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Sierra Marine transom seal kits provide components to remove and reinstall your boat's sterndrive. Their kit offerings are available for many applications with parts that will fit and function as the originals they are replacing. Service the rear of your boat with the leak-free sealing of Sierra transom kits.
Not Yet Reviewed
$2.99
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
$12.99
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$24.99
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 supplies a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including driveshaft housing gaskets. These gaskets meet or exceed the original equipment part 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. Upgrade your boat today with these replacement marine drive unit components from Sierra Marine.
Not Yet Reviewed
$3.99
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 supplies a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including shift rod gaskets. These gaskets are designed to meet marine-grade standards for outstanding performance, resulting in a durable, high-strength material appropriate for sealing against unwanted leaks, and minimized vibration, low distortion, and conformability over uneven surfaces. For over 50 years, Sierra 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 Marine shift rod gaskets.
Not Yet Reviewed
$3.99
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 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
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
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
$6.99
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$26.99
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 water tube seals are quality replacements for all your marine applications. Each water tube seal is made specifically for every application, so fitment is a guarantee with every purchase.
Not Yet Reviewed
$1.99
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$4.99
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 supplies a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including bearing housing gaskets. Foreign matter or leakage will cause bearing damage due to malfunction or seizure if the sealing device fails to perform correctly. These bearing housing gaskets provide a good seal against leaks to keep peak combustion pressures and temperatures in check and can help extend the life and dependability of rotating machinery by ensuring that the lubricating fluid is clean. Upgrade your watercraft with high-quality parts and accessories from Sierra Marine.
Not Yet Reviewed
$6.99
Sierra Marine distributor cap gaskets are quality composite replacements available in options to help you to maintain, tune-up, or overhaul your inboard or outboard engine. All gaskets are designed to meet OEM specifications for your application. Order the gasket recommended for your watercraft application.
Not Yet Reviewed
$1.99
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
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$75.99
Sierra Marine offers a wide range of watercraft replacement parts—including these Reed block gaskets. Manufactured from composite material with a coating and Pintoseal, the gaskets are designed for various Mercury/Mariner outboard motor applications. The OEM parts ensure correct fit and performance, enabling you to rebuild, repair, or maintain your vessel.
Not Yet Reviewed
$4.99
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 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
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.
Not Yet Reviewed
$23.99
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$28.99
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
Fel-Pro Performance marine head set gaskets include all of the seals needed for a valve grinding job on your marine application—such as cylinder head gaskets, valve cover gaskets, intake and exhaust manifold gaskets, and valve stem seals. These direct-fit replacement components are made from top-quality materials, and are designed for specific marine engines. Maintain your equipment with performance gaskets from the industry leader: Fel-Pro.
( 63 )
$59.99
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$205.99
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.
( 45 )
$46.99
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$174.99
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.
( 29 )
$38.99
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$60.99
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