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      Mercruiser Gearcase & Drive Parts Product Listings

      • Mercury - Mercruiser 12-8M0050432 Shim-.036
        $26.49
        $22.99

        Mercury - Mercruiser 12-8M0050432 Shim-.036  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 12-8M0050433 Shim-.038
        $25.99
        $22.99

        Mercury - Mercruiser 12-8M0050433 Shim-.038  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 12-8M0050436 Shim-.044
        $30.99
        $27.49

        Mercury - Mercruiser 12-8M0050436 Shim-.044  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 12-8M0050437 Shim-.046
        $29.99
        $26.49

        Mercury - Mercruiser 12-8M0050437 Shim-.046  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 12-8M0050438 Shim-.048
        $26.99
        $23.99

        Mercury - Mercruiser 12-8M0050438 Shim-.048  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 15-845669 Shim-.015
        $7.49
        $6.99

        Mercury - Mercruiser 15-845669 Shim-.015  - Minimum Order Quantity 2.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 Parts...

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      • Mercury - Mercruiser 15-888927-034 Shim .86Mm .034In
        $4.99
        $4.49

        Mercury - Mercruiser 15-888927-034 Shim .86Mm .034InSpecial 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...

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      • Mercury - Mercruiser 15-8M0050169 Shim - 2.4
        $9.99
        $8.49

        Mercury - Mercruiser 15-8M0050169 Shim - 2.4  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 15-8M0050170 Shim -2.425
        $9.99
        $8.49

        Mercury - Mercruiser 15-8M0050170 Shim -2.425  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm...

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      • Mercury - Mercruiser 15-8M0050171 Shim -2.450
        $9.99
        $8.49

        Mercury - Mercruiser 15-8M0050171 Shim -2.450 Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with...

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      • Mercury - Mercruiser 15-8M0050172 Shim -2.475
        $9.49
        $7.99

        Mercury - Mercruiser 15-8M0050172 Shim -2.475  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm...

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      • Mercury - Mercruiser 15-8M0050173 Shim - 2.5
        $9.49
        $7.99

        Mercury - Mercruiser 15-8M0050173 Shim - 2.5  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 15-8M0050174 Shim -2.525
        $7.99
        $6.99

        Mercury - Mercruiser 15-8M0050174 Shim -2.525  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm...

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      • Mercury - Mercruiser 15-8M0050175 Shim -2.550
        $7.99
        $6.99

        Mercury - Mercruiser 15-8M0050175 Shim -2.550  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm...

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      • Mercury - Mercruiser 15-8M0050176 Shim -2.575
        $7.99
        $6.99

        Mercury - Mercruiser 15-8M0050176 Shim -2.575  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm...

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      • Mercury - Mercruiser 15-8M0050177 Shim - 2.6
        $9.49
        $7.99

        Mercury - Mercruiser 15-8M0050177 Shim - 2.6  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 15-8M0050178 Shim -2.625
        $7.99
        $6.99

        Mercury - Mercruiser 15-8M0050178 Shim -2.625  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm...

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      • Mercury - Mercruiser 15-8M0050179 Shim -2.650
        $14.49
        $11.99

        Mercury - Mercruiser 15-8M0050179 Shim -2.650 Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with...

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      • Mercury - Mercruiser 15-8M0050180 Shim -2.675
        $14.49
        $11.99

        Mercury - Mercruiser 15-8M0050180 Shim -2.675 Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 5.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with...

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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!