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Marine Drive Unit Components
Showing In Stock Items. Show All 80 Items.
Sierra Marine Trim Senders
Getting the correct trim angle makes all the difference in how your boat glides across the water. That is why its important to make sure any components of the trim are in good working condition. These Sierra Marine trim senders are one of those components that should not be overlooked. Each sender is made to the exact specifications as the original and will wire-up right to your boat.
Not Yet Reviewed
$94.99
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$202.99
Sierra Marine Bushings
Sierra is a leading supplier of marine engine and drive parts, offering 1,000's of parts including bushings that 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. Order the Sierra Marine bushings that are designed for your application needs.
Not Yet Reviewed
$6.99
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$54.99
Sierra Marine Trim Pump Assemblies
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.
Not Yet Reviewed
$489.99
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$759.99
Sierra Marine Transom Seal Kits
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
$3.99
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$201.99
Sierra Marine Prop Shafts
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
$95.99
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$399.99
Sierra Marine Bearing Carrier Retainer Tools
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.
( 2 )
$2.99
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$4.99
Sierra Marine Gear Kits
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
$58.99
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$649.99
Sierra Marine Trim Cylinder Kits
Sierra Marine trim cylinder kits are designed for use in Mercruiser Alpha Gen II stern drives. These repair kits are for use with the front and rear trim cylinder. For more than 50 years, Sierra Marine 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 kit for your application needs.
Not Yet Reviewed
$17.99
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$859.99
Sierra Marine Drain Plugs
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
$3.99
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$349.99
Sierra Marine Propeller Nuts
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
$2.99
Sierra Marine Spanner Nuts
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
$23.99
Sierra Marine Rope Seal Gaskets
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
$10.99
Sierra Marine Coupler Water Tubes
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
$10.99
Sierra Marine Driveshaft Housing Gaskets
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
$2.99
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$15.99
Clearance
Sierra Marine Drive Unit O-Rings
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
$5.99
$1.99
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$73.99
Clearance
Sierra Marine U-Joint Assemblies
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
$439.99
$308.50
Clearance
Sierra Marine Clutch Dogs
Sierra Marine clutch dogs are no-slip, no-friction clutches to replace your outboard's originals. Worn or chipped teeth can cause shifting and gear problems. If you need to replace the dog clutch, Sierra offers several choices for different engines, and all are quality products that meet or exceed OE.
Not Yet Reviewed
$122.99
$56.99
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$86.50
Sierra Marine Drive Unit Caps
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
$10.99
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$164.99
Sierra Marine Driveshafts
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
$21.99
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$309.99
Sierra Marine Shift Housing Gaskets
Sierra Marine offers a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including shift housing gaskets. These gaskets are designed to meet marine-grade standards for outstanding performance, resulting in a durable, high-strength material appropriate for sealing against unwanted leaks, and minimized vibration, low distortion, and conformability over uneven surfaces. 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's shift housing gaskets.
Not Yet Reviewed
$2.99
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$3.99
Sierra Marine Outdrive Gasket Sets
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 )
$8.99
Sierra Marine Retaining Springs
Sierra Marine retaining springs are high-quality replacement components made to meet or exceed the original equipment part it replaces. For 50 years Sierra, one of the most trusted names in the marine industry, has proudly been offering high-quality engine and drive parts, engineered to meet today's high horsepower engine demands while withstanding the harsh marine environment. Order the retaining springs for your application needs.
Not Yet Reviewed
$1.99
Sierra Marine Shift Rod Gaskets
Sierra supplies a wide range of OEM-equivalent parts to maintain and/or repair your watercraft, including shift rod gaskets. These gaskets are designed to meet marine-grade standards for outstanding performance, resulting in a durable, high-strength material appropriate for sealing against unwanted leaks, and minimized vibration, low distortion, and conformability over uneven surfaces. 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 shift rod gaskets.
Not Yet Reviewed
$2.99
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$4.99
Sierra Marine Upper Gear Kits
Sierra Marine upper gear kits replace old worn gears with renewed performance. Offering an OE fit and function, Sierra's selection includes kits with gears, gears and seals, and kits with gears, seals, gaskets, and bearings to service different applications.
Not Yet Reviewed
$174.99
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$879.99
