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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.
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$41.99
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$46.99
Gaskets are important, especially on your boat. These small parts have a big job, and Sierra Marine offers several options to keep your boat on the water and all its parts running their best. Their water jacket cover gaskets are made from durable materials to create a tight seal, preventing leaks and protecting against moisture. Select the gaskets designed for your boat's engine.
Not Yet Reviewed
$24.99
Sierra Marine offers a wide range of watercraft replacement parts, including Powerhead gaskets designed and engineered to meet or exceed the high horsepower demands of today's engines in the harshest marine environments. These gaskets are made from high-quality materials, and each gasket is machined to perfectly match the OEM bolt hole and port patterns on head and block for a precise fit, creating a tight seal, preventing leaks and protecting against moisture. 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. Select the gaskets for your application.
Not Yet Reviewed
$26.99
Sierra Marine offers a wide range of watercraft replacement parts—including these powerhead base gaskets. The composite seals are designed to fit specific applications from Johnson, Evinrude, GLM, Mallory, and more. Each gasket meets or exceeds the quality of the original equipment part to ensure correct fit and performance.
Not Yet Reviewed
$20.99
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$21.99
Sierra Marine offers gearcase seal kits for the purpose of sealing a connection between two parts or flanges with flat surfaces with accuracy for trouble-free installation, functioning, and safety. Wherever a union or flange is necessary, gaskets stop leaks, and replacement is recommended each time the equipment is taken apart and reassembled with the new gasket. For decades, Sierra has proudly been offering high-quality engine and drive parts and accessory kits as a trusted name in today's marine industry. Order the Sierra Marine gearcase seal kit designed for your application needs.
Not Yet Reviewed
$25.99
Sierra Marine dry joint elbow gaskets help restore your engine's performance with the right fit, form, and function for your marine vehicle. They feature high-quality materials and strict design requirements that meet or exceed OE specifications—critical to ensuring an easy installation and dependable operation. Choose the Sierra Marine dry joint elbow gaskets designed for your boating application and enjoy the ride!
Not Yet Reviewed
$48.99
Sierra Marine offers timing cover seals for a variety of watercraft makes—including Mercury, OMC, Mallory, Volvo Penta, Mercruiser, and Evinrude/Johnson. These replacement parts meet or exceed the original equipment. Order the model recommended for your vessel.
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$23.99
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$28.99
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
$24.99
Remflex marine exhaust riser gaskets are made from a unique flexible graphite material that's been proven for more than 30 years in industrial applications, where temps routinely excel 2,000 degrees F day after day, year after year. Now, this technology is available to enthusiasts of all kinds—to eliminate exhaust leaks for good! These replacement seals are available in multiple sizes and configurations. Choose those needed for your application.
Not Yet Reviewed
$20.79
Working on a marine engine? Get Fel-Pro Performance marine head gaskets to cover those situations. They are specifically made to work in the harsh marine environments.
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$38.99
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$58.99
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.
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$20.99
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$53.99
Clearance
A leak-free seal is important. Sierra Marine valve cover gaskets are available in many designs and material options to create a confident seal between your watercraft's valve covers and exhaust manifold. The gaskets are designed to meet OEM specifications to offer a perfect fit.
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$21.99
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$23.99
Clearance
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
$36.99
$21.50
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$50.99
Sierra Marine offers thousands of products including thermostat diaphragm and cup assemblies for Johnson/Evinrude outboard engines. Each Sierra product meets or exceeds the original equipment part it replaces. Order the Sierra thermostat diaphragm and cup assembly for your application needs.
Not Yet Reviewed
$20.99
Fel-Pro Series 17300 marine intake gaskets include intake manifold side gaskets, intake manifold end seals, and distributor mounting gaskets. They are designed and constructed to allow engine builders to trim them for an exact fit on modified ports. The base material resists coolant, gasoline, alcohol, and oil.
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$44.99
Are you working on a marine engine? You may find that all of the gaskets and seals that you need for certain jobs are not contained in typical gasket sets. Fel-Pro Performance marine gasket sets cover those situations. They include the seals not found in head sets, including replacements for the oil pan, water pump, timing cover, fuel pump, and rear main seals (depending on the set you order). Order the marine gaskets recommended for your year/make and engine application.
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$46.99
Fel-Pro marine valve cover gaskets offer unsurpassed form, fit, and function. Specifically designed for your application, these gaskets are made using top-quality sealing materials to provide a reliable seal and the extra protection needed for today's marine applications.
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$42.99
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$52.99
Fel-Pro Marine rear main seals are engineered for a perfect seal. They're built to meet or exceed OE specifications and are validated for fit, form, and function to ensure unsurpassed quality and service life. Even on water, Fel-Pro rear main seals are the right choice. The seals are available in different styles and materials. Order the model recommended for your engine application.
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$43.99
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$57.99
Fel-Pro Performance marine conversion set gaskets are ideal for stock rebuilds or street-driven cars and trucks. They include the gaskets necessary for a complete engine rebuild when used with a Fel-Pro Performance marine head set. Fel-Pro gaskets give rebuilders and technicians alike the proven gasket technology they can trust to deal with leak issues successfully.
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$46.99
Marine gaskets, like performance gaskets, do face more challenging sealing situations than automotive replacement gaskets. Fel-Pro is an undisputed leader in marine gaskets built tough to stand up to the challenge. These Marine oil pan gaskets are available in a variety of marine applications, in either a solid steel core or rigid carrier design, and on some gaskets, the side rails are trimmed for stroker engines.
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$26.99
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$30.99
Today's marine engines are developing more horsepower and running at higher rpm than ever before. Federal-Mogul marine timing cover gaskets are designed with the best combination of features for use in these demanding applications. Their are no exceptions--these gaskets are precision-crafted from top-quality materials for a job done right. Give your marine engines an extra measure of protection.
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$23.99
Fel-Pro PermaDry marine oil pan gaskets are engineered with molded rubber construction to provide an overall even clamping force along the entire oil pan, which provides more superior sealing capabilities. So, if you're trying to decide which type of gasket to use when repairing or rebuilding an engine that once was originally equipped with molded rubber gaskets, use Fel-Pro PermaDry Marine oil pan gaskets!
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$50.99
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$59.99
Today's marine engines are more powerful than ever before and need an extra measure of protection. Premium Fel-Pro Blue Stripe valve cover gaskets are a blend of evenly sized cork particles that are uniformly distributed throughout a special rubber binder. The results are extra-thick gaskets without leak paths, which yield better compressibility and sealing for tough applications.
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$23.99
Fel-Pro marine timing cover seals provide an extra measure of protection for your marine engine needs. They offer seals to cover several applications, including those for reverse-rotation engines. Always make sure the proper seal is used for each application.
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$27.99
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