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 )
$7.99
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$295.99
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
$77.99
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$318.99
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
$2.99
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$161.99
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
$5.99
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$73.99
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
$1.99
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$7.99
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 )
$2.99
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$96.99
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 )
$5.99
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$12.99
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 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
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
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$14.99
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
$7.99
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$26.99
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 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
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
$3.99
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$29.99
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.
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$24.99
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$75.99
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).
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$47.99
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$59.99
If you have recently noticed increased noise levels and water leakage around your marine vehicle's exhaust, it might be time for Sierra Marine exhaust baffle plate gaskets. They are designed to help the baffle system reduce noise, water back-flow, and following sea waves from gaining easy access to the rest of the system. Whether you are doing repair work, full replacements, or a new build, get the products that keep you moving when you order the Sierra Marine exhaust baffle plate gaskets best suited for your application.
Not Yet Reviewed
$2.99
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$14.99
If you have recently noticed increased noise levels and water leakage around your marine vehicle's exhaust, it might be time for Sierra Marine exhaust baffle gaskets. They are designed to help the exhaust system reduce noise, water back-flow, and following sea waves from gaining easy access to the rest of the system. Whether you are doing repair work, full replacements, or a new build, get the products that keep you moving when you order the Sierra Marine exhaust baffle gaskets best suited for your application.
Not Yet Reviewed
$7.99
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
$1.99
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$6.99
If you have recently noticed increased noise levels and airflow disturbances with your outboard engine, it might be time for Sierra Marine air silencer gaskets. They are designed to help the silencer work with the airbox to reduce noise and airflow disruptions caused by the rapid exhaust of compressed air. Whether you are doing repair work, full replacements, or a new build, get the products that keep you moving when you order the Sierra Marine air silencer gaskets best suited for your application.
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$4.99
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$7.99
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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$4.99
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 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
When you only need the bellows and not a whole transom seal kit, Sierra Marine can help. They offer individual drive 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 steer your craft in the right direction with their selection of replacement drive bellows.
Not Yet Reviewed
$55.99
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