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 oil seals miscellaneous applications in Mercury and Mercruiser engines.

Sierra oil seals drive shaft housings in Mercury and Mercruiser engines.

Sierra oil seals for upper gearcase applications in Johnson, Evinrude, BRP and OMC Sterndrive/Cobra engines.

Sierra o-rings for various applications on outboard and inboard/outdrive engines.

Sierra shims for OMC Sterndrive/Cobra engines.

Sierra o-rings for various applications on outboard and inboard/outdrive engines.

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

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

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

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

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

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

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

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