Availability
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 )
$5.99
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$295.99
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
$3.99
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$97.99
Nothing ruins a day on the water like motor trouble. Stay ahead of the problem with Sierra Marine engine overhaul gasket sets. They allow you to replace your old seals—restoring lost performance and keeping your marine vehicle running efficiently. Get back to enjoying the open water by ordering the Sierra Marine overhaul gasket set designed for your application.
( 2 )
$124.99
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$153.99
Sierra Marine oil seals are available to fit most applications on the water today. Their varying selection offers the best quality materials, along with the proper fit and function to equal or go beyond the OE oil seals they are replacing. For confident, leak-free performance choose Sierra Marine for your oil seals.
Not Yet Reviewed
$6.50
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$26.99
Sierra Marine water pump gaskets are available in many designs and material options to create a confident seal when servicing and remounting your water pump. The gaskets are manufactured to meet OEM specifications, offering a perfect fit with leak-free performance.
Not Yet Reviewed
$1.99
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$11.99
Sierra Marine offers a wide range of watercraft replacement parts—including these carburetor base plate gaskets. They're available for applications such as Honda® outboards. The seals are made from quality materials and original specs for correct fit and performance. Order the gasket recommended for your carb base plate.
Not Yet Reviewed
$1.99
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$10.99
Sierra Marine offers a wide range of watercraft replacement parts—including these baffle plate gaskets. The OEM seals are made from original materials and specs to ensure proper fit and performance. They meet or exceed factory quality. Direct your vessel's oil flow; order the gasket model recommended for your application.
Not Yet Reviewed
$8.99
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$21.99
Sierra Marine offers water pump impeller gaskets for a wide range of watercraft applications, including motors from GLM, Johnson/Evinrude, Mallory, OMC, Chrysler, Mercury, Sears, Mercruiser, and Honda©. These housing seals are manufactured from factory materials and specs to ensure proper fitment and long-lasting performance.
Not Yet Reviewed
$4.99
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$18.99
Sierra Marine offers complete head gasket sets for a wide range of engine applications. These replacement seals are made from original materials and specs to ensure proper fit and performance. They facilitate your overhaul or rebuild with model-specific gaskets for the head, intake, exhaust manifold, water neck, distributor, and much more—depending on the set you select. Order the kit recommended for your engine.
Not Yet Reviewed
$223.99
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$280.99
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
$2.99
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$21.99
Sierra Marine offers exhaust end cover 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, the Sierra exhaust end cover plate gaskets create a tight seal, preventing leaks and protecting against moisture. Select the gaskets for your application.
Not Yet Reviewed
$2.99
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$30.99
Sierra Marine offers exhaust outer cover 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 outer cover gaskets create a tight seal, preventing leaks and protecting against moisture. Select the gaskets for your application needs.
Not Yet Reviewed
$3.99
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$19.99
Sierra Marine offers a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including trim cylinder O-ring sets. These components are designed to replace outdated or damaged components to restore performance and functionality and have been engineered to meet today's high horsepower engine demands while withstanding the harsh marine environment. 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. Upgrade your boat with Sierra's trim cylinder O-ring sets.
Not Yet Reviewed
$5.99
Sierra Marine lower 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 lower unit seal kits are a real time saver! For OEM performance at a value price, look no further than to Sierra Marine.
( 1 )
$7.99
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$165.99
Sierra Marine offers leaf plate gaskets for a variety of applications, including GLM and Johnson/Evinrude outboard engines. These replacements are made from original materials and specs to ensure proper fit and long-lasting performance.
Not Yet Reviewed
$7.99
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$9.99
Sierra Marine fuel filter drain bowl replacement components provide sealing for your fuel/water separation system. Quality replacement O-rings and gaskets will withstand the harsh marine environment and maintain the desired leak-free performance.
Not Yet Reviewed
$4.99
Sierra Marine offers driveshaft housing to exhaust plate gaskets as OEM-replacements for damaged, loose, or missing gaskets that cause exhaust gas to lose pressure and temperature, which can affect fuel efficiency and power. Sierra parts are constructed with quality in mind using the highest grade materials for exceptional life and performance. Select the driveshaft housing to exhaust plate gaskets designed for your engine application.
Not Yet Reviewed
$18.99
Sierra Marine offers a wide range of watercraft replacement parts—including these heat exchanger end gaskets. The composite seals are made from original materials and specs to ensure a correct fit and performance. They're available for different marine makes, such as Mercruiser and GLM. Heat exchangers are a key part of your engine's cooling system. Maintain your vessel with the gasket recommended for your application.
Not Yet Reviewed
$3.99
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$8.99
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
$41.99
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$262.99
Sierra Marine offers a wide range of watercraft replacement parts—including these overhaul gasket sets. They contain a variety of seals to rebuild, repair, or maintain key parts of your boat engine and related accessories. The full gasket kits are made to OEM specs for correct fit and performance; and they're available for marine makes such as OMC, GLM, Mercruiser, Mallory, Mercury, and Yamaha.
Not Yet Reviewed
$235.99
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
$7.99
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$57.99
Sierra Marine offers fuel filter seals for a variety of powersports applications, such as Volvo Penta. The large rubber O-ring replacements are molded to factory specifications to ensure proper fit and leak-free performance.
Not Yet Reviewed
$6.99
Sierra Marine offers thermostat caps—a critical component in the marine engine cooling system, ensuring the engine operates within its ideal temperature range for maximum performance and longevity. These thermostat retainer gaskets meet or exceed the original equipment part that they replace and are engineered to meet today's high horsepower engine demands while withstanding the harsh marine environment. 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 thermostat retainer gasket cap designed for your boat's outboard engine.
Not Yet Reviewed
$2.99
Sierra Marine relief valve plate gaskets are reliable, durable, and high-quality, assisting in the smooth and safe operations of the boat. These seals control pressure, most often in fluid or compressed air systems. The valves open in proportion to the increase of pressure; when the system is somewhat over-pressured, they don't fly all the way open. Relief valve plate gaskets improve the safety features of the engine, helping to avoid unwanted circumstances. Ensure proper fit and performance; order the OEM replacement seals recommended for your vessel.
Not Yet Reviewed
$4.99
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