitment for Buick for Electra 1976,for LeSabre 1975,for Regal 1980-1981,for Riviera 1967 1971,for Wildcat 1970,for Cadillac for Brougham 1987-1990 --for vehilce, please check Fitment Filter. Part Number 20234. Classification Auto Trans Vacuum Modulator. Notes Description--Transmission Vacuum Modulator. Feature1 Allows You to Tailor Shift Points.
Wajir Transmission Vacuum Modulator Assembly for Pontiac for Olds for GMC for Chevy for Cadillac for Buick WJR0044
Fitment for Buick for Electra 1976,for LeSabre 1975,for Regal 1980-1981,for Riviera 1967 1971,for Wildcat 1970,for Cadillac for Brougham 1987-1990 --for vehilce, please check Fitment Filter. Part Number 20234. Classification Auto Trans Vacuum Modulator. Notes Description--Transmission Vacuum Modulator. Feature1 Allows You to Tailor Shift Points.
Yazyu Transmission Vacuum Modulator Assembly for Pontiac for Olds for GMC for Chevy for Cadillac for Buick YZY2272
Fitment for Buick for Electra 1976,for LeSabre 1975,for Regal 1980-1981,for Riviera 1967 1971,for Wildcat 1970,for Cadillac for Brougham 1987-1990 --for vehilce, please check Fitment Filter. Part Number 20234. Classification Auto Trans Vacuum Modulator. Notes Description--Transmission Vacuum Modulator. Feature1 Allows You to Tailor Shift Points.
Hayden Automotive 678 Rapid-Cool Plate and Fin Transmission Cooler
Size is 34 inch x 11 inch x 9-12 inch. Pick-up trucks and vans, class C motor homes , travel trailers to 24 feet. GVWR up to 24,000 pounds, towing up to 5,000 pounds. Patented internal turbulation increases heat transfer with minimal pressure drop. Pre-drilled mounting brackets for easy installation.
JEGS Transmission Vacuum Modulator | For GM/Chevy 1963-1990 TH-350 and TH-400 Transmissions | Adjustable
FITS GM and Chevrolet TH-350 and TH-400 transmissions with OE style connections. ADJUSTABLE to provide the option to change the shift points. INCLUDES valve, o-ring, and short 90-degree hose. EASY INSTALLATION for peace of mind. MUST HAVE ITEM for transmission rebuild and upgrade.
ATP Automotive JX-67 Automatic Transmission Modulator Valve
Product type HARDWARE HANDLE. Package dimensions 9.398 cm L x5.842 cm W x5.842 cm H. country of origin China. package weight 0.28lbs. Fit type Vehicle Specific.
ATP CX-26 Automatic Transmission Modulator Valve
package dimensions 9.4 cm L x 6.0 cm W x 5.8 cm H. Product type AUTO_PART. country of origin China. package weight 0.3lbs.
PIONEER 747001 Transmission Modulator
Package Dimensions 6.54 L x2.96 H x4.56 W inches. Package Weight 1.27 pounds. Country of Origin United States. Part Number 747001.
TURBO 400 TH400 TH350 TH250 RED STRIPE ADJUSTABLE MODULATOR 1965 UP for GM