Gaskets & Seals
Availability
From intake to exhaust, gaskets are always at the center of the action, providing the positive, leak-free seal your vehicle’s vital systems require to run at peak efficiency....
From intake to exhaust, gaskets are always at the center of the action, providing the positive, leak-free seal your vehicle’s vital systems require to run at peak efficiency. We have the automotive gaskets and seals for your daily driver or dedicated race car in individual pieces that are perfect for general maintenance or full sets with every gasket and seal you need for a complete engine rebuild. Choose from factory-replacement materials like cork and rubber, or high-tech gaskets made from multi-layer steel, dead-soft aluminum, copper, and more—all designed to withstand extreme heat and pressure.
From intake to exhaust, gaskets are always at the center of the action, providing the positive, leak-free seal your vehicle’s vital systems require to run at peak efficiency. We have the automotive gaskets and seals for your daily driver or dedicated race car in individual pieces that are perfect for general maintenance or full sets with every gasket and seal you need for a complete engine rebuild. Choose from factory-replacement materials like cork and rubber, or high-tech gaskets made from multi-layer steel, dead-soft aluminum, copper, and more—all designed to withstand extreme heat and pressure.
Showing In Stock Items. Show All 31 Items.
If you're rebuilding the top-end of your engine, you'll want one of these Mahle Original head gasket sets. They are perfect for stock rebuilds of engines for street-driven cars and trucks. Mahle Original head gasket sets are packaged in shrink-wrapped trays, giving you the ability to view the contents prior to opening the package. You receive every part you need to complete your gasket repair in one package (unless otherwise stated). Mahle Original utilizes OE equivalent or better materials in all their head sets, providing you with Mahle's Best Solution for your sealing needs. Mahle Original head gasket sets give you original equipment form, fit, and function, so they fit just like the originals. These gasket sets are not intended for race applications.
( 29 )
$75.99
Put an end to intake manifold leaks with a Fel-Pro intake plenum gasket set. Specifically made to address tough sealing issues, the gaskets help to ensure leak-free performance. These replacements meet or exceed OEM specifications and are available for a wide range of vehicle and engine applications.
( 51 )
$19.99
SCE offers AccuSeal Pro exhaust gaskets for countless year/make and engine applications, from the 1950s and up. These premium seals are available in steel/graphite and composite materials—for nearly 20 port styles, in different heights, widths, and quantities. Order the gaskets recommended for your vehicle. Additional product details: * Designed for extreme exhaust header/manifold high-temperature and pressure usage * Perforated steel core provides superior strength, durability, and fastener torque retention to eliminate gasket failure * Graphite facing applied to both sides of core provides extreme heat resistance to prevent blowout and burnout * Good adaptability to seal header/manifold flange irregularities * Will not impede exhaust flow * Permits easy removal of gasket for engine service * Available for most OE and aftermarket cylinder heads
( 22 )
$15.70
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 )
$24.99
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$71.99
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 )
$15.99
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$27.99
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
$29.99
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$189.99
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
$27.99
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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
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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$318.99
Sierra Marine outdrive gasket sets are high-quality seals designed to meet or exceed OEM requirements. Each replacement set contains the gaskets you need to get your outboard installed and keep it leak-free. Order the set recommended for your marine application.
( 1 )
$6.99
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$10.99
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.
Not Yet Reviewed
$13.99
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$23.99
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 exhaust manifold end cap 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 exhaust system.
Not Yet Reviewed
$6.99
Sierra Marine exhaust elbow mountings kits can eliminate the time to research and source individual parts and let you focus on assembling the exhaust system. Each component in the kit is engineered to meet or exceed manufacturer's specifications to ensure the proper fit and function. Do-It-Yourselfers and technicians alike will appreciate these pre-assembled kits. Order the Sierra exhaust elbow mounting kit suited to fit your application.
Not Yet Reviewed
$16.99
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 )
$47.99
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$70.99
Mahle sealing products are trusted by OEMs and technicians around the globe. They are the leaders in domestic, Asian, and European applications. Mahle engine conversion gasket sets offer the right sealing performance for your project. These kits are precision-cut and contain the correct selection of gaskets and seals needed. Some kits may include RTV for upper and lower pan gaskets. Need a full set? Just add one of Mahle's head sets and you will have everything you need. Features include: * Meet or exceed the original equipment specifications * Utilize OE equivalent or better materials * Packaged in a shrink-wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
( 13 )
$89.99
Sierra Marine exhaust manifold mounting kits include the necessary parts needed to help complete your manifold installation. Each component in the kit is engineered to meet or exceed manufacturer's specifications to ensure the proper fit and function. Take the time out of sourcing parts with Sierra exhaust manifold mounting kits—these pre-assembled kits are a time saver! Order the exhaust manifold mounting kit suited to fit your application needs.
Not Yet Reviewed
$22.99
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 exhaust housing 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 exhaust system.
Not Yet Reviewed
$15.99
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 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
Sierra Marine offers exhaust elbow gaskets for a wide range of watercraft makes—including Barr, GLM, Mercruiser, Osco, Mallory, Mercury, and Pro Marine. The full-flow composite gaskets are used between the manifold and optional extension blocks. They fit countless engine applications; order the replacement gasket recommended for your vessel.
Not Yet Reviewed
$13.99
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 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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$5.99
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
$164.99
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$235.99
Sierra Marine thermostat gaskets are high-quality replacements made specific to marine engines. Each gasket application is constructed from premium materials, and made to exact specifications to ensure a proper fit for your marine engine model. Keep your watercraft a float with high-quality aftermarket replacement boat engine and drive parts from Sierra Marine.
Not Yet Reviewed
$7.99
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