COVID-19 UPDATE: We are open for business
Walk-ins are not allowed at this time. Orders may be placed online and picked up at our warehouse.
We are shipping orders as normal however many of our incoming shipments are late.
In addition UPS has suspended service guarantees and delays are common and beyond our control! We are sorry to say there are no refunds for late shipments at this time.
Thank you for your patience and stay healthy!
Browse here for genuine OEM Mercury Marine inboard and sterndrive engine service interval kits to keep your Mercruiser engine in tip top shape, quickly and easily.
These affordable kits make it easy to have everything all together for a quick service so you can get back on the water fast!
No more wasting time searching endlessly for all of the parts...they're all in one box.
100 and 300 hour kits are available for 2.5L - 8.2L engines. Refer to our chart below to look up the part number for your engine.
Please read product descriptions for serial number breaks, etc. to ensure you receive the correct kit.
You can always contact us with your Mercruiser engine serial number if you are unsure.
|100 HOUR KIT||300 HOUR KIT|
|Oil Filter||Oil Filter|
|Fuel Filter||Fuel Filter|
|Gearcase Drain Plug Seals||Gearcase Drain Plug Seals|
|Thermostat & Gasket/Seal|
|PCV Valve (where applicable)|
|IAC Filter (where applicable)|
|Seawater Pump Impeller Kit (Bravo applications)|
Most kits are in stock for immediate shipment. Order online for discounted pricing.
Click on part number below for more information or to order.
|Mercruiser Engine 100 Hour Service Maintenance Kits Part Numbers|
|8M0147048||2.5L & 3.0L Carb|
|8M0147050||4.3L Carb w/o remote oil (1993 and newer)|
|8M0147051||All GM V6 & V8 with spin on fuel filter, except V6 w/o remote oil (1977 and newer)|
|8M0147052||4.5L & 6.2L (Mercury) 2014 and newer|
|8M0147053||All GM V8 MPI w/Gen III cool fuel (2002 and newer)|
|Mercruiser Engine 300 Hour Service Maintenance Kits Part Numbers|
|8M0147061||3.0L Carb RWC (2000 and newer)|
|8M0147062||3.0L MPI RWC (2008 and newer)|
|8M0147063||4.3L Carb Alpha RWC w/o remote oil (1996 and newer)|
|8M0147064||4.3L MPI Alpha RWC (2002 and newer)|
|8M0147065||4.3L MPI Bravo RWC (2002 and newer)|
|8M0147066||4.5L MPI Alpha RWC (2014 and newer)|
|8M0147067||4.5L MPI Bravo RWC (2014 and newer)|
|8M0147068||5.0L/5.7L MPI Alpha RWC (2002 and newer)|
|8M0147069||5.0L/5.7L/6.2L MPI Bravo RWC (GM)(2002 and newer)|
|8M0147070||6.2L MPI RWC (Mercury) (2015 and newer)|
|8M0147071||8.2L MPI (2010 and newer)|
|RWC = Sea water/standard cooling|
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