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Sierra Marine head gaskets will meet your marine engine's original equipment requirements for leak-free performance. They offer a huge assortment of high-quality gaskets to service many applications. Sierra Marine head gaskets will keep your boat's engine in prime condition for the best on-the-water experience.
( 3 )
$51.99
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$106.99
Sierra Marine intake manifold gaskets are perfect replacements designed to help you maintain your high-performing marine engine. Made from quality material, these gaskets meet or exceed OEM specifications in quality and performance of the original part they are replacing. Order the application you need.
Not Yet Reviewed
$63.99
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$97.99
Sierra Marine offers rear main seals for a wide range of watercraft makes—including Crusader, Mercruiser, OMC, Pleasurecraft, Volvo Penta, Mallory, and GLM. The one- or 2-piece rubber O-ring seals are designed for the crankshaft of various marine engine models. Order the replacement rear main seal recommended for your vessel.
Not Yet Reviewed
$75.99
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When you only need the bellows and not a whole transom seal kit, Sierra Marine can help. They offer several different exhaust bellows to fit different applications. Made from durable materials, these accordion-shaped parts, when clamped in place, offer protection from water. Maintaining the bellows on your boat is important and Sierra Marine can help with their selection of replacements. Bellows may or may not include clamp(s).
( 1 )
$130.99
$64.50
Sierra Marine exhaust manifold gaskets are engineered to meet or exceed manufacturer specifications—and provide added value to boaters and marine mechanics. Exhaust manifolds take a beating in the watercraft environment and require regular inspection to avoid catastrophic engine failure. After an inspection (or replacement), it's equally important to replace the gaskets. Sierra Marine offers gaskets in a variety of configurations for direct-fitment on most popular engine make applications. Sierra Marine exhaust manifold gaskets are designed to perfectly match the exhaust ports for your engine.
( 3 )
$56.99
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$96.99
Sierra Marine upper unit seal kits consist of the necessary parts needed to help complete repairs. Each component in the kit is engineered to meet or exceed manufacturer's specifications to ensure the proper fit and function—plus, these pre-assembled upper unit seal kits are a real time saver. For over 50 years, Sierra Marine has supplied the best aftermarket parts in the marine industry—so boaters can enjoy the best of times on the water!
Not Yet Reviewed
$61.99
Sierra Marine offers a wide range of watercraft replacement parts—including these complete powerhead gasket sets. They contain a variety of composite seals to rebuild, repair, or maintain the power-producing part of your motor, Powerheads consist of parts like the block, heads, crankshaft, pistons, connecting rods, and valves. The OEM gasket kits ensure correct fit and performance; and they're available for marine makes such as OMC, GLM, Mallory, Mercury, Johnson/Evinrude, and Yanmar.
Not Yet Reviewed
$72.99
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$107.99
Maintain your boat's drive system with components from Sierra Marine. They carry the items you need, even the smaller stuff like O-rings made from quality materials. Little things can cause big problems. Service your drive system with Sierra O-rings for a good seal.
Not Yet Reviewed
$78.99
When you only need the bellows and not a whole transom seal kit, Sierra Marine can help. They offer several different U-joint bellows to fit different applications. Made from durable materials, these accordion-shaped parts, when clamped in place, offer protection from the water. Maintaining the bellows on your boat is important. Sierra Marine can help with their selection of replacements. Bellows may or may not include clamp(s).
( 1 )
$69.99
Sierra Marine offers exhaust plate gaskets in several options to keep your boat on the water and all its parts running their best. Constructed using the highest grade materials for exceptional life and performance, Sierra exhaust plate gaskets create a tight seal, preventing leaks and protecting against moisture. Select the exhaust plate gaskets designed for your application.
Not Yet Reviewed
$57.99
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$69.99
Sierra Marine exhaust riser gaskets are engineered to meet or exceed manufacturer specifications—and provide added value to boaters and marine mechanics. Exhaust manifolds and risers take a beating in the marine environment and require regular inspection to avoid catastrophic engine failure. After an inspection (or replacement), it's equally important to replace the riser gaskets to maintain separation of exhaust and cooling channels. Sierra Marine exhaust riser gaskets are designed to perfectly match exhaust and cooling ports. They're available in restrictor and non-restrictor models for specific applications.
Not Yet Reviewed
$70.99
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$73.99
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