Description
300 hour EFI outboard service kit is for 40 hp 50 hp and 60 hp Mercury 4-stroke, 4-cylinder EFI outboard motors with BigFoot or CommandThrust (CT) gearcases only.
Kit Includes:
Oil FilterFuel Filter, Low Pressure
Fuel Filter, High Pressure
Thermostat
Thermostat Gaskets
Spark Plugs x (4)
Water Pump Impeller Kit
Power Trim Anode
Lower Unit Anode
Gear Case Drain Seals
Oil Drain Seals
Warranty Information
Mercury Marine & Quicksilver products carry a 1 year factory warranty against defects and workmanship. Serialized items such as engines, drives, and transom assemblies must be installed by a dealer for warranty to be valid.
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Specs
MPN:
|
8M0090559
|
Engine: |
40-60 HP EFI 4 Cly. FourStroke |
Interval: |
300 Hours |
Reviews
We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.9
Out of 5.0

Overall Rating
98%
of customers that buyfrom this merchant give
them a 4 or 5-Star rating.
April 9, 2025 by Simon J. (United States)
“Prices seem great”
April 9, 2025 by John E. (United States)
“Excellent”
April 9, 2025 by David K. (United States)
“Hi. Happy so far. This impeller kit is for a 1990 mercruiser alpha1 gen 1 correct ? My drive sereal number is OD 357823. Please cancel order if i ordered the wrong kit. Or send me the correct kit. Thanks. Dave.”