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      Mercruiser Gearcase & Drive Parts Product Listings

      • Quicksilver 26-76868A04 Gear Housing Seal Kit Image
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        $161.99
        $142.49

        Quicksilver 26-76868A04 Seal Kit Quicksilver 76868A04 Gear Case Seal Kit is a genuine replacement seal kit designed for select MerCruiser Bravo sterndrives. This kit provides the necessary sealing...

      • Sierra 18-1155 Ball Bearing
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        $63.49
        $49.49

        Sierra 18-1155 Ball Bearing Fits IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One & Gen II Interchangeable with: GLM 21620 Mallory 9-75114 Mercruiser Stern Drive 30-35914 30-17927 30-88957A1...

      • Mercury - Mercruiser 27-840940 Gasket
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        $51.49
        $43.49

        Mercury - Mercruiser 27-840940 Gasket  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure...

      • Mercruiser 26-16709A-2 Driveshaft Housing Seal Kit
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        $140.49
        $123.99

        Mercruiser 26-16709A-2 Driveshaft Housing Seal Kit Genuine OEM Mercury - Mercruiser driveshaft housing seal kit. Fits: Bravo I, II, III, X, XR & XZ Special Order Item.

      • Mercury - Mercruiser 26-816575A-3 Gear Housing Seal Kit
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        $166.49
        $104.99

        Mercruiser 26-816575A-3 Alpha One Gen II Gear Housing Seal Kit Genuine OEM Mercury - Mercruiser part. Application: Alpha One (Gen II) 1998 & up - s/n 0L100040 & up Alpha One (Gen II) 1991 - 1995 -...

      • Mercruiser 8M0098795 Engine Coupler Assembly
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        $893.39
        $744.49

        Mercury - Mercruiser 8M0098795 Engine Coupler Assembly Genuine OEM Mercury-Mercruiser part. Fits: MCM 4.5L MPI, 6.2L MPI (Mercury) & GM V‑8 engines with Bravo drive Round shape Flywheel mount ...

      • Sierra 18-1404 Mercruiser Bearing Repair Kit
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        $207.59
        $166.09

        Sierra 18-1404 Mercruiser Bearing Repair Kit Sierra bearing repair kit for Mercruiser Alpha I Gen II gearcases. Fits: All Alpha 1/Gen II Gearcases 1998 and Newer Features all...

      • Sierra 18-2011 Oil Seal
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        $17.29
        $13.49

        Sierra 18-2011 Oil Seal Sierra replacement oil seal for Mercruiser Stern Drives and Mercury Marine engines. O.D.: 1.250" Shaft Size: 0.750" Width: 0.312" Interchangeable...

      • EMP 27-00609 MerCruiser Outdrive Mounting Kit
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        $7.28
        $6.07

        EMP 27-00609 MerCruiser Outdrive Mounting Kit This outdrive mounting Kit is intended for use on MerCruiser engines and meets all OEM requirements. Outdrive Mounting Kit Application: For MerCruiser...

      • Mercury - Mercruiser 91-865232 Shift Slide Tool
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        $2.49

        Mercury-MerCruiser 91-865232 Shift Slide Stabilizer Tool The Mercury-MerCruiser 91-865232 Shift Slide Stabilizer Tool is a genuine OEM service tool used for compatible MerCruiser Alpha One Gen II...

      • Sierra 18-3754 Cable Anchor
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        $12.29
        $10.79

        Sierra 18-3754 Cable Anchor Sierra replacement cable anchor for Mercruiser Stern Drives. All Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. For R, MR, Alpha...

      • Quicksilver 27-94996Q2 Gasket Kit Image
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        $17.99
        $14.99

        Quicksilver 27-94996Q2 Bell Housing Gasket Kit The Quicksilver 94996Q2 Bell Housing Gasket Kit contains six gaskets for MerCruiser R, MR, and Alpha One Gen II drives (s/n 6225577 and above, 1983 &...

      • Mercury - Mercruiser 27-64818Q-4 Gasket Kit Image
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        $12.99
        $11.99

        Quicksilver 27-64818Q4 Bell Housing Installation Gasket Kit The Quicksilver 27-64818Q4 Bell Housing Installation Gasket Kit is a genuine replacement 5-piece gasket kit for select MerCruiser MC...

      • EMP 27-00300 MerCruiser Outdrive Mounting Kit
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        $7.28
        $6.07

        EMP 27-00300 MerCruiser Outdrive Mounting Kit This outdrive mounting Kit is intended for use on MerCruiser engines and meets all OEM requirements. Outdrive Mounting Kit Application: For MerCruiser...

      • EMP 61-08399 MerCruiser Alpha Bellow Service Kit
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        $297.60
        $248.00

        EMP 61-08399 MerCruiser Alpha Bellow Service Kit Replaces 803099T1 This bellow service kit is intended for use on MerCruiser engines and meets all OEM requirements. Bellow Service Kit...

      • Mercruiser 18643A7 Engine Coupler Kit
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        $670.99
        $563.49

        Mercruiser 18643A7 Engine Coupler Kit Genuine OEM Mercury-Mercruiser part. Replacement engine coupler kit for Mercruiser stern drives. Fits: MCM GM V‑6 & V‑8 (305 & 350 cid) engines (1983‑1993) & 454...

      • Mercury - Mercruiser 26-8M0033407 Seal
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        $87.99
        $76.99

        Mercury - Mercruiser 26-8M0033407 Seal Genuine OEM Mercury-Mercruiser part. Special Order ItemSpecial Order Quicksilver Information: Additional Handling Time: Item transfers from an alternate...

      • Mercury - Mercruiser 805536A-2 Cross & Bearing Image
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        $127.19
        $105.99

        Quicksilver 805536A-2 Cross & Bearing Quicksilver 805536A2 Cross and Bearing Kit is designed for select MerCruiser Alpha One Gen II sterndrives. This driveshaft U-joint repair kit helps restore...

      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 Wholesale 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!