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.

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

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  

Sierra replacement engine couplers for Mercruiser engines.

Sierra electric fuel pumps Mercruiser and OMC engines.

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

Temperature sending unit, 1/8" - 27 NPT threads. 240°.

Complete coverage on everything from basic maintenance to complete engine or drive overhaul. Featuring simple-to-follow, step-by-step, illustrated procedures, hundreds of exploded views, photographs, tables, wiring diagrams, specifications, and user friendly indexes. Newer manuals contain a skill level rating system for each procedure as well as special tool icons.