Sierra seals inboard and inboard/outdrive engines.

Sierra seals inboard and inboard/outdrive engines.

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 intake/exhaust manifold gaskets inboard, inboard/outdrive and sterndrive engines.

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

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

OMC 479 type cable (1979 & later). Complete drop-in replacement cable for OMC O/B and I/O's. Stainless steel and brass fittings. 6" minimum bend radius. WHILE QUANTITIES LAST.

Sierra o-rings for Johnson, Evinrude and BRP outboards and OMC Sterndrive and Cobra engines.

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

Premium quality motor oil formulated to meet or exceed warranty requirements for 2-cycle outboard engines. Protects engine against heat, friction and rust. Formulated specifically for Mercury Optimax, Yamaha HPDI, BRP Ficht, DI and other high performance injection type engines. Exceeds JASO, ISO, API and NMMA for advanced generation 2 cycle lubricants. Priced each, sold in case quantities only.

Sierra Mercury & Mariner bayonet style fuel fittings.

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.