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      • Sierra 18-8219 MerCruiser Bravo Bellows Seal Kit Replaces 8M0095485
        $369.49
        $258.99

        Sierra 18-8219 MerCruiser Bravo Bellows Seal Kit Replaces 8M0095485 This Sierra bellows seal kit is designed for use with Bravo drives and includes a sealed gimbal bearing. Application Info: Fits Bravo I/II/III (1998 & Up) s/n 0B664190 &...

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      • Sierra 18-8212 MerCruiser Bravo Bellows Seal Kit Replaces 8M0095485
        $413.99
        $289.49

        Sierra 18-8212 MerCruiser Bravo Bellows Seal Kit Replaces 8M0095485 This Sierra bellows seal kit is designed for use with MerCruiser Bravo drives. This bellows kit comes with a greasable gimbal bearing. Application Info: Fits MerCruiser Bravo I, Bravo...

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      • Sierra 18-2171 Engine Coupler Replaces 76850A2
        $312.99
        $218.99

        Sierra 18-2171 Mercruiser Engine Coupler Sierra replacement round style engine coupler for all GM marine engines Except Mercruiser MR/Alpha/Bravo with Triangular, 3-bolt coupler. All Sierra aftermarket parts are manufactured to meet or exceed OEM...

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      • Sierra 18-6406 U-Joint
        $157.49
        $110.49

        U-Joint - Special Order est. 10 Days Key Features: GKN new style with external clips Additional Details For: Mercruiser Vazer Replaces: Mallory 9-72413 9-72414 Mercruiser 865510T 865493A01 865496A02 865496A01 865511T Volvo Penta ...

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      • Sterndrive Engineering SE106 Replacement Mercruiser Drive
        $2,357.49
        $2,049.99

        Sterndrive Engineering SE106 Replacement Mercruiser Drive R, MR, Alpha One Complete Replacement Outdrive for Mercruiser R, MR, and Alpha One. 1972 - 1990. Please verify your serial number to be sure if you have a Gen 1 or Gen 2 drive. Brand New...

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      • Sierra 18-3219 Water Tube Replaces 42724A3
        $42.99
        $29.99

        Sierra 18-3219 Mercruiser Water Tube & Cover Kit Sierra replacement engine parts are designed to meet OEM specifications. For Merc I and Alpha I Drives. Models: I, 1A, 1B, 1C, 1CEZ, 120, 140, 160, 165, 888, 898, 228, 225-S, 233, 250, 260, 470,...

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      • EMP 27-02386 MerCruiser Outdrive Gasket Kit
        $9.59
        $7.99

        EMP 27-02386 MerCruiser Outdrive Gasket Kit This outrdrive gasket kit is intended for use with MerCruiser engines and meets all OEM requirements. Outrdrive Gasket Application: For 1983 & later MC-1, R/MR/Alpha One & Alpha Gen II...

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      • Sierra 18-2354 Carrier Seal Replaces 807929A1
        $35.99
        $27.49

        Sierra 18-2354 Carrier Seal for Mercury, Mercruiser Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 12341 Mallory 9-72642 Mercruiser Stern...

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      • Sierra 18-2603E Lower Shift Cable Kit Replaces 865436A03
        $223.99
        $156.99

        Sierra 18-2603E Mercruiser Alpha 1 Gen II TFXtreme Lower Shift Cable Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. This cable requires a 18-9606E (Xtreme Shift Cable Tool) to complete installation Kit...

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      • Sierra 18-2149 Shift Cable Guide
        $12.49
        $8.99

        Sierra 18-2149 Shift Cable Guide This Sierra 18-2149 Shift Cable Guide is for use with Alpha and Bravo cables. For Mercruiser Stern Drives and Mercury Marine engines. Interchangeable with: GLM 21430 Mallory 9-72150 Mercruiser Stern...

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      • Sierra 18-2430-9 Gasket Drain Screw (Priced Per Pkg Of 5)
        $18.49
        $13.99

        Sierra 18-2430-9 Gasket Drain Screw (Pkg Of 5) Used with: 3/8-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/B gearcases Rubber coated, stainless steel washer Forms a tear resistant gearcase drain screw seal Package of...

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      • Sierra 18-2161 Shift Arm Replaces 45518A3
        $39.99
        $27.99

        Sierra 18-2161 Shift Arm for Mercruiser Stern Drives Sierra high-quality engine parts are designed to meet OEM specifications.  Fits MC-I, R, MR, Alpha One & Gen II Interchangeable with: GLM 21140 Mallory 9-72153 Mercruiser...

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      • Gear Lube Bottle Kit, Mercury - Mercruiser 806193A48
        $156.99
        $136.49

        Mercury - Mercruiser 806193A48 Gear Lube Bottle Kit Mounts on inner transom, connecting internally to the upper driveshaft housing. Includes low gear lube warning sensor that connects to the engine audio warning system. Warning feature requires that the...

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      • Mercury - Mercruiser 30-879194A01 Gimbal Bearing Kit
        $222.49
        $139.99

        Mercury - Mercruiser 30-879194A01 Gimbal Bearing Kit Genuine OEM Mercury - Mercruiser part. Replacement gimbal bearing kit for Mercruiser Stern Drives. Fits: Alpha One (Gen II) 1998 & up - s/n 0L100040 & up Bravo One, Bravo Two, Bravo Three...

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      Mercruiser OEM Engine Parts Finder

      MerCruiser Gearcase

      Shims, yokes, and spools may throw your head in a whirl. Just the idea of “gearcase” is an intimidating one, especially for newer boaters and those just taking on the do-it-yourself route. You’ve made a wise choice with your MerCruiser engine, but are now hoping to perform preventative maintenance or repair a busted part. Wholesale Marine has all that you need for your MerCruiser gearcase for pre-Alpha, Alpha, and Bravo drives.

      Shop for Your MerCruiser Gearcase and Drive Part Needs

      Whether a pro boater or a casual weekend cruiser, your MerCruiser gearcase needs attention from time to time. The delicate intricacies of the gearcase are not to be taken lightly, and we recommend referring to your engine’s manual, manufacturer’s website, or a number of other resources as you diagnose or update your boat’s engine. Once you know what you are looking for, we strive to make it as easy as possible to locate it, beginning with our Parts Selection Guide. You can depend on Wholesale Marine to provide high quality Mercury outboard parts and Mercury sterndrive parts from the top brands in the industry. We offer a wide array of MerCruiser gearcase components. Both upper and lower gear housing seal kits are offered, each one meeting OEM standards and including all that you need. Upper unit gears, shift spools, replacement drives, shims, O-rings, and seals make this an excellent comprehensive site for all of your MerCruiser gearcase needs.

      Whether an engine expert or a newer novice, we want to assist you in your MerCruiser gearcase journey. We have a highly-trained team full of experienced boaters who have been in your shoes and can help you choose the right part from the get-go. We are here Monday through Friday, 9:00 AM to 6:00 PM EST, at (877) 388-2628 to help you narrow down your search and select just the right part for the job. Our Captain’s Club Rewards Program, shipping perks, and price match guarantee are added bonuses to ensure each and every customers’ satisfaction. Remember you can always depend on Wholesale Marine for high quality Mercury outboard parts and Mercury sterndrive parts from the top brands in the industry. So plan to call us for all your boating needs today!