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With over 50 years of experience in building boat parts, Sierra Marine is the boater’s go-to source for outboard motor parts, gauges, and more for marine applications....
With over 50 years of experience in building boat parts, Sierra Marine is the boater’s go-to source for outboard motor parts, gauges, and more for marine applications. Sierra Marine makes specialty marine oil, marine starters, tools, manifolds, and marine ignition sensors—all designed to ensure you enjoy your time on the water. Keep your boat ship-shape with parts from Sierra Marine. Order now at Summit Racing.
With over 50 years of experience in building boat parts, Sierra Marine is the boater’s go-to source for outboard motor parts, gauges, and more for marine applications. Sierra Marine makes specialty marine oil, marine starters, tools, manifolds, and marine ignition sensors—all designed to ensure you enjoy your time on the water. Keep your boat ship-shape with parts from Sierra Marine. Order now at Summit Racing.
Monitor your electrical systems with Sierra Marine warning light sending units. These temperature senders have a 200 degree trip to alert you to a problem. For accuracy and reliability on board ship, replace bad temperature switches with new ones from Sierra Marine.
Not Yet Reviewed
$22.99
To service your boat engine yourself you will need some special tools. Sierra Marine lower unit fill tubes and kits can help. These flush and fill tools (standard or import) are for small gearcases requiring a 10 oz. tube of gear lube and include the appropriate lower unit fitting for specific applications. Sierra also offers the standard fill tube in a kit along with two 10 oz. tubes of gear lubricant. Choose the product(s) you need for your boat maintenance. Features of lubricant: * Recommended for all general marine applications requiring a GL-5 class lubricant * Ideal for replacing all old hypoid 90 application needs * Formulated for use in freshwater or saltwater conditions and all standard marine applications * Reduces friction and protects gears, bearings, and other gear case components * Amber color * 80W-90 weight
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$12.50
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$56.99
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.
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$11.99
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$253.99
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!
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$9.99
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$61.99
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.
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$7.99
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$172.99
Sierra Marine supplies a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including drive unit cover plate gaskets. These cover plate 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.
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$4.99
Sierra Marine offers quality replacement parts, including these electrical oil pressure gauge sending units that feature 80 psi, and a 1/8 in. NPT thread-in style attachment. They're available for use on most types of marine applications on Sterndrive and inboard engines. Order the unit best suited to your application.
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$23.99
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$33.99
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.
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$1.99
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$78.99
Sierra Marine trim pumps are marine drive unit components engineered to surpass today's high horsepower engine demands and stand up to the harsh marine environment. Sierra products are made to meet or exceed the original equipment part it replaced. Sierra 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 trim pump assembly recommended for your application needs.
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$593.99
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$1,118.99
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.
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$3.99
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$26.99
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.
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$578.99
$285.99
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$804.99
Sierra Marine hinge pin tools are handy to have when servicing your engine drive unit. These tools will remove and install the hinge pins from all Mercury Marine drive units. Care is necessary when removing the pins due to corrosion and age, and the right fitting tool can make all the difference. Let Sierra Marine hinge pin tools help.
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$20.99
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$26.99
Sierra pinion nuts are constructed with premium, long-lasting, non-corrosive material that can resist the harsh sea climate. These pinion nuts are designed to connect to the steering shaft so that the gear will spin and move the rack when you turn the steering wheel. Each Sierra product is made to meet or exceed the original equipment part it replaces. Keep your boat on the water and running strong with Sierra marine drive unit components.
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$4.99
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$20.99
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.
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$1.99
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$292.99
Sierra Marine offers anchor screws for use with Mercruiser #1R, MR, Alpha, Alpha I, Gen II, and Bravo stern drives. These marine drive unit components are designed to meet or exceed the original 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 their products are engineered to meet today's high horsepower engine demands, while withstanding the harsh marine environment. Order the anchor screws for your application.
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$1.99
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$41.99
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.
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$362.99
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.
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$320.99
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.
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$2.99
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$197.99
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.
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$160.99
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$425.99
Specialty tools make your job easier, like Sierra Marine bearing carrier retainer tools. They are designed to loosen and tighten the bearing carrier retainers on Bravo Two drives. Service your boat with the help of Sierra Marine.
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$3.99
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$5.99
Sierra Marine supplies a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including rope seal 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 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 rope seal gaskets.
Not Yet Reviewed
$17.99
Sierra Marine offers a wide range of watercraft replacement parts, including propeller nuts for virtually every motor from Chrysler, Force, US Marine, GLM, Mallory, Mercruiser, Mercury, Johnson/Evinrude, OMC, Yamaha, Nissan, Tohatsu, Suzuki, Volvo Penta, Pleasurecraft, Honda©, and Sears. These brass, steel, or nylon nuts are available in hex, barrel, and castle style in numerous thread sizes. They've available individually, in a set or kit to secure your prop.
Not Yet Reviewed
$4.99
Sierra Marine's coupler water tubes are made from a blend of high-tech materials, and skillfully designed to work with Alpha One Gen II drives, and work with many outboard applications. Each Sierra product meets or exceeds the original equipment part it replaces and is engineered to meet today's high horsepower engine demands while withstanding the harsh marine environment. Order the model designed for your application needs.
Not Yet Reviewed
$12.99
Sierra Marine spanner nuts are suitable to fit IA/IB/IC and EZ Shift, MC-I, R, MR, Alpha One, Gen II, Vazer, TRS, Bravo I and IX applications. The spanner nuts are high-strength, with an entire body casting made of high-quality medium carbon steel. For 50 years Sierra, one of the most trusted names in the marine industry, has proudly been offering high-quality engine and drive parts to help keep your boat on the water and running strong.
Not Yet Reviewed
$24.99
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