Sierra replacement power steering pumps and pulleys for Mercruiser 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.

Water tube guides for Mercury and Mercruiser.

Sierra impellers for Crusader engines.

Sierra impellers for OMC, Cobra, Yamaha and Volvo sterndrives.

Sierra head gaskets Mercruiser and OMC Sterndrive engines.

Sierra serpentine belts water pumps and alternators on Mercruiser inboard/outdrive.

Sierra serpentine belts water pumps and alternators on Mercruiser inboard/outdrive.

High strength, low stretch synthetic cords resist shock load failure and assure uniform performance over the life of the belt. Special rubber compound in compression section assures smooth and even transfer of load forces to the cords. Cogs are molded to precise engineering tolerances to improve flexibility and maintain cord support.

Sierra serpentine belts water pumps and alternators on Mercruiser inboard/outdrive.

Specially designed to meet the unique requirements of modern 4-stroke recreational engines with or without catalyst systems. ZDDP anti-wear additive prevents phosphorus depletion to extend catalyst life and provide excellent anti-wear protection. Sierra Catalyst Compatible Oils provide leading wear protection and deposit control for engine longevity, corrosion protection from infrequent use and environmental contamination, enhanced detergent properties to prevent sludge formation, and reduced ending friction to maintain performance. Priced each, sold in case quantities only.

Specially designed to meet the unique requirements of modern 4-stroke recreational engines with or without catalyst systems. ZDDP anti-wear additive prevents phosphorus depletion to extend catalyst life and provide excellent anti-wear protection. Sierra Catalyst Compatible Oils provide leading wear protection and deposit control for engine longevity, corrosion protection from infrequent use and environmental contamination, enhanced detergent properties to prevent sludge formation, and reduced ending friction to maintain performance. Priced each, sold in case quantities only.

Sierra engine mount bolt kits.

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.