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      Mercruiser Gearcase & Drive Parts Product Listings

      • Mercury - Mercruiser 26-816575A-3 Gear Housing Seal Kit
        $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 - s/n 0D469859 thru 0F679999 Special Order...

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      • Sierra 18-1404 Mercruiser Bearing Repair Kit
        $199.99
        $159.99

        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 seals/bearings/o-rings for exact OE Fit OE Quality manufactured...

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      • Sierra 18-2011 Oil Seal
        $16.99
        $12.99

        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 with: GLM 85080 Mallory 9-76107 Mercruiser Stern...

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      • Sierra 18-3754 Cable Anchor
        $11.99
        $10.49

        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 One, Gen II & Bravo Drives Interchangeable...

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      • EMP 27-00609 MerCruiser Outdrive Mounting Kit
        $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 1998-2009 Bravo, Bravo X, & Bravo XR...

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      • Mercury - Mercruiser 25-8M0214926 O Ring
        $2.49

        Mercury - Mercruiser 25-8M0214926 O Ring Genuine OEM Replacement Engine Part Sold in intervals of 10 Supersedes 25-33504 Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm...

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      • EMP 27-00300 MerCruiser Outdrive Mounting Kit
        $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 1974-1982 MC-1...

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      • CLEARANCE
        Mercury - Mercruiser 25-23145 O Ring
        $1.99

        Mercury - Mercruiser 25-23145 O RingSpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics Guide before...

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      • Mercury - Mercruiser 26-66301 Seal
        $20.99
        $17.99

        Mercury - Mercruiser 26-66301 Seal @5 Pack This is a genuine OEM repalcement Seal sold in quantities of 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your...

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      • Sierra 18-2173 Engine Coupler Replaces 59726A3
        $429.59
        $300.69

        Sierra 18-2173 Mercruiser Ford Engine Coupler Sierra replacement engine coupler for MCM Ford 225, 233 & 888 engines. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Interchangeable...

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      • Coupling Assy, Mercury - Mercruiser 12632A-6
        $393.99
        $346.99

        Mercury - Mercruiser 12632A-6 Coupling Assembly Genuine OEM Mercury - Mercruiser part. Fits: MCM 3.0L/LX (1994‑1998) Triangular shape Flywheel mount .Special Order Item: This product is ordered specifically for your application. To help ensure...

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

        Mercury - Mercruiser 27-64818Q-4 Gasket Kit This 5-piece Bell Housing Installation Gasket Kit is designed for MerCruiser MC drives, providing all the necessary gaskets to ensure a proper seal when replacing or installing the bell housing. Replacing all...

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      • EMP 61-08399 MerCruiser Alpha Bellow Service Kit
        $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 Application: For 1991 & later Alpha One & Alpha Gen II...

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      • Mercruiser 18643A7 Engine Coupler Kit
        $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 Mag Alpha Triangular shape, flywheel...

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      • Mercury - Mercruiser 8M0111178 Seal
        $124.19
        $103.49

        Mercury - Mercruiser 8M0111178 Seal Genuine OEM Mercury-Mercruiser part. .  Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 8M0169040 Sterndrive Bearing Retainer
        $41.99
        $36.99

        Mercury - Mercruiser 8M0169040 Retainer-Bearing Genuine OEM Mercury-Mercruiser part. Replacement bearing retainer for Mercruiser Sterndrives. Fits: Vazer Transom - s/n 0W755000 & up Vazer Drive - s/n 0W995000 & up R/MR/Alpha One (Sterndrive)...

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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!