Quick view Add to Cart Sierra 18-4218 Drain Tap Replaces 22-16951Q1 $12.99 $9.99 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. Fits Mercruiser cylinder blocks & exhaust manifolds Material: Brass Size: 1/4"... Add to Cart
Quick view Add to Cart Sierra 18-4456 Exhaust Protector Valve Replaces 34765A2 $38.99 $26.99 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 resistant EPDM with U/V... Add to Cart
Quick view Add to Cart Sierra 18-5961 Freeze Plug $6.49 $4.99 Sierra 18-5961 Freeze Plug Sierra high-quality freeze plug constructed of Bronze. Size: 1-5/8" Superseded to 18-5961-9 Add to Cart
Quick view Out of stock Sierra 18-2949 Exhaust Manifold Gasket Replaces 856034 $15.49 $10.99 Sierra 18-2949 Exhaust Manifold Gasket Sierra replacement engine parts are designed to meet OEM specifications. Fits MCM/MIE GM V-8 (283, 305, 350 & 377 cid) engines. S/S from 18-0872 Interchangeable with: Barr CHV-47-000 MC 47 27... Add to Cart
Quick view Add to Cart Sierra 18-1998-1 Exhaust Manifold $403.99 $282.99 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, 260 and 289 CID Engines Commander, Mercury, OMC,... Add to Cart
Quick view Add to Cart Sierra 18-1997-1 Exhaust Manifold $381.49 $266.99 Universal Exhaust Manifold with Mounting Package by Sierra For Port & Starboard Sides. Universal Center Riser Manifold. Fits: Chriscraft 283, 302, 307, and 350 CID Engines. Crusader 283 and 327 CID Engines thru 1964; 305, 307 and 350 CID Engines... Add to Cart
Quick view Add to Cart Sierra 18-0604 Exhaust Manifold Gasket Set $37.99 $26.99 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 18-0603 Exhaust Manifold Gasket Set $40.49 $28.49 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 Engines. Use with 18-1998-1 Manifold Set... Add to Cart
Quick view Add to Cart Sierra 18-4458 Exhaust Protector Valve Replaces 700-834800A5 $72.49 $50.99 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. Compounded rubber flapper valves prevent water from... Add to Cart
Quick view Add to Cart Sierra 18-4457 Exhaust Protector Valve Replaces 12644A1 $36.99 $25.99 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 system. This valve is made with weather-resistant EPDM... Add to Cart
Quick view Out of stock Sierra 18-1907 Riser $261.49 $182.99 Sierra 18-1907 Riser for Ford Small Block V-8 Sierra Cast Iron Riser for Ford Small Block V-8 302-351 cu. in. Use with: 18-1997-1: Manifold 18-1998-1: Manifold 18-4364: Exhaust Elbow Mounting Package (Open) 18-8535: Exhaust Elbow Mounting Kit... Add to Cart
Quick view Add to Cart Sierra 18-4364 Exhaust Elbow Mounting Package $18.99 $13.49 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 Elbow Mounting Package Includes: (1) 18-2854-1... Add to Cart
Quick view Out of stock Sierra 18-2854-1 Exhaust Manifold Elbow Gasket $7.49 $5.99 Sierra 18-2854-1 Exhaust Manifold Elbow Gasket Sierra replacement engine parts are manufactured to meet or exceed OEM requirements. Interchangeable with: Barr 01-0107 GLM 36830 Mallory 9-65501 Osco 992-G s/s... Add to Cart
Quick view Add to Cart Sierra 18-5962 Freeze Plug $20.49 $13.99 Sierra 18-5962 Freeze Plug Sierra high-quality bronze freeze plug. Size: 1-3/4" Add to Cart
Quick view Out of stock Sierra 18-1898 Manifold $431.99 $302.49 Sierra 18-1898 Exhaust Manifold for 454 GM big block V8 For use with Chris-Craft inboard, Chrysler Inboard, Crusader Inboard, Universal Inboard Cooling Systems, Mercruiser I/O, Volvo Penta, & OMC Sterndrive/Cobra Engines. Material: Cast... Add to Cart
Quick view Out of stock Sierra 18-1939 Riser $274.49 $191.99 Sierra 18-1939 Riser Sierra replacement engine parts are designed to meet OEM specifications. Use with 3-1/2" I.D. exhaust hose. Material: Cast iron Ford Small Block V8 302-351 cu. in. GM Small Block V8 305-350 cu. in. GM Big Block V8 454 cu... Add to Cart
Quick view Add to Cart Sierra 18-8535 Exhaust Manifold Elbow Mounting Kit $16.99 $11.99 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 V8 454 cu. in. GM Small Block V8 305-350 cu. in... Add to Cart
Quick view Add to Cart Sierra 18-1949 Manifold Spacer $183.99 $108.49 Sierra 18-1949 Manifold Spacer Sierra high-quality engine parts are designed to meet OEM specifications. Size: 3" For Ford small block V8 302-351 cu. in. For GM Big Block V8 454 cu. in. For GM Small Block 305-350 cu. in. Use... Add to Cart
Quick view Add to Cart Sierra 18-8538 Exhaust Manifold Mounting Kit $30.99 $21.99 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 18-1907 Riser Kit Includes: (1) 18-0183-1... Add to Cart
Quick view Out of stock Sierra 18-0470 Exhaust Elbow Gasket $12.49 $8.99 Exhaust Elbow Gasket - Special Order est. 10 Days Add to Cart
