Availability
Eddie Marine EMI Thunder exhaust riser gaskets seal the area between the manifold and riser. Made from quality composite materials, these gaskets will restore a leak-free seal. They're available for risers with and without water passages.
( 1 )
$23.95
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 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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$46.99
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
$20.99
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$26.99
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
$29.99
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 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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$26.99
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
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$38.99
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
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
$23.99
Clearance
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
$35.50
Eddie Marine transom flange gaskets are silicone replacements that restore leak-free transom sealing. They provide an excellent fit, even with extreme transom angles, as the gaskets stretch to seal against the exhaust.
Not Yet Reviewed
$47.95
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 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
Sierra Marine cooling pipe gasket sets are manufactured to match the original part and are fully interchangeable with the OEM products they are designed to replace. Order the Sierra Marine cooling pipe gasket set that is recommended for your specific engine make, model or year of manufacture.
Not Yet Reviewed
$31.99
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 )
$36.99
Sierra Marine upper 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 upper unit seal kits are a real time saver. 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!
Not Yet Reviewed
$47.99
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
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$23.99
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
$26.99
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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$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.
( 3 )
$20.99
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$57.99
Eddie Marine offers exhaust gaskets for EMI Thunder and other aluminum marine exhaust manifolds to provide a durable, leak-resistant seal. These exhaust gaskets are made of steel core laminate material, and are available for SB and BB applications.
( 3 )
$23.95
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 )
$21.99
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$56.99
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.
Not Yet Reviewed
$20.99
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$23.99
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