For 4-stroke PWC applications. Replaces BRP 4-Tec 420956741, Yamaha SeaDoo 6M6-813E00-00.

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.

Miscellaneous Sierra cooling system parts for Yamaha outboard engines.

Sierra fuel line assemblies meet or exceed both USCG safety regulations and EPA evaporative emissions requirements. Assemblies consist of engine connector, low-perm primer bulb and tank connectors. Designed to be used in connection with 18-8078 large bore 13mm tank adapter. 2-stroke DT model complete with 13mm tank adapter to replace small (11mm) and large (13mm) bore fuel line assemblies. 4-stroke DF model designed with 13mm quick-disconnect tank connector and a prong engine connector to replace most 15 to 140HP assemblies. Hi visibility display packaging.

Sierra fuel line assemblies meet or exceed both USCG safety regulations and EPA evaporative emissions requirements. Assemblies consist of engine connector, low-perm primer bulb and tank connectors. Designed to be used in connection with 18-8078 large bore 13mm tank adapter. 2-stroke DT model complete with 13mm tank adapter to replace small (11mm) and large (13mm) bore fuel line assemblies. 4-stroke DF model designed with 13mm quick-disconnect tank connector and a prong engine connector to replace most 15 to 140HP assemblies. Hi visibility display packaging.

Sierra carburetor kits and replacement parts Mercury outboards.

Sierra carburetor kits and replacement parts Mercury outboards.

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 carburetor kits and replacement parts Mercury outboards.

Sierra carburetor kits and replacement parts for Johnson/Evinrude/BRP outboards.

Separates water and foreign particles from fuel. 10 Micron filter element with high pleat count. Rugged constrution for harsh marine environment. Compatible with E10 gasoline. For use on 175-300HP V6 and V8 4-stroke outboard engines. Will not filter 2-cycle oil.

Sierra fuel water separators remove over 98.8% of emulsified water from gasoline. Sierra's 10 micron filters are over 90% efficient at removing particles as small as 10 micron. All filters flow at 90 GPH. 10 micron filters are recommended to prevent damage to inboard and outboard fuel injection systems. Kits include two brass pipe plugs. Display packaged.

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.