Mercruiser Gearcase & Drive Parts

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Parts Selection Guide

Find the parts you need

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Prop Selection Guide

Find the right prop for your boat

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      • Sierra 18-2322 Shift Shaft Replaces 621041
        $75.49
        $52.99

        Sierra 18-2322 Mercruiser Shift Shaft Sierra high-quality engine parts are designed to meet OEM specifications. For 1 and Alpha 1 Drives. Interchangeable with: GLM 21421 Mercruiser Stern Drive 621041 62104  

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      • Quicksilver OEM MerCruiser Exhaust Bellows 8M0124227
        $44.99
        $37.49

        Quicksilver OEM MerCruiser Exhaust Bellows 8M0124227 This OEM exhaust bellows is designed for use with MerCruiser drives. Application Info: Fits MerCruiser Alpha One Gen I drives from 1983-1991 with serial numbers 06225577 thru 0D469858 Fits...

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      • Sierra 18-21005K Seal & Bearing Kit
        $117.49
        $88.99

        Sierra 18-21005K Seal & Bearing Kit Sierra replacement greasable seal and bearing kit for Mercruiser Stern Drives. Sierra replacement engine parts are manufactured to meet or exceed OEM requirements. Includes gimbal bearing and oil seal. Fits: Gen...

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      • Sierra 18-2190E Shift Cable Replaces 865436A02
        $205.99
        $143.99

        Sierra 18-2190E Xtreme Shift Cable for Mercruiser - Aft Installation The Sierra Xtreme Shift Cable is for AFT installation into bell housing. This cable is for use in applications using core wire with armored strand construction (no support tube). Key...

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      • Mercury - Mercruiser 8M0176524 Shift Cable Assembly
        $133.19
        $110.99

        Mercury - Mercruiser 8M0176524 Shift Cable Assembly Genuine OEM Mercury-Mercruiser part. Replacement Mercruiser shift cable assembly. Fits: MC‑I, R, MR, Alpha One & Gen II (1978 & newer) Supersedes: 865436A02, 66069A-2

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      • Quicksilver OEM MerCruiser Bravo U-Joint Bellows 8M0062406
        $137.99
        $114.99

        Quicksilver OEM MerCruiser Bravo U-Joint Bellows 8M0062406 This OEM u-joint bellows is designed for use with MerCruiser Bravo drives and comes with a clamp. Application Info: Fits MerCruiser Bravo I, Bravo II, Bravo III drives from 1988-1998 with...

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      • Sierra 18-2303 Anchor Screw Set Replaces 10-20518
        $1.49
        $0.94

        Sierra 18-2303 Mercruiser Anchor Screw Set Sierra high-quality engine parts are designed to meet OEM specifications. For: #1R, MR, Alpha, Alpha I, Gen II & Bravo Drives Interchangeable with: GLM 21433 Mallory 9-72164 Mercruiser Stern...

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      • Sierra 18-8205 MerCruiser Alpha One Gen I Bellows Seal Kit Replaces 803098T1
        $292.99
        $222.99

        Sierra 18-8205 MerCruiser Alpha One Gen I Bellows Seal Kit Replaces 803098T1 This Sierra bellows seal kit is designed for use with MerCruiser Alpha One Gen I drives with exhaust tubes. This bellows kit comes with a greasable gimbal bearing. Application...

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      • Sierra 18-2248 Shift Cable Assembly Replaces 73723A01
        $97.49
        $68.49

        Sierra 18-2248 Mercruiser Shift Cable Assembly Mercruiser #1 Drives S/N 1562900-6225576 for forward installation into bell housing. Has new style armored strand construction. (No support tube) 54" conduit with hardware package. Fits IA/IB/IC,...

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      • Sierra 18-1711 U-Joint Cross Bearing Replaces 862132T
        $204.49
        $142.99

        Sierra 18-1711 Mercruiser U-Joint Cross Bearing Sierra high-quality engine parts are designed to meet OEM specifications. For Bravo One, Two, & Three (All Ratios), Bravo One X/Two X, Three X (All Ratios) For Bravo One XR/XZ (All Ratios), Bravo...

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      • Sierra 18-2645 Lower Unit Seal Kit Replaces 26-76868A04
        $159.99
        $100.99

        Sierra 18-2645-1 Mercruiser Lower Unit Seal Kit Sierra high-quality engine parts are designed to meet OEM specifications. Features all new and enhanced oil seals/o-rings for Bravo III drive compatibility. Matched to exceed OE form/fit/function...

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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!