Quick view Add to Cart Sierra 18-4218 Brass 1/4" Drain Tap $14.69 $12.49 Sierra 18-4218 Drain Tap for MerCruiser, Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications. Used with most OEM Manifolds. Features: Fits MerCruiser cylinder... Add to Cart
Quick view Add to Cart Sierra 18-4456 Exhaust Protector Valve Replaces 34765A2 $44.89 $32.29 Sierra 18-4456 Universal 3" Exhaust Flapper Includes 3" stainless steel clamp. Features: Compounded rubber flapper valves stops water from entering the exhaust system Constructed with weather... Add to Cart
Quick view Add to Cart Sierra 18-1998-1 Universal Center Rise Exhaust Manifold $458.69 $330.29 Sierra 18-1998-1 Exhaust Manifold - Port & Starboard for Ford V8 Engines Fits Port and Starboard Sides. Universal Center Riser Manifold. Fits: Crusader 302 and 351 CID Engines Interceptor 221,... Add to Cart
Quick view Add to Cart Sierra 18-0604 GM 305/350 Exhaust Manifold Gasket Set $44.09 $31.79 Barr Exhaust Manifold Gasket Set by Sierra For GM 305/350 CID Engines and Barr Exhaust Systems. Use with Manifold 18-1997-1. Add to Cart
Quick view Add to Cart Sierra 18-1997-1 Universal Center Riser Exhaust Manifold $443.59 $319.39 Sierra 18-1997-1 Universal Center Riser Exhaust Manifold This Sierra is a universal exhaust manifold for engines with center risers. Constructed from cast iron for maximum durability, this manifold... Add to Cart
Quick view Add to Cart Sierra 18-0603 GLM 302/351 CID Exhaust Manifold Gasket Set $47.09 $33.89 Sierra 18-0603 Exhaust Manifold Gasket Set for Mercruiser, Volvo, OMC Sierra high-quality engine parts are designed to meet OEM specifications. For Ford 302/351 CID Engines and Indmar Inboard V8... Add to Cart
Quick view Add to Cart Sierra 18-4458 Exhaust Protector Valve Replaces 700-834800A5 $86.29 $62.19 Sierra 18-4458 Universal 5" Exhaust Protector Valve Sierra high-quality engine parts are designed to meet OEM specifications. Fits both 5" & 6" Exhaust and includes stainless steel clamp... Add to Cart
Quick view Add to Cart Sierra 18-4457 Exhaust Protector Valve Replaces 12644A1 $44.19 $31.79 Sierra 18-4457 Mercruiser Exhaust Protector Valve - Replaces 12644A1 The Sierra 18-4457 Exhaust protector valve is a compounded rubber flapper valve that prevents water from entering the exhaust... Add to Cart
Quick view Add to Cart Sierra 18-4364 Exhaust Elbow Mounting Package $22.09 $15.89 Sierra 18-4364 Exhaust Elbow Mounting Package - Open Sierra high-quality engine parts are designed to meet OEM specifications. Use with: 18-1907 Riser 18-1939 Riser 18-1999 Elbow 18-1971... Add to Cart
Quick view Add to Cart Sierra 18-8535 Exhaust Manifold Elbow Mounting Kit $19.39 $13.99 Sierra 18-8535 Exhaust Manifold Elbow Mounting Kit Sierra replacement exhaust manifold elbow mounting kit (blocked). Barr, Indmar & Marine Power Ford Small Block V8 302-351 cu. in. GM Big Block... Add to Cart
Quick view Add to Cart Sierra 18-8538 Exhaust Manifold Mounting Kit $37.29 $26.89 Sierra 18-8538 Exhaust Manifold Mounting Kit Ford Small Block V-8 Barr and Indmar Ford Small Block V8 302-351cu.in. Use With: 18-1904 Manifold 18-1998-1 Manifold Add to Cart
Quick view Add to Cart Sierra 18-8536 Exhaust Elbow Mounting Kit $44.89 $32.29 Sierra 18-8536 Exhaust Elbow Mounting Kit Sierra replacement exhaust elbow mounting kit. Fits: Barr, Indmar & Marine Power GM Small Block V8 305-350 cu. in. Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-5962-9 Freeze Plug (Priced Per Pkg Of 8) $181.79 $130.89 Sierra 18-5962-9 Freeze Plug (Priced Per Pkg Of 8) Material: Bronze Size: 1-3/4" Interchangeable with: Mercruiser Stern Drive 19-37478 Add to Cart