REPLACEMENT IGNITION TUNE-UP KIT - The ignition tune-up kit include distributor cap and rotor and spark plug wires set. Like most marine parts, ignition tune-up kit are wear items that means they tend to slowly degrade over time, and it should be expected that they will have to be replaced from time to time. This Kits designed for efficiency and durability in a marine engine and You will find that replacing them will make your engine work more smoothly.. PREMIUM QUALITY - This cap is constructed from PBT and PET plastics for increased strength, stiffness. The solid brass contacts help settle wear related failures and provides excellent conductivity. The spark plug Wire composed of high di-electric insulator and heavy glass braid wrapped heavy duty silicone jackets and high performance black boots for superior dielectric strength and excellent cable tensile strength that will surely withstand extremely high temperatures for a long time.. REPLACES PART - Distributor Cap and Rotor 811635Q2, 811635Q1, 811635T2, 18-5280, 986643, 986651, Mallory 9-29320, GLM 71830 Spark Plug Wires Set 816761Q14, 84-816761Q14. This is replacement for 3.0L 4cyl MerCruiser Engines made by General Motors with Delco EST ignition systems, 1990 and newer. Please check part numbers to ensure proper fit when you purchase.. DIRECT FIT - Direct replacement for a proper fit and easy installation, quality materials used, meets or exceeds OEM standards, While this is not a genuine MERCURY part, it is a direct replacement and it will fit and work exactly like the factory part.. 12-MONTH WARRANTY - Order from Tutor Auto, we offer 12 month warranty, true hassle-free shopping experience. If for any reason at all, you are not fully satisfied with this Cap and rotor kit, you can rely on our service of free REPLACEMENT or REFUND..

Spark plug wire set for Mercruiser or Volvo Penta 5.0, 5.7, 350 MAG, 377, 383, 6.2 fuel injected engines using the flat cap distributor with terminal on the sides. Compatible with Part Numbers Mercruiser 84-863656A1, Volvo Penta 3888328.

Tune-up kit designed for marine engines using Thunderbolt ignition systems. Fits Mercruiser V8 5.0L, 5.7L, 7.4L, and 8.2L engines.. Select the correct engine type V6 or V8 and spark plug specification MR43T or MR43LTS to ensure proper fit.. Includes distributor cap, rotor, 8MM spark plug wires, and 8 MR43T spark plugs for marine use.. Spark plug wires replaces 84-816608Q61, 84816761K17, 84-816761Q17. Distributor cap and rotor replaces 805759Q3, 805759T3, 805759T1, 13524T1, 27-805760, 805759Q-3, 805759A5, 805759A2, 16457A4, 13524T1, 13524A5, 13524A1..

New 'MADE IN USA' ignition wire set with coil wire for Mercruiser and Volvo Penta 3.0 engines with Delco EST distributor. Replaces 84-816761Q14, 3888324. Fits all Mercruiser and Volvo Penta 3.0 engines, 1990 and newer. 8mm wires. MADE IN USA.

New spark plug wire set, distributor cap and rotor kit for Mercruiser and Volvo Penta 5.0, 5.7, 6.2 V8 fuel injected engines with the flat top distributor cap. Quality 8mm wires, includes coil wire. Note spark plug wires have straight ends and will replace 90 degree ends.. Cap has quality brass terminals. Includes 8 iridium spark plugs, equivelent to and compatible with AC Delco 41-993 for 1997 and newer engines.

New distributor cap rotor spark plug wires and six AC Delco MR43LTS spark plugs compatible with Mercruiser V6 engines with Thunderbolt ignition 1997 and newer. Fits 4.3 L V6 engines with Thunderbolt ignition system. Check MR43LTS are the correct spark plugs for your engine before ordering. 8mm plug wires Distributor cap is J1171 certified and has quality copper contacts. Includes new bolts gasket and drain for cap. Dialectic grease included for wires. Compatible with Mercruiser ft s 84-816761Q16 815407Q5 fit_type Vehicle Specific.

This ignition wire cable kit fits for MerCruiser and Vol-vo Penta V8 5.0L 5.7L GM-MPI Sterndrive Engines. The spark plug wire is made of durable stainless steel conductors and silicone material, which enables it to maximize engine performance and provide ultimate high-temperature protection. Replaces Vol-vo 3888328, 3859000, for MerCruiser 816608Q61, 816608A61, 816761A15, 816761A2, 813720A2, 43376A2, 42841A5, 43376A1, 43376A14, 816608Q83, Mallory 9-28001, 9-28002 and Sierra 18-8804. Package contains 2 spark plug wires 89cm35 inch, 2spark plug wires 76cm29.9 inch, 2spark plug wires 67cm26.4 inch, 2spark plug wires 53.5cm21.1 inch, 1 spark plug wire 35cm13.8 inch. Please confirm whether it matches before placing an order, if you have any questions, it would be a pleasure for us to help you.

This ignition wire cable kit fits for MerCruiser 120 140 2.5L 3.0L GM Sterndrive Engines. The spark plug wire is made of durable stainless steel conductors and silicone material, which enables it to maximize engine performance and provide ultimate high-temperature protection. Replaces for MerCruiser 816761A5, 816761Q5, 813720A5, 816761K5, CDI 631-0007, Mallory 9-28020 and for OMC 503748. Package contains 1 spark plug wire 45.5cm17.9 inch, 1 spark plug wire 36cm14.2 inch, 2 spark plug wires 30.7cm12.1 inch, 1 spark plug wire 29.5cm11.6 inch. Please confirm whether it matches before placing an order, if you have any questions, it would be a pleasure for us to help you.

Tune up kit for Volvo Penta and Mercruiser 3.0 engines, 1991 and up. Quality Made in USA 8mm wires, includes coil wire. Brass terminal marine grade distributor cap.. Kit includes four NGK BPR6EFS sparks plugs, distributor cap, rotor and wires. Dielectric grease included. Replaces 811635Q2 816761Q14.

Replacement Outboard Spark Plugs for LFR4A-E 6499 33-898829001 33-8M0157328. Compatible withIridium Spark Plugs Compatible With Mercury Mariner 4-Stroke Outboard Engines 75 80 90 100 115 FourStroke, 1.7L 100 FourStroke BEL 0P401000 and up. Package included 4 x Outboard Spark Plugs. Excellent Material Made of excellent material, stable, durable and long service life. Easy to install, plug and play. Note Please check the model of the replacement parts and the applicable machine type before purchasing to ensure correct installation. If you have any questions, please leave us a message.

Complete set of spark plug wires with boots at spark plug end. Tailored to reach correct plug location. Designed for efficiency, endurance and durability in a marine engine environment.

Complete set of spark plug wires with boots at spark plug end. Tailored to reach correct plug location. Designed for efficiency, endurance and durability in a marine engine environment.

Complete set of spark plug wires with boots at spark plug end. Tailored to reach the correct plug location. Designed for efficiency, endurance and durability in a marine engine environment.

Complete set of 8 red wires with boots at spark plug end. Tailored to reach the correct plug location. Designed for efficiency, endurance and durability in a marine engine environment.

Spark plug wires set for Mercruiser V8 engines with Thunderbolt ignition systems.. Fits 5.0, 5.7, 7.4, 8.2 with Thunderbolt ignitions. Compatible with 816608q61 84-816761Q4, 84-816761A4, 84-816761T4, 84-81676A4.

New ignitition coil distributor cap rotor spark plug wires and six AC Delco MR43LTS spark plugs for Mercruiser V6 engines with Thunderbolt ignition 1997 and newer. Fits 4.3 L V6 engines with Thunderbolt ignition system. Check MR43LTS are the correct spark plugs for your engine before ordering. 8mm plug wires Distributor cap is J1171 certified and has quality copper contacts. Includes new bolts gasket and drain for cap. Dialectic grease included for wires. Replaces Mercruiser ft s 84-816761Q16 815407Q5 fit_type Vehicle Specific.

Vehicle Fitment Compatible with MerCruiser LX --- It comes with Delco Est Ignition, 3.0L. Reference Number 440X, 811635Q2, 84816761Q14, 84-816761Q14, 93056. Ultra High Strength Silicone boots, fiberglass braid and copper core for added strength and superior conductivity. Directly Fit Automotive OE Replacement Spark Plug Wire, Easy installation Materials for a long lifespan. Buy with Confidence A-Premium offers a 1-Y unlimited-mileage guarantee on our meticulously crafted high performance spark plug wires set. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.

Replacement Part Directly replaces part number 84-816608Q61, ensuring proper fit and functionality. Compatibility Replacement for small block 5.0-5.7L and big block 7.4L engines equipped with Thunderbolt ignition, excluding the 454 high-performance engine. Material Quality Constructed from reliable stainless steel materials, with testing conducted prior to shipping to ensure consistent performance. Technical Specifications Features 8mm wires with a stainless steel core, providing effective electrical connectivity and performance. Easy Installation The ignition tune up kit is designed for straightforward replacement, allowing for quick installation without modifications.

Made by AC Delco with nickel alloy tip, copper core and ribbed suppressor seal for durability and performance. Check your engine owners manual for the correct spark plug and use only the plug as recommended by your engines original equipment manufacturer. Nickel-chrome alloy sheathing on the ground and center electrodes help resist wear from spark erosion and the corrosive environment of the combustion chamber. Dont just clean used spark plugs, replace them with new plugs for better performance. Replace all the engine plugs at the same time.

COMPLETE IGNITION SYSTEM RESTORATION This all-in-one professional tune-up kit includes a premium distributor cap, rotor, contact points, condenser, marine-grade spark plug wires, and a .020 metal spacer. It is the most efficient way to eliminate misfires, improve cold starts, and restore peak combustion performance.. SUPERIOR ELECTRICAL CONDUCTIVITY The distributor cap features heavy-duty brass terminals rather than aluminum to resist the corrosion and pitting common in saltwater and humid environments. Paired with high-dielectric spark plug wires, this kit ensures maximum voltage delivery for a hotter, more consistent spark.. 4-CYLINDER ENGINE FITMENT Engineered for 19631989 MerCruiser and OMC 4-cylinder engines utilizing Delco conventional points ignition. Fits 2.5L 120hp, 3.0L 140hp, and 3.7L 165hp190hp 470 series engines, ensuring a factory-perfect fit and finish.. OEM CROSS-REFERENCE Directly replaces MercuryMerCruiser cap and wire part numbers 393-9459Q1, 393-9459T, 33667, 84-816761Q5, 84-813720A5 and 84-816761A5, as well as OMC 380541, 0393587, and 503748. Includes all necessary components to replace original ignition sets.. AFTERMARKET INTERCHANGE This kit serves as a high-performance alternative to Sierra Marine Sierra Marine 18-5385 and GLM 71540,. PROVEN RELIABILITY SINCE 2012 Reliable Part Systems RPS is a U.S. based company specializing in critical parts for marine, auto, and industrial sectors. With a track record of excellence dating back to 2012, we focus on precision engineering and consistent quality. When performance matters, trust the system built on reliability - choose RPS..

Made by AC Delco with nickel alloy tip, copper core and ribbed suppressor seal for durability and performance. Check your engine owners manual for the correct spark plug and use only the plug as recommended by your engines original equipment manufacturer. Dont just clean used spark plugs, replace them with new plugs for better performance. Replace all the engine plugs at the same time. Fit type Vehicle Specific.

Replace Part Number 18-28080. Fitment For Sierra Marine Mercruiser vehicles. Timely Replacement Engine spark plug wire damage will lead to engine misfire, the phenomenon of engine shaking, timely replacement of damaged spark plug wire can extend the life of the engine and reduce fuel waste..

Copper core supports efficient heat transfer and consistent spark. Nickel alloy electrode designed for durability and stable performance. Pre-gapped for easy and precise installation. Supports smooth idle and reliable cold-start performance in marine engines.

Iridium is the latest in spark plug technology and is an exact replacement for vehicles' original components. Iridium composition provides a high melting point and great strength, helps to provide excellent wear resistance and durability. Iridium offers excellent engine idle stability, reliable cold starting, quick acceleration and smooth performance. Three Piece Fired in Suppressor seal meters spark energy for long electrode life, helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials and technologies.

Part Number 816761Q14. Compatible with MerCruiser 4cyl Engines 3.0L and LX with Delco EST Ignition Systems 1990 - 2016. Compatible with Volvo Penta 3.0 GL, GS with Delco EST Ignition Systems. Package Included 1 x 816761Q14 Spark Plug Wire Kit. It Is a Replacement Part Not Original Part But It Can Work Good For You.

FITS Fits for Mercruiser for Mercury engines. REPLACES For Sierra 18-4226, 18 4226, 184226, for GLM 13992, for Malloy 9-41203, 9 41203, 941203, for Mercruiser 22-806608A1, 22 806608A1, 22806608A1, 22-806608A02, 22 806608A02, 22806608A02. CONTENT 5 pack for Mercury for Mercruiser closed cooling drain plug 5 O-ring. FUNCTION Drain plug kit used to drain your engine block and manifold.

Complete set of 8 red wires with boots at spark plug end. Tailored to reach correct plug location. Designed for efficiency, endurance and durability in a marine engine environment.

Complete set of spark plug wires with boots at spark plug end. Tailored to reach correct plug location. Designed for efficiency, endurance and durability in a marine engine environment.

Complete set of spark plug wires with boots at spark plug end. Tailored to reach correct plug location. Designed for efficiency, endurance and durability in a marine engine environment.

WORKS WITH - For Mercruiser V8 Thunderbolt, Delco EST system.. REPLACES - Mercruiser 84-816608Q61. FITS ENGINE - For all small block 5.0-5.7L and big block 7.4L engines with Thunderbolt ignition except for the 454 Hi Performance. QUALITY ASSURED - Direct replacement for a proper fit and easy installation, quality materials used, 100 tested before shipping.. TECH SPECS - 8mm premium quality wires with stainless steel core..

Pack of 4 Spark Plugs. Genuine NGK Spark Plugs. Copper core. Corrugated ribs. Triple-Gasket sealing process.

Compatible Models Fit for Mercruiser marine V8 engines 5.0L305, 5.7L350, 7.4L454, 8.2L502 with Thunderbolt IV and V HEI ignition systems. Replace OEM number 816761Q17, 84-816761Q17, 84-816608Q61, 805759Q3. Before purchasing, verify the engine model, serial number, and ignition system version. There are differences between Thunderbolt IV 1993-2003 and V 1996-2001 to prevent mismatches.. Function Featuring a dense, high-temperature insulation jacket, our spark plug wires have outstanding resistance to heat, oil and abrasion. It can transmit high voltage current with sufficient energy to improve engine performance. Premium Materials Crafted from high-quality materials, these spark plug wires offer stable resistance and exceptional conductivity, helping to improve the efficiency of the engine. All our spark plug wires meet or exceed original equipment OE specifications, offering high performance and durability. Buy with Confidence We offer a 1-Year product service and replacement promise. If you have any problems about this product, please feel free to reach out to us and we will reply you within 24 hours.

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.. Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer. Research applications prior to purchase to make sure this part fits your vehicle including engine, trim level quantity needed. This Listing is for 8 Spark Plugs.

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.. Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer. NGK is the world's largest supplier of OEM spark plugs. Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.. This Listing is for 4 Spark Plugs.

Complete set of spark plug wires with boots at spark plug end. Tailored to reach correct plug location. Designed for efficiency, endurance and durability in a marine engine environment.

NGK Fine Wire Tipped Center Electrode Laser Iridium Spark Plugs deliver slow wear rate, stable idle, improved fuel efficiency and lower emissions. Check your engine owners manual for the correct spark plug and use only the plug as recommended by your engines original equipment manufacturer. NGK Trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal. Longer service life with a copper core and ribbed suppressor seal for durability and performance. Replace all the engine plugs at the same time.

Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity.. Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer. NGK is the world's largest supplier of OEM spark plugs. Research Applications Prior to Purchase To Make Sure This OEM Part Fits Your Vehicle, Including Engine, Drivetrain and Quantity Needed.. This Listing is for 8 3951 TR55 Spark Plugs.

Kevlar core for maximum durability and long life AND Durable stainless steel wound conductor for maximum horsepower and engine performance. Premium silicone jacketing and boots for ultimate high temperature protection AND Superior RFI suppression for the most sensitive electronic system. Corrosion resistant stainless steel spark plug and distributor terminals for maximum conductivity. Replaces Mercruiser Stern Drive 84-813720A11, 84-816761Q16 and OMC 503751. For Ignition Type EST Electronic, Number of Cylinders 6. All Sierra parts qualify for and are covered under Sierra's Industry Leading Customer Satisfaction Warranty. Before Ordering, Please Verify this is the Correct Part for your Application. For Assistance, Please Call Sierra's Tech Support at 1-877-663-8396.

Trusted Brands You Know Includes spark plugs from industry-leading names like For Champion, For NGK, ACDelco, For Boschquality you can count on.. Consistent Ignition Engine Start Engineered for reliable cold starts and smooth combustion across a wide range of engines and conditions.. Improves Fuel Efficiency Helps optimize fuel-air mixture ignition for better mileage, reduced emissions, and smoother performance.. Built to Last Manufactured using high-grade materials to withstand heat, vibration, and long-term engine operation.. Versatile Applications Suitable for marine engines, lawn mowers, ATVs, motorcycles, and power equipmentideal for maintenance or upgrades..

Trusted Brands You Know Includes spark plugs from industry-leading names like For Champion, For NGK, ACDelco, For Boschquality you can count on.. Consistent Ignition Engine Start Engineered for reliable cold starts and smooth combustion across a wide range of engines and conditions.. Improves Fuel Efficiency Helps optimize fuel-air mixture ignition for better mileage, reduced emissions, and smoother performance.. Built to Last Manufactured using high-grade materials to withstand heat, vibration, and long-term engine operation.. Versatile Applications Suitable for marine engines, lawn mowers, ATVs, motorcycles, and power equipmentideal for maintenance or upgrades..

New spark plug wire set, distributor cap and rotor kit for Mercruiser and Volvo Penta 5.0, 5.7, 6.2 V8 fuel injected engines with the flat top distributor cap. Quality 8mm wires, includes coil wire and dielectric grease. Note spark plug wires have straight ends and will replace 90 degree ends.. Cap has quality brass terminals.

New distributor cap, rotor, and spark plug wires for Mercruiser V6 engines with Thunderbolt ignition.. Fits4.3 L V6 engines with Thunderbolt ignition system.. 8mm plug wires replace 18-8810-1, 9-28016, 84-816761Q16, 84-816761K16. Distributor cap is has quality brasscopper contacts. Includes new bolts, gasket, and drain for cap.. cap replaces Mercruiser 's , 815407Q5, 815407A2, 18-5274.

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life. Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system. Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance. Some ACDelco GM Original Equipment parts may have formerly appeared as ACDelco Professional.

Iridium offers excellent engine idle stability and smooth performance. Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration. Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form. One piece suppressor seal helps block radio frequencies that can affect vehicle electronics. Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials and technologies.

One-piece, fired-in suppressor seal blends three glass types for a gas-tight seal that helps reduce radio frequency and engine interference, regulate spark plug energy, and protect against compression pressures for long life. Double platinum point pad on center and ground electrode offer excellent durability and consistent voltage demands to help reduce wear on ignition system. Pure copper core results in cooler electrode temperature for maximized durability and fouling resistance. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors. GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. GM regularly updates production and service part designs to integrate new materials and technologies.

This ignition wire cable kit fits for MerCruiser 5.0L 5.7L 6.2L Sterndrive and Inboard Engines. The spark plug wire is made of durable stainless steel conductors and silicone material, which enables it to maximize engine performance and provide ultimate high-temperature protection. Replaces for MerCruiser 84-863656A1, CDI 631-0011, Indmar 751104, 756004, Mallory 9-28009 and Sierra 18-8828. Package contains 2 spark plug wires 92cm36 inch, 2 spark plug wires 76cm29.9 inch, 2 spark plug wires 65cm25.6 inch, 2 spark plug wires 53.5cm21.1 inch, 1 spark plug wire 48.5cm19.1 inch. Please confirm whether it matches before placing an order, if you have any questions, it would be a pleasure for us to help you.

High-Efficiency Ignition Iridium spark plugs reduce ignition energy consumption, resulting in a more concentrated and stable ignition process and improved ignition stability. They enhance ignition energy, are more reliable in cold starts and dampcold environments, and are easier to start, leading to smoother outboard motor operation. Superior Quality Made of high-quality iridium, iridium spark plugs possess excellent high-temperature resistance and wear resistance, maintaining stable ignition even under high load conditions and extending service life. Anti-Carbon Deposits Design Iridium spark plugs effectively delay carbon buildup, reducing misfires and unstable idling, improving combustion efficiency. Compatibility and Adaptation Fit for Mercury Mariner 4-Stroke Outboard 75HP 80HP 90HP 100HP 115HP. Replace Part Number LFR4A-E 6499 33-898829001 33-8M0157328. Easy Installation Direct installation with precise specification matching no modifications or additional tools are required, saving time.

Designed to operate over a much wider heat range than ordinary plugs. Resists carbon buildup and pre-ignition. Patented triple gasket sealing process eliminates the possibility of combustion gas leakage. NGK spark plugs are an OE cornerstone that have provided decades of reliable performance.

Genuine NGK replacement part.. New, Bulk Packed.. Genuine OEM NGK Replacement Part.. Consult owners manual for proper part number identification and proper installation.. Please refer to list for compatibility..

Tune up kit compatible with MERCRUISER 3.0L, 1990 and newer. Includes 4 BPR6EFS spark plugs, caprotor, spark plug wires, and oil filter.. Tune up kit compatible with MERCRUISER 3.0L, 1990 and newer.

Set of 8 Iridium spark plugs compatible with 41-993 spark plugs. Fits 1997 and newer GM 5.0, 5.7, 6.2 engines. Compatible with Crusader PCM RP030010, Mercruiser 33-8M2018369, Volvo Penta 21467472 3858996. Fits Mercruiser 5.0 MPI, 350 MAG, Black Scorpion 1997 and newer. Fits Volvo Penta 5.0, 5.7 GXI, OSI, GI, 1997 and newer.

New distributor cap, rotor, and spark plug wires for Mercruiser V8 engines with Thunderbolt ignition.. Fits 5.0, 5.7, 7.4, 8.2 engines with Thunderbolt ignition system.. 8mm plug wires. Distributor cap is J1171 certified and has quality brasscopper contacts. Includes new bolts, gasket, and drain for cap. Dialectic grease included for wires.. Replaces Mercruiser 's 805759Q3 84-816608Q61.

NGK BPR6EFS Standard plugs are pre-gapped to your engine manufacturers specifications. Check your engine owners manual for the correct spark plug and use only the plug as recommended by your engines original equipment manufacturer. NGK Trivalent metal plating also provides superior anti-corrosion in the marine environment and anti-seizing for easier removal. This NGK standard plug features a copper core to promote heat dissipation and more efficient spark plug operation and a removable terminal. Replace all the engine plugs at the same time.

Cap, rotor and wires for Volvo Penta and Mercruiser 3.0 engines, 1991 and up. Quality 8mm wires, includes coil wire. Quality brass terminal cap. Dielectric grease includes. Replaces 811635Q2 816761Q14.