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      Mercruiser Gearcase & Drive Parts Product Listings

      • Mercury - Mercruiser 26-8M0045622 Seal
        $116.49
        $102.49

        Mercury - Mercruiser 26-8M0045622 Seal  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 with...

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      • Mercury - Mercruiser 31-32536 Bearing
        $4.99

        Mercury - Mercruiser 31-32536 BearingSpecial 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 8M0043164 Seal
        $49.49
        $43.49

        Mercury - Mercruiser 8M0043164 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 Parts...

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      • Sierra 18-2151 Pivot Pin 7 1/2 Replaces 17-45738
        $71.99
        $58.49

        Sierra 18-2151 MerCruiser Pivot Pin Sierra high-quality engine parts are designed to meet OEM specifications. Use with 18-2701 bushing. Front: 7-1/2" Interchangeable with: GLM 21100 Mercruiser Stern Drive 17-45738  Special...

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      • Sierra 18-7160-9 O-Ring (Priced Per Pkg Of 5)
        $16.99
        $12.49

        Sierra 18-7160-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for Mercury and Mercruiser engines. I.D.: 2.635" or 67mm Width: 0.210" or 5.3mm Package of 5 Interchangeable with: GLM 83340 Mallory 9-76545 Mercruiser Stern...

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      • Mercruiser 864244A2 Bravo U-Joint Assembly
        $943.49
        $792.99

        Mercruiser 864244A2 Universal Joint Assembly Genuine OEM Mercury-Mercruiser part. Universal joint assembly for Bravo and Blackhawk. Application: Bravo I/II/III (1988 - 2002) - s/n 0B664190 - 0M111207 Bravo I/II/III (2002 & newer) - s/n 0M111208...

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      • Mercruiser 94993A12 Gimbal Ring Kit
        $1,455.99
        $1,222.99

        Mercruiser 94993A12 Gimbal Ring Kit Genuine OEM Mercury-Mercruiser part. Replacement gimbal ring kit with upper swivel shaft. Fits: R/MR/Alpha One Drives (1983-1990) Special Order Item: This product is ordered specifically for your application. To help...

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      • SEI Mercruiser Alpha One Replacement Upper Unit 1.81
        $1,359.00
        $1,132.50

        SternDrive Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.81 Ratio 1.81 Ratio also replaces 1.84 ratio For Alpha One Gen I Sterndrives (1972-1990) Comes with a 9-9/16" [new style] input yoke. 3 Year Manufacturer's...

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      • Mercruiser Alpha One Replacement Upper Unit 1.94
        $1,359.00
        $1,132.50

        Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.94 Ratio 1.94 ratio also replaces 1.98 ratio Comes with a 9-9/16" [new style] input yoke. 3 Year Manufacturer's Warranty 1983-1990 OE#: 9412A23 Item is subject to a 20% restocking fee...

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      • Mercruiser Gen II Replacement Upper Unit 1.94 / 2.40
        $1,409.99
        $1,174.99

        Sterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.94 / 2.40 Ratios For Mercruiser Alpha One Gen II Sterndrives 1991 - Present. SE116 1.94 ratio also replaces the 1.98 and 2.4 ratios Click to Download Sterndrive...

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      • Mercruiser 12632A7 Engine Coupler Kit
        $628.49
        $527.99

        Mercruiser 12632A7 Engine Coupler Kit Genuine OEM Mercury-Mercruiser part. Fits: MCM 120/2.5L & 140/3.0L (1987‑1993) Triangular shape Flywheel mount Special Order Item: This product is ordered specifically for your application. To help ensure...

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      • Mercury - Mercruiser 15-47397A-1 Shim Set
        $16.99
        $14.99

        Mercury - Mercruiser 15-47397A-1 Shim Set 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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      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!