300 hour EFI outboard service kit 8M0090559 is for 40 hp, 50 hp and 60 hp Mercury 4-stroke, 4-cylinder EFI outboard motors with BigFoot or CommandThrust (CT) gearcases only (S/N 1C000001 & up). The box includes oil filter, low & high pressure fuel filter, oil drain seal, gear case seals, thermostat and thermostat gaskets, four spark plugs, water impeller kit, power trim anode and lower unit anode. Follow your owner’s manual service schedule to help keep your engine running longer and stronger. Periodic maintenance and service helps protect your investment in your engine and your boating pleasure. Mercury Marine’s passion for performance is matched by your drive for the new, the unknown. Our legendary reliability and durability let you boldly embrace your next adventure—large or small—knowing you’re backed by the best quality design, engineering, and materials.
Complete selection of required 300 hour service replacement items in one box. No need to order separate parts.
Includes oil filter, low & high pressure fuel filter, oil drain seal, gear case seals, thermostat and thermostat gaskets, four spark plugs, water impeller kit, power trim anode and lower unit anode.
Recommended Mercury 4-stroke oil and Mercury Premium Gear Lube (858058K01) are sold separately.
Periodic maintenance is easy to do using common shop tools.
Follow your owner’s manual for recommended service to keep your engine running longer and stronger while protecting your investment in your boating fun.
Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive