The 4.3L MPI (2002 & newer) SERV KIT-100 HRS is a comprehensive maintenance kit designed specifically for Mercury MerCruiser 4.3L Multi-Port Injection (MPI) engines manufactured from 2002 onward. This 100-hour service kit contains all the genuine Mercury parts necessary to keep your engine running efficiently and reliably between scheduled maintenance intervals.
Performing timely maintenance with the kit helps ensure the proper functioning of your engine’s cooling, fuel, and ignition systems. The kit includes critical components such as the seawater pump impeller, fuel and oil filters, spark plugs, gaskets, seals, and o-rings, all engineered to meet Mercury’s exact factory specifications. This guarantees optimal fit, durability, and performance in marine conditions.
The seawater pump impeller is vital to the engine’s cooling system, providing steady water flow to prevent overheating. Regular replacement of the impeller during the 100-hour service interval is essential to avoid overheating and costly engine damage. The fuel and oil filters help maintain clean fuel delivery and lubrication, protecting critical engine components from contaminants and wear.
Spark plugs included in the kit restore reliable ignition, promoting smooth engine starts, improved combustion, and better fuel efficiency. Gaskets and seals prevent leaks and water intrusion, safeguarding internal engine parts from corrosion and ensuring system integrity.
By using the service kit , boat owners and marine technicians can simplify their maintenance routine with all necessary parts in one convenient package. This kit removes guesswork and helps maintain the engine’s factory performance and warranty compliance.
Regular 100-hour maintenance with this genuine Mercury kit helps extend engine life, reduce unexpected breakdowns, and keep your vessel running smoothly and efficiently. Protect your investment and enjoy peace of mind on the water with the trusted 4.3L MPI (2002 & newer) SERV KIT-100 HRS.
Marine Town Hatch Pull - Stainless Steel
ALPHA ONE GEN 2 BELLOWS ASSY (816431A1) - Mercury
FILTER-FUEL QS (866594Q01) - Mercury
BEARING KIT-GIMBL (879194A01) - Mercury
Marine Town Cabinet Knob
Mercury/Quicksilver Gen 3 V8 Cool Fuel Module Filter Disk (8M0204703) - Mercury
Marine Town Cubic Magnetic Holder Set
MOVE Telwater Boat Trailer 4.1-4.5m (TA1098S13SB)
Marine Town Folding Support Bracket - Stainless Steel
Marine Town Telescopic Boarding Ladder - Stainless Steel
55 EVO Top Cap & O Ring Kit
Door Catch - Stainless Steel
Cross Bollards - Cast Alloy
Lever Catch
NGK BPZ8HS-15@10 (14814568) - Mercury
Flush Pull Catch
FILTER-OIL (877761Q01) - Mercury
4.5L MPI Alpha RWC (2014 and newer) SERV KIT-300 HRS (8M0147066) 







