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 blocks & exhaust manifolds Material: Brass Size:... Add to Cart
Quick view Add to Cart Sierra 18-3060 Water Pump Impeller $41.59 $29.99 Sierra 18-3060 Volvo Penta Water Pump Impeller Sierra high-quality engine parts are designed to meet OEM specifications. For Use On Ford Engines. Additional Details: Fins: 12 Material: Neoprene Includes: 18-7480 Quad Ring Interchangeable... 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 resistant EPDM with U/V... Add to Cart
Quick view Add to Cart Sierra 18-3047 Volvo AQ190A/AQ240A Water Pump Impeller $51.19 $36.79 Sierra 18-3047 Volvo Penta Impeller Kit Sierra high-quality engine parts are designed to meet OEM specifications. Fins: 12 For Crusader 305, 350, & 454 CID Kit Includes: (1) 18-3061 Impeller Interchangeable... 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. Compounded rubber flapper valves prevent water from... 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 system. This valve is made with weather-resistant EPDM... Add to Cart
Quick view Add to Cart Sierra 18-3061 Water Pump Impeller Replaces 835874 $74.29 $53.49 Water Pump Impeller for Volvo, PCM, Crusader For Use On GM Engines With V-belts. Replaces: Volvo - 835874 Mallory - 9-45708 GLM - 89611 Pleasure Craft - RP061017 Sherwood - 0615K Oberderfer - 8922 Jabsco - 18948-0001 Pro Marine - 18-3061 Add to Cart
Quick view Add to Cart Sierra 18-0956 Exhaust Manifold Gasket Replaces 27-68715 $26.19 $20.49 Sierra 18-0956-1 Mercruiser, OMC, Volvo Exhaust Manifold Gasket For Ford 460 cid V-8 & 3.7L (4 cyl) Interchangeable with: Chrysler Inboard 118-614 GLM 33800 Mallory 9-61418 Mercruiser Stern Drive 27-68715 OMC Stern... 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 Elbow Mounting Package Includes: (1) 18-2854-1... Add to Cart
Quick view Add to Cart Sierra 18-4461 Hose Barb $15.29 $10.99 3/4" - 14 NPT Straight Hose Barb Replaces: Mercury 22-866725 GLM 13984 Corrosion Resistant Brass Fitting Add to Cart
Quick view Add to Cart Sierra 18-1945 Riser $217.29 $152.09 Sierra 18-1945 Riser Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Barr CM-20-6674 Chrysler Inboard 2846689 Mallory 9-40312 Osco 689 Add to Cart
Quick view Add to Cart Sierra 18-2941-9 End Cap Gasket (Pkg Of 2) $19.29 $13.49 Sierra 18-2941-9 End Cap Gasket (Pkg Of 2) Sierra replacement end cap gasket. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. For: 318 CID Engines Package of 2 Interchangeable with: Barr CM 1... Add to Cart
Quick view Add to Cart Sierra 18-0345 Water Pump Gasket $7.49 $5.89 Sierra 18-0345 Water Pump Gasket Sierra replacement water pump gasket for Mercury Marine, Chrysler/Force/US Marine engines. For Mercury 25-60 HP Outboards 2, 3 cyl & 4-Stroke models Interchangeable with: Chrysler/Force/US... Add to Cart
Quick view Add to Cart Sierra 18-3046 Impeller Kit $61.09 $43.99 Sierra 18-3046 Impeller Kit Sierra high-quality replacement impeller kit for Volvo Penta. Includes 18-3060 Impeller. Diameter Size: 2-7/16" Width: 1-1/4" Interchangeable... Add to Cart
Quick view Add to Cart Sierra 18-4361 Exhaust Elbow Mounting Package $16.99 $12.49 Sierra 18-4361 Exhaust Elbow Mounting Package Sierra exhaust elbow mounting package for raw water cooled manifolds. Contains: 18-2941 manifold end cap (open) gasket 18-4263 Pipe plug 18-4257 Pipe plug Interchangeable... Add to Cart
CLEARANCE Quick view Add to Cart Sierra 18-8506 Exhaust Elbow Mounting Kit $21.79 $14.59 Sierra 18-8506 Exhaust Elbow Mounting Kit Sierra high-quality engine parts are designed to meet OEM specifications. For Chrysler Small Block V8 318-360 cu. in. For all models 1966 & up w/ swivel & fixed exhaust Use With: 18-1913... Add to Cart
Quick view Add to Cart Sierra 18-8527 Exhaust Manifold Mounting Kit $81.79 $58.89 Sierra 18-8527 Exhaust Manifold Mounting Kit Sierra replacement exhaust manifold mounting kit. Kit contains stainless steel bolts and nuts. For Chrysler Small Block V8 318-360 cu. in. For All models 1966 & up w/ swivel & fixed exhaust Use... Add to Cart
Quick view Add to Cart Sierra 18-1942 Manifold End Plate $47.19 $33.99 Manifold End Plate - Special Order est. 10 Days 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 V8 454 cu. in. GM Small Block V8 305-350 cu. in... Add to Cart
Quick view Add to Cart Sierra 18-8526 Exhaust Manifold Mounting Kit $32.69 $23.49 Sierra 18-8526 Exhaust Manifold Mounting Kit Sierra Exhaust Manifold Mounting Kit for Chrysler Small Block V8 318-360 cu. in. Also for all Models 1966 & up with swivel & fixed exhaust. Sierra Marine aftermarket engine parts are manufactured to... Add to Cart