Availability
Sierra Marine Delco EST conversion kits upgrade GM engines with conventional ignition systems to electronic. They are offered for 4-, 6-, and 8-cylinder engines. Sierra Marine Delco EST kits include: * Delco EST (Electronic Spark Timing) distributor * Coil * Ignition wires * Harnesses
( 3 )
$456.99
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$511.99
Sierra Marine exhaust elbow risers are designed to fit the center rise exhaust manifolds used on specific early marine engines. The elbow risers feature precisely machined cast-iron bodies, are painted black, and come to you ready for installation right out of the box. Protect yourself and your investment, choose Sierra Marine's quality engine and drive parts and get back on the water with over 50 years of experience powering the way.
( 2 )
$250.99
Clearance
Sierra Marine exhaust manifolds are painted, packaged, and leak-tested. Your boat's exhaust manifold will not last forever and ignoring it could lead to engine problems. Sierra Marine offers a vast selection of quality units that will allow you to replace your corroded manifold, avert problems, and enjoy trouble-free service.
( 16 )
$448.99
$262.99
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$569.99
Sierra Marine alternators are designed to OEM specifications. All models meet or exceed USCG and SAE J1171 safety requirements and are 100 percent load-tested for assured reliability. Order the replacement alternator recommended for your watercraft application.
Not Yet Reviewed
$257.99
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$473.99
Sierra Marine offers prop shafts developed for use with OMC and Johnson/Evinrude engines. They have a lot of great features, including exceptional performance quality, durability, and high reliability. Sierra's propeller shafts are made with the industry's best-grade materials and are finished with a minimal quality of leftover tensions, and they are corrosion-resistant. All Sierra products are equal to or better than the original equipment parts that they are meant to replace. For more than 50 years, Sierra has been unmatched in quality and backed by rigorous engineering, testing, and manufacturing standards to produce the best parts in the marine industry. Sierra Marine's commitment to excellence ensures the highest degree of confidence where it counts the most: out on the water. Order the prop shaft designed for your application needs.
Not Yet Reviewed
$359.99
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$379.99
Sierra Marine forward gear sets replace old worn gears with renewed performance. Offering an OE fit and function, they include forward and pinion gears. Service your boat with Sierra forward gear sets.
Not Yet Reviewed
$353.99
Sierra Marine drain plugs are available in magnetic and non-magnetic styles. They provide a direct-fit for missing OE plugs and will keep fluids in and contaminants out. For everything marine, big and small components, Sierra Marine will help you repair and maintain your boat.
Not Yet Reviewed
$359.99
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$560.99
Clearance
Sierra Marine exhaust hoses meet or exceed the original equipment parts they are replacing. Made from durable rubber, Sierra offers several options to service your boating exhaust.
( 1 )
$525.99
$342.50
Clearance
Sierra Marine offers a wide range of watercraft drive unit replacement parts, including U-joint assemblies for various GLM, Mallory, OMC, Volvo Penta, and Mercruiser stern drive applications. Each component is manufactured with factory materials in accordance with OE specifications to ensure proper fitment and long-lasting performance.
Not Yet Reviewed
$578.99
$308.50
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$401.99
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
$296.99
Sierra Marine offers a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including gearcase overhaul kits. These overhaul kits 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 gearcase overhaul kits.
Not Yet Reviewed
$386.99
Sierra Marine offers kits to help you rebuild your gear box. Each kit contains the gears you need to get your boat back on the water. Order the model recommended for your watercraft engine application.
Not Yet Reviewed
$288.99
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$480.99
Sierra Marine drive unit caps are made to outperform the original equipment part(s) they are replace. Each Sierra product is engineered to withstand the harsh marine environment while meeting today's high horsepower engine specifications. Order the drive unit component designed for your application.
Not Yet Reviewed
$253.99
Sierra Marine trim pumps are made to meet or exceed the original equipment part that they replace. These marine drive unit components are engineered to surpass today's high horsepower engine demands and stand up to the harsh marine environment. Sierra Marine has been one of the most trusted names in the marine industry and has proudly been offering high-quality engine and drive parts to keep your boat on the water and running strong. Order the model recommended for your application needs.
Not Yet Reviewed
$362.99
Sierra Marine offers power tilt and trim motors for a variety of applications, including Mercruiser Bravo, R, MR, and Alpha One models. These replacement assemblies are built to factory specs to ensure proper fit and long-lasting performance.
Not Yet Reviewed
$351.99
Sierra Marine shafts meet or exceed the original equipment part it replaces. These marine drive unit components are available for use in Mercruiser Alpha, Gen II, Bravo I/II/III and Vazer engine applications. Includes one upper swivel gimbal ring shaft. Order the model for your application needs.
Not Yet Reviewed
$320.99
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
$262.99
Sierra is a leading supplier of marine engine and drive parts, offering 1,000's of parts including driveshafts. These quality components are designed to meet or exceed the OE part(s) they replace. For 50 years, Sierra Marine has proudly offered high-quality engine and drive parts as a trusted name in the marine industry. All Sierra Marine products are engineered to meet today's high horsepower engine demands, while withstanding the harsh marine environment. Choose the driveshaft designed for your application needs.
Not Yet Reviewed
$489.99
Sierra Marine engine couplers are available in a variety of applications to drive your vessel efficiently. Offered individually and in kits, their couplers are manufactured from quality materials to provide hours and hours of time on the water. When it's time to replace a worn coupler, choose from the selection at Sierra Marine.
( 4 )
$269.50
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$438.99
Sierra Marine makes measuring the clearance on your drive units a piece of cake when using their shimming tools. They are made for all different setups and come specific to your needs. Get back on the water with a properly installed gear thanks to Sierra drive shimming tools.
Not Yet Reviewed
$292.99
Sierra Marine oil pans are perfect stamped steel OE-style replacements. Most come with a stock baffle and drain plug, and mount in the original pump location. Order the oil pan recommended for your watercraft application.
( 3 )
$257.99
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$327.99
The 510+ gravity toilets from Sierra Marine supplies ultra-low flush water conservation and trouble-free operation while providing all the comforts of a household toilet. An elongated enameled wood seat and residential-style deep bowl offers enhanced comfort, along with Traveler styling, and powerful rim wash for a deep bowl cleanse. The exclusive, self-cleaning flush locks out holding tank odors and ensures fresh, clean operation. Product Overview: * Provides an easy and cost-efficient upgrade for your boat or RV * Water-efficient rim flush action up to a pint of water per flush * Low-flush water consumption: less than one pint (0.10 gal./0.39 l) per flush * Elongated enameled wood seat and residential-style deep bowl for enhanced comfort * Two-way foot-pedal operation adds water to bowl when desired, and flushes for hygienic use * Integral anti-siphon vacuum breaker protects potable water supply * Exclusive self-cleaning flush ball with a PTFE seal prevents holding tank odors to ensure fresh, clean operation * Designed to install directly above a holding tank * Mounts over a 4-bolt, 3 in. (76 mm) closet flange * Water connection is 1/2 in. (13 mm) NPT * Requires no electricity * Keeps its brilliant, high-gloss finish for years * Easy to install * Universal mounting kit (sold separately) is needed to install traveler toilets on existing 2-bolt floor flanges
( 4 )
$365.99
Replace your watercraft's OE distributor with a Sierra Marine YLM Series model. These are modern, high performance magnetic breaker-less upgrades. Their complete, self-contained ignition system combines the triggering device and amplifier into a single unit that sits inside the distributor housing. The self-contained module/pickup assembly has no moving parts to wear out, making YLM superior to many other designs. Their time-tested breaker-less ignition circuit and surface-mounted, thermal-clad construction provide reliability in harsh marine environments. Designed for 12 V negative-ground systems, YLM distributors improve combustion efficiency and spark plug life, provide accurate timing, and have a simple wiring hookup for easy installation. They're designed to work with both OE and aftermarket coils, so you're sure to find the combination you need. Order the model recommended for your marine make and engine application.
( 1 )
$354.50
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$618.99
Sierra Marine carburetors are new precision castings built to meet or exceed OEM specifications. They offer several 2- and 4-barrel replacement styles to choose from. Order the model recommended for your watercraft application. Features include: * Recalibrated to maximize fuel efficiency and performance * All carburetors are flow-tested throughout the entire throttle range * Fuel mixture and idle settings are preset to ensure that only minor idle and choke adjustments are necessary during installation
( 41 )
$311.99
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$384.99
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