Sierra powerhead base gaskets Mercury and Mariner outboard engines.

Water temperature sending unit, 3/8" - 18 NPT threads. Replaces: Mercruiser 97257A1, 806490T, Mercruiser Vazer 980613, Volvo 3853787.

Sierra gaskets for Mercury outboard water pumps and impellers.

Sierra thermostat kits Mercruiser inboard/outdrive engines.

Sierra water pump gaskets for Mercury and Mariner outboard engines.

Sierra head gaskets for Chrysler/Force outboard engines.

Sierra head gaskets for Mercury and Mariner outboard engines.

Sierra head gaskets for Mercury and Mariner outboard engines.

Sierra head gaskets for Mercury and Mariner outboard engines.

Sierra head gaskets for Mercury and Mariner outboard engines.

Sierra head gaskets for Mercury and Mariner outboard engines.

Sierra thermostat kits Mercruiser inboard/outdrive engines.

Sierra exhaust elbow gaskets.

Fits: 6-15HP 1986-1996, 18-25HP 1980-1987. 10 tooth drive gear.

Provides positive seal with exclusive injection molded 2-1/4" fill neck. High density polyethylene with UV-stabilized resin for guaranteed no-leak construction. Mechanically vented fuel cap with innovative easy-grip ribbed design that floats. Mechanical direct sight gauge with easy to read indicator. Features 90 degree 1/4 NPT fuel withdrawal elbow that rotates 360 degrees, eliminating kinked fuel hose. Designed for use in boats built pre-2011 EPA regulation with traditional kelch cap/site gauge option without barrier technology.