Mercruiser Gearcase & Drive Parts

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Parts Selection Guide

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      • Sierra 18-2617 Outdrive Gasket Set Replaces 27-35996A1
        $13.99
        $10.49

        Sierra 18-2617 Mercruiser Outdrive Gasket Set For Old Style Outdrives 1A/1B/1C And EZ Shift 1964-1966 Kit Includes: (1) 18-2556 Drive Shaft Housing To Bell Housing Gasket (1) 18-2840 Bell Housing Gasket (1) 18-7153 O-Ring (1) 18-7170...

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      • Sierra 18-3719 Pinion Nut Replaces 11-35921
        $5.49
        $3.99

        3/8" (18mm) Pinion Nut for Mercury, Mercruiser, OMC 3/8"-18mm Replaces: OMC - 0314730 Mallory - 9-78013 GLM - 11190 Pro Marine - 18-3719 Sterndrive Engineering - 98-102-37 Mercury 11-35921  

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      • Sierra 18-7157 O-Ring
        $4.99
        $3.49

        Sierra 18-7157 O-Ring I.D.: 3.500" or 88.9mm Width: 0.210" or 5.3mm Interchangeable with: GLM 83410 Mallory 9-76542 Mercruiser Stern Drive 25-29976 Mercury Marine 25-29976

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      • EMP 94-00801 MerCruiser/Volvo U-Joint
        $59.03
        $49.19

        EMP 94-00801 MerCruiser/Volvo/OMC U-Joint This U-joint is intended for use on MerCruiser, Volvo, OMC engines and meets all OEM requirements. U-Joint Application: For MerCruiser 1962-1998 1-Drive (s# 1684188-0B418818), MC-2/TR/TRS, Alpha One & SSM...

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      • Sierra 18-3752 Retaining Nut Replaces 8168112
        $36.49
        $27.49

        Sierra 18-3752 Mercruiser Drive Shaft Housing Retaining Nut Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser Stern Drives. Interchangeable with: GLM 28350 Mallory 9-72154 Mercruiser Stern...

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      • Sierra 18-7321 MerCruiser Bellows Clamp Replaces 8M0204733
        $0.96
        $0.73

        Sierra 18-7321 MerCruiser Bellows Clamp Replaces 8M0204733 Sierra high-quality replacement bellows clamp for use on Mercruiser Stern Drives. Application Info: Fits Alpha One Gen I from 1983-1990 with serial numbers 06225577 thru 0D469858 Fits Alpha...

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      • Sterndrive Engineering Repl Lower Unit Mercruiser Bravo One
        $1,783.80
        $1,486.50

        Sterndrive Engineering Repl Lower Unit Mercruiser Bravo One It can be modified to back fit 1988 - 1991 90-121-02 has a side water pick up 90-122-02 has a side and low water pick up Item is subject to a 20% restocking fee (Boat Covers, Bimini...

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      • Sierra 18-1155 Ball Bearing
        $54.99
        $41.99

        Sierra 18-1155 Ball Bearing Fits IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One & Gen II Interchangeable with: GLM 21620 Mallory 9-75114 Mercruiser Stern Drive 30-35914 30-17927 30-88957A1 30-88957 30-88957T Mercury Marine 30-88957T 30-88957...

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      • Sierra 18-2172 Engine Coupler Replaces 14505A2
        $468.99
        $327.99

        Sierra 18-2172 Engine Coupler Sierra replacement engine coupler for Mercruiser Stern Drives. All Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Fits: MCM GM V-6 & V-8 (305 & 350 cid)...

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      • EMP 94-01821 MerCruiser/Volvo U-Joint
        $57.59
        $47.99

        EMP 94-01821 MerCruiser/Volvo/OMC U-Joint This u-joint is intended for use on MerCruiser, Volvo, & OMC engines and meets all OEM requirements. U-Joint Application: For MerCruiser 1982-1998 R/MR/Alpha One, Alpha One-SS, Bravo, Blackhawk, & SSM...

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      • Mercruiser 8M0098795 Engine Coupler Assembly
        $858.59
        $715.49

        Mercury - Mercruiser 8M0098795 Engine Coupler Assembly Genuine OEM Mercury-Mercruiser part. Fits: MCM 4.5L MPI, 6.2L MPI (Mercury) & GM V‑8 engines with Bravo drive Round shape Flywheel mount Special Order Item

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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!