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      Mercruiser Gearcase & Drive Parts Product Listings

      • Quicksilver OEM MerCruiser Bellows Clamp 54-8M0204733
        $6.49
        $5.99

        Quicksilver OEM MerCruiser Bellows Clamp 54-8M0204733 This genuine OEM part is designed for use with MerCruiser bellows. This bellows clamp supersedes 54-866507. Application Info: MerCruiser Alpha One Gen I from 1983-1990 serial numbers 06225577 thru...

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      • Sierra 18-6352 Upper Gear Kit
        $294.19
        $211.79

        Gen II & Vazer (1.94:1 & 2.40:1 Ratios) Upper Gear Set For Alpha Gen II and Vazer 1.94:1 and 2.40:1 Ratios (20 - 24 Teeth) Used with 18-2411 Drive Shaft Housing Assembly and 18-2419 Complete Upper Gear Case Replaces: Mercury 43-853642A 2 GLM 11244

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      • Mercruiser 43-853640A-2 Upper Gear Set - 1.62/2.0
        $594.49
        $499.49

        Mercruiser 43-853640A-2 Upper Gear Set - 1.62/2.0 Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) 24-24 Teeth 1.62 & 2.00 Ratio .Special Order Item: This product is ordered specifically...

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      • Mercury - Mercruiser 25-45254 O Ring
        $1.99

        Mercury - Mercruiser 25-45254 O Ring  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 3.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with...

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      • Quicksilver 27-94996Q2 Gasket Kit Image
        $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 & newer). Made from durable gasket, seal, and o-ring...

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      • Sierra 18-0526 Oil Seal
        $20.19
        $15.69

        Sierra 18-0526 Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. O.D.: 1.379" Shaft Size: 0.750" Width: 0.256" Interchangeable with: GLM 85800 Mercruiser Stern Drive 26-48443

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      • Sierra 18-1159 Tapered Roller Bearing
        $45.89
        $33.09

        Sierra 18-1159 Tapered Roller Bearing Sierra replacement tapered roller bearing for Mercury and Mercruiser engines. Interchangeable with: GLM 21590 Mallory 9-75120 Mercruiser Stern Drive 31-35928T1 31-35928A1 Mercury...

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      • Sierra 18-2077 Oil Seal
        $19.79
        $14.19

        Sierra 18-2077 Oil Seal O.D.: 1.689" or 43mm Shaft Size: 1.188" or 30.2mm Width: 0.247" or 6.3mm Interchangeable with: Chrysler/Force/US Marine 26-F697555 GLM 85130 Mallory 9-76119 Mercruiser Stern...

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      • Sierra 18-2160 Shift Cable Support Tube
        $15.29
        $10.99

        Sierra 18-2160 Shift Cable Support Tube Sierra replacement shift cable support tube for Mercruiser Stern Drives. Fits MC-I, R, MR & Alpha One Use with: 18-2157 Shift Cable Assembly 18-2158 Shift Cable Assembly 18-2159 Inner Shift...

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      • Mercruiser Gen II Replacement Upper Unit 1.47
        $1,409.99
        $1,174.99

        Sterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.47 Ratio For Mercruiser Alpha One Gen II Sterndrives 1991 - Present. SE116 1.47 Ratio also replaces the 1.5 Ratio Click to Download Sterndrive Engineering SE116...

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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!