Sierra replacement thermostats for Mercury outboards.

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 hoses for cooling systems.

Channel Style Stay Adjuster - 6-7/8" (174mm) Long Applications: Typically used on dinghies, catamarans and small keelboats Materials: Grade 316 Stainless Steel Specifications: Pin Ø: 1/4" Increment Length: 1/2" Qty. Adjustment Settings: 10mm Adjust. Length: 4-1/2" Length: 6-7/8" Weight: 3.2oz

FINISH THOMPSON A101991-3 MOTOR ADAPTER 5.5,6,7,8,10

Goulds Pump 2L989 Impeller 6 7/8"

Sierra fuel pumps and replacement parts for Johnson/Evinrude/BRP outboards.

Sierra fuel pumps and replacement parts for Johnson/Evinrude/BRP outboards.

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

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

Sierra lower unit seal kits for Mercury outboard engines.

Miscellaneous Sierra cooling system parts for Mercury and Mariner outboard and Mercruiser engines.

Sierra fuel pumps for Yamaha outboards.

Sierra fuel fittings for Honda.

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