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      Mercruiser Gearcase & Drive Parts Product Listings

      • Quicksilver OEM MerCruiser Hinge Pin Tool 78310
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        $32.49
        $28.49

        Quicksilver OEM MerCruiser Hinge Pin Tool 78310 This OEM hinge pin tool is designed to remove and install hinge pins from all MerCruiser drive units. Replaces: Sierra 18-9861 Mallory 9-79805 GLM 90200 Pro...

      • Sterndrive Engineering Repl Lower Unit Merc Alpha One GenII
        $1,529.99
        $1,274.99

        Sterndrive Engineering Replacement Lower Unit Mercruiser Alpha One Gen II Sterndrive Engineering manufactures direct replacement lower units for Mercruiser Alpha One Gen II sterndrives from 1991 to present. These units come with a 3-year No-Fault...

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      • Sierra 18-2002 Oil Seal Replaces91252-ZW1-003
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        $15.59
        $12.19

        Sierra 18-2002 Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. Features: O.D.: 1.692" Shaft Size: 1.188" Width: 0.250" Interchangeable With: Chrysler/Force/US Marine 26-76868 GLM 85130 Honda...

      • Sierra 18-2599 Face Seal And Tool Replaces 26-816575A2
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        $8.89
        $6.89

        Sierra 18-2599 MerCruiser Alpha 1 Gen II Face Seal & Tool Sierra high-quality engine parts are designed to meet OEM specifications. Fits MerCruiser Stern Drives and Mercury Marine engines. Fits Alpha One Gen II drives Interchangeable...

      • Sierra 18-2652 Lower Unit Seal Kit Replaces 26-33144A2
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        $78.99
        $56.89

        Sierra 18-2652 MerCruiser Lower Unit Seal Kit Sierra high quality aftermarket parts are manufactured to meet or exceed OEM requirements. Fits: #1 Drives through Alpha 1963 - 1989 S/N 164188 & Up Interchangeable...

      • Sierra 18-21005 Gimbal Bearing Replaces 32-45973
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        $126.09
        $90.79

        Sierra 18-21005 MerCruiser Alpha One Gen II & Bravo Gimbal Bearing Sierra high-quality gimbal bearings are greasable and fit all Bravo, and Alpha One Gen II (1998 & up). Interchangeable With: Mallory 9-72412 MerCruiser Stern...

      • Sierra 18-2760 MerCruiser Alpha One Gen I & Bravo Exhaust Tube Replaces 78458A1
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        $71.89
        $56.09

        Sierra 18-2760 MerCruiser Alpha One Gen I & Bravo Exhaust Tube Replaces 78458A1 This Sierra exhaust tube is designed to fit MerCruiser Alpha One Gen I & Bravo I, II, & III drives. This kit comes with the exhaust tube as well as a hose clamp...

      • 87-12886A-6
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        $32.39
        $26.99

        Quicksilver 12886A6 Oil Tank Switch Assembly For Mercury & Mariner Outboards Quicksilver Oil Sensor Switch 12886A6 is a precision replacement designed to help protect your Mercury and Mariner 2-stroke outboards by monitoring oil levels and ensuring...

      • Sierra 18-8212 MerCruiser Bravo Bellows Seal Kit Replaces 8M0095485
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        $469.09
        $337.79

        Sierra 18-8212 MerCruiser Bravo Bellows Seal Kit Replaces 8M0095485 This Sierra bellows seal kit is designed for use with MerCruiser Bravo drives.  Features: Fits MerCruiser Bravo I, Bravo II, & Bravo III drives from 1988-1998 with serial...

      • Sterndrive Engineering Repl Mercruiser Drive Alpha One GenII - Upper/Lower Together
        $2,699.99
        $2,249.99

        Sterndrive Engineering Replacement MerCruiser Drive Alpha One Gen II The MerCruiser Alpha One Gen II sterndrive combines inboard and outboard propulsion technology for boats with engines up to 300 HP. Introduced in 1991, this replacement drive is...

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      • Mercury - Mercruiser 26-42077 Seal Image
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        $10.49
        $9.99

        Mercury-MerCruiser 26-42077 Swivel Tube Seal The Mercury-MerCruiser 26-42077 Swivel Tube Seal is a replacement sealing component for compatible Mercury and MerCruiser applications. This seal is used where part number 26-42077 is specified by the...

      • Sierra 18-2097 U-Joint Permalube Replaces 805536A2
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        $117.59
        $84.69

        Sierra 18-2097 U-joint for MerCruiser Alpha Generation 2 Stern Drives Sierra high quality parts are designed to meet OEM specifications. Features permalube and fits MerCruiser Generation II drives (0F680000 & Up). Interchangeable...

      • Mercury - Mercruiser 25-62702-1 O Ring
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        $1.49

        Mercury - Mercruiser 25-62702-1 O Ring Genuine OEM Mercury-Mercruiser part. This item supersedes 25-62702

      • Sierra 18-2171 Engine Coupler Replaces 76850A2
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        $354.59
        $255.29

        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...

      • Sierra 18-4442 Engine Alignment Tool Replaces 91-805475A1
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        $201.09
        $156.79

        Sierra 18-4442 MerCruiser Alpha One Engine Alignment Tool Used to Verify Engine Alignment On: All MC-I, R-MR, Alpha 1, Alpha One/Gen 2 drives All Bravo drives All OMC Cobra drives Interchangeable With: MerCruiser...

      • Sierra 18-9806E Shift Cable Tool
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        $51.19
        $39.89

        Mercruiser Shift Cable Tool by Sierra Installs and removes shift cables on Mercruiser MC-1, R-MR, Alpha One, Alpha One/Gen Two drive units. Use with 18-2190 and 18-2190E cables. Interchangeable with: Mercruiser Stern...

      • Wear Pad Kit, Mercury - Mercruiser 805261A-1
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        $31.49
        $27.49

        Mercury-MerCruiser 805261A1 Wear Pad Kit The Mercury-MerCruiser 805261A1 Wear Pad Kit is a replacement service kit for compatible Mercury and MerCruiser applications. This kit is used where part number 805261A1 is specified by the Mercury-MerCruiser...

      • EMP 27-02386 MerCruiser Outdrive Gasket Kit
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        $10.07
        $8.39

        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...

      • Sterndrive Engineering SE106 Replacement Mercruiser Drive
        $2,459.99
        $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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      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!