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Sierra 18-0305-1 Exhaust Elbow Gasket - MW

Crusader Exhaust Manifolds
Sierra Exhaust Elbow Gasket Special Order est. 10 Days For use on Crusader/Inboard Use with: Exhaust Manifold: 18-1929 Replaces:  96108 WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-0306 Elbow And Cup Gasket - MW

Crusader Thermostats & Gaskets
Sierra 18-0306 Elbow And Cup Gasket Sierra Elbow and Cup Gasket replaces Crusader part 96216. WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-0309-1 Exhaust Elbow Gasket - MW

Crusader Exhaust Manifolds
Sierra Exhaust Elbow Gasket Special Order est. 10 Days For use with Crusader - Inboard Use with:  Exhaust Elbow:  18-1928                                                   V-6/V-8 Replaces:  96562 WAR... More Details
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Sierra 18-0418 Exhaust Manifold Mounting Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Features: Fits MCM/MIE GM V-8 (454, 482, 496, 502 & 504 CID) engines. Fits Vol... More Details
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Sierra 18-0475-1 Exhaust Elbow Gasket - MW

Crusader Exhaust Manifolds
Sierra Exhaust Elbow Gasket  Special Order est. 10 Days For use with Crusader Inboard engines Used with:  Riser:  sie-18-1938                    Used with:  Manifold:  sie-18-1983 Supersedes 18-0475  ... More Details
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Sierra 18-0601 Exhaust Manifold Gasket Set - MW

Crusader Exhaust Manifolds
Sierra 18-0601 Exhaust Manifold Gasket Set For: "CH" Model Big Block V8 Chevy 454 CID (7.4L) Use with: 18-1929 Manifold or 18-1933 Manifold Set Includes: 18-0418 Exhaust manifold mounting gasket 18-03... More Details
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Sierra 18-1917 Block Off Manifold Plate - MW

Crusader Exhaust Manifolds
Sierra 18-1917 Block Off Manifold Plate Sierra replacement stainless block off manifold plate. Sierra Marine engine parts are manufactured to meet or exceed OEM requirements. Material: Stainless For C... More Details
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Sierra 18-1933 Manifold - MW

Crusader Exhaust Manifolds
Sierra 18-1933 Manifold Sierra high-quality port manifold. Interchangeable with: Barr CR-1-97993 Crusader 97993 97115 Mallory 9-40402 Osco 7993 Use With: 18-0418: Exhaust Manifold Mounting Gasket 18-8... More Details
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Sierra 18-3046 Impeller Kit - MW

Crusader Water Pump Impellers
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 with: Crusader 1003062 GLM 896... More Details
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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 Interchan... More Details
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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 Jab... More Details
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Sierra 18-3649 Thermostat Sierra 18-3649 Thermostat is a replacement part for MerCruiser Stern Drives. All Sierra engine parts are manufactured to meet or exceed OEM requirements. Features: Temperatur... More Details
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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 resistan... More Details
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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 syste... More Details
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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 r... More Details
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Sierra 18-4461 Hose Barb - MW

Crusader Exhaust Manifolds
3/4" - 14 NPT Straight Hose Barb Replaces: Mercury 22-866725 GLM 13984 Corrosion Resistant Brass Fitting WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-8112 Elbow Fitting - 90 Degrees Sierra replacement elbow fitting for Crusader engines. For: Crusader GM Small Block V8 305-350 cu.in. (Models 220, 270, CM305, CM350XL, CM350HT) For: Crusader... More Details
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Sierra 18-8515 Exhaust Manifold Mounting Kit - MW

Crusader Exhaust Manifolds
Sierra 18-8515 Exhaust Manifold Mounting Kit Sierra exhaust manifold mounting kit. Includes 18-0309-1 Exhaust Elbow Gasket. Use with: 18-1918 Elbow 18-1928 Elbow w/ 4" Outlet 18-1934 Elbow w/ 3" Outle... More Details
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Sierra 18-8519 Exhaust Elbow Mounting Kit - MW

Crusader Exhaust Manifolds
Sierra 18-8519 Exhaust Elbow Mounting Kit Sierra replacement exhaust elbow mounting kit. Includes 18-0305-1 Exhaust Elbow Gasket. Crusader GM Small Block V8 305, 350 Crusader GM Big Block V8 454 Use w... More Details
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Sierra 18-8521 Exhaust Manifold Mounting Kit - MW

Crusader Exhaust Manifolds
Exhaust Manifold Mounting Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-8523 Exhaust Elbow Mounting Kit - MW

Crusader Exhaust Manifolds
Exhaust Elbow Mounting Kit - Special Order est. 10 DaysWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Sierra 18-8524 Exhaust Manifold Mounting Kit - MW

Crusader Exhaust Manifolds
Sierra 18-8524 Exhaust Manifold Mounting Kit The Sierra Exhaust Manifold Mounting Kit is for Crusader GM Big Block V8 454 cu. in. engines. Includes 18-0418 Exhaust Manifold Mounting Gasket. Use With: ... More Details
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Sierra 18-8547 Exhaust Elbow Mounting Kit - MW

Crusader Exhaust Manifolds
Sierra 18-8547 Exhaust Elbow Mounting Kit Sierra mounting kit for center outlet exhaust elbow. For: GM Small Block V8 305- 350 cu. in For: GM Big Block 454 cu. in Interchangeable with: Mallory 9-40478... More Details
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Sierra 18-8926 Impeller Kit - MW

Crusader Water Pump Impellers
Sierra 18-8926 Impeller KitWARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov More Details
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Proudly serving customers across United States & Canada with Marine, RV parts and accessories.

Shipping Warehouse Locations:
New Jersey, USA
Florida, USA

About Us

LibertyMarineUSA supplies marine and RV parts and accessories from trusted U.S. manufacturers and proven, quality-approved imported manufacturers. We focus on dependable, quality-tested products from reliable sources, so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: to deliver the best quality marine parts you can count on. We focus on dependable service, fast shipping, and proven products that are either American-made or American-tested and approved for quality and reliability.