For use with Sierra quart pumps or lower unit fill tubes.

For use with Sierra quart pumps or lower unit fill tubes.

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 oil seals lower unit, powerhead and power trim applications in Mercury and Mercruiser engines.

Recommended for all general marine applications requiring a GL-5 class lubricant. 80W90. Ideal for replacing all old hypoid 90 applications needs. Formulated for use in freshwater or saltwater conditions and all standard marine applications under 75HP. Reduces friction and protects gears, bearings and other Gearcase components. Lower Unit Kit contains: two(2) 10 oz. tubes of Lower Unit Gear Lube and one(1) Flush & fill tool for small gearcases.

Sierra oil seals for lower unit applications in Johnson, Evinrude, BRP and OMC Sterndrive/Cobra engines.

RAM® Ball Adapter with M10 X 1.25" Threaded Post The RAM-B-349U includes an M10 x 1.25 pitch male thread connected to a 1" rubber ball. The threaded hole must contain the following dimensions for this base to fit: M10 1.25 pitch with a 14.5mm flange diameter with a 10.15mm thread length. Features: Universal threaded hole solution for a variety of use cases Included B size 1" RAM® rubber ball allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability Made of Powder-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments Backed by a lifetime warranty Thread Pitch: M10-1.25x7/16" Ball/Socket Size: B Size (1") Materials: Marine-grade aluminum

BRONZE 1.25 Tapped Inlet

Bosworth 1.25 Tapped Inlet Aluminum  

Bosworth 1.25 Tapped Outlet Bronze  

Bosworth 1.25 Tapped Outlet Aluminum  

March 893-10-1/4" 24V Pump W/ 1286-0002-0100

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.