Sierra exhaust elbows and risers.

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 replacement plates for cooling systems.

Tuthill 3C2EN-V-C-7 Pump 18Gpm 1 1/4 Ports Cast Iron Rotary Gear Pump Pump End Only 17 GPM  C Series Pump Cast Iron Construction Ball Bearing on Shaft Clockwise rotation only (from shaft end view) Inlet Port is 1-1/4 inch NPT Discharge Port is 1-1/4 inch NPT

Sierra replacement rotors.

Sierra pipe plugs used in I/O and Inboard engine cooling systems. Pipe sealant with Teflon® is recommended for use on pipe plugs.

Sierra pipe plugs used in I/O and Inboard engine cooling systems. Pipe sealant with Teflon® is recommended for use on pipe plugs.

Sierra pipe plugs used in I/O and Inboard engine cooling systems. Pipe sealant with Teflon® is recommended for use on pipe plugs.

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

Sierra replacement engine couplers for Mercruiser engines.

Sierra hoses for cooling systems.

Sierra replacement plates for cooling systems.

Sierra replacement plates for cooling systems.

Sierra replacement plates for cooling systems.

Sierra replacement engine couplers for OMC Sterndrive, Cobra and Volvo engines.