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      Mercruiser Gearcase & Drive Parts Product Listings

      • Sierra 18-2359 Drive Shaft Nut Set
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        $10.39
        $9.79

        Drive Shaft Nut Set - Special Order est. 10 Days

      • Sierra 18-2847 Outdrive Gasket
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        $19.29
        $13.89

        Sierra 18-2847 Outdrive Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Fits 215E, 215H, TR and TRS drives. Interchangeable...

      • Mercury - Mercruiser 39-802559 Ring Set-Std
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        $167.99
        $147.99

        Mercury - Mercruiser 39-802559 Ring Set-Std Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse...

      • Quicksilver OEM MerCruiser Bellows Clamp 54-8M0204733
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        $6.29
        $4.39

        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...

      • Sierra 18-2130 Shift Crank
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        $103.99
        $74.89

        Shift Crank - Special Order est. 10 Days

      • Quicksilver 51100008P Mercruiser Alpha one Gen II Outdrive 1:47:1 Thumbnail Image
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        $3,300.59
        $2,750.49

        Quicksilver Mercruiser Alpha one Gen II Outdrive 1:47:1 Quicksilver 51100008P Complete Alpha One Gen II Sterndrive is a direct replacement drive designed for Quicksilver 350 MPI Alpha sterndrive...

      • Sierra 18-0526 Oil Seal
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        $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...

      • Sierra 18-1179 Tapered Roller Bearing Replaces 31-32575T
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        $17.59
        $13.79

        Sierra 18-1179 Mercruiser Tapered Roller Bearing Set Sierra Tapered Roller Bearing Set for Mercruiser Stern Drives. For Gen II SN: F680000 & UP, Mercruiser Vazer Interchangeable...

      • Sierra 18-2556 Drive Shaft Housing To Bell Housing Gasket Replaces 27-35996A1
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        $5.49
        $3.99

        Sierra 18-2556 Mercruiser Drive Shaft Housing to Bell Housing Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Fits IA/IB/IC & EZ Shift...

      • EMP 61-08397 MerCruiser Alpha Bellow Service Kit with Exhaust Bellow
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        $242.88
        $202.40

        EMP 61-08397 MerCruiser Alpha Bellow Service Kit with Exhaust Bellow Replaces 803097T1 This Bellow Service Kit is intended for use on MerCruiser engines and meets all OEM requirements. Bellow...

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

      • MerCruiser 5-5121300TP Alpha One Gen II 1.62 Standard Rotation Sterndrive
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        $4,601.39
        $3,834.49

        MerCruiser 5-5121300TP Alpha One Gen II 1.62 Standard Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen II (1998 & Up) outdrives with a 1.62 gear ratio, 0L100040 & Up Genuine...

      • Mercruiser 864281A2 U-Joint Assembly
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        $889.49
        $746.99

        Mercruiser 864281A2 U-Joint Assembly Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (s/n 0L100040 and above) (1998 & newer) and Vazer Special Order Item: This product is ordered...

      • Mercury - Mercruiser 25-45254 O Ring
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        $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...

      • Mercury - Mercruiser Fk1203-1 Seal Kit
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        $114.49
        $99.49

        Mercury-MerCruiser FK1203-1 Seal Kit The Mercury-MerCruiser FK1203-1 Seal Kit is a genuine OEM replacement seal kit for compatible 90 HP applications. This kit is designed to replace the original...

      • Sierra 18-1159 Tapered Roller Bearing
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        $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...

      • Sierra 18-2077 Oil Seal
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        $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...

      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!