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 o-rings for Yamaha outboard engines.

Sierra lower unit seal kit for Yamaha engines.

Sierra head gaskets for Yamaha outboard engines.

Sierra water pump kits for Yamaha outboards. Kit includes housing.

Sierra water pump kits for Yamaha outboard engines.

Sierra water pump kits for Yamaha outboards. Kit includes housing.

Sierra inner cover exhaust gaskets.

Sierra water jacket gaskets.

Sierra replacement plates for cooling systems.

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

Sierra oil seals for Yamaha outboard engines.

Sierra oil seals for Yamaha outboard engines.

Sierra oil seals various outboard and inboard/outdrive engines.

Sierra oil seals various outboard and inboard/outdrive engines.