Sierra piston rings replace Mercruiser 39-17464; OMC 328506, 914555, 985083, 986336, 3853268, 3853960; Volvo 3853268, 3853960 and GM 14089025.

Sierra Marine Engine Parts & Drive Parts   Sierra Marine is a trusted name in aftermarket replacement boat engine and drive parts. Sierra’s products are designed and engineered to exceed the high horsepower demands of today’s engines in the harshest marine environments. All Sierra products meet or exceed the original equipment part it replaces.   If you need help finding a part, we need, Make, Model, Year, Horsepower, and Serial number of your engine.   Warning: We can no longer ship engine parts International or to California Due to Prop 65.

Sierra piston kits for Mercury and Mariner outboard engines. Kit includes Piston, rings, wrist pin and circlips.

Sierra replacement piston rings for Mercury and Mariner outboard engines.

Sierra lower unit seal kit for Johnson, Evinrude and BRP outboard engines and OMC/Cobra sterndrive engines.

Sierra replacement engine couplers for Mercruiser engines.

Sierra fuel fittings for Honda.

Sierra fuel fittings for Honda.

Sierra fuel fittings for Yamaha.

Sierra fuel fittings for Yamaha.

Sierra fuel fittings for Yamaha.

Sierra fuel fittings for Suzuki.

Sierra Nissan & Tohatsu fuel fittings.

Sierra replacement piston rings for Johnson, Evinrude and BRP V4, V6, V8 and Sea Drive outboard engines.

Sierra replacement piston rings for OMC 60° Eagle Series outboard engines.