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      • Quicksilver OEM MerCruiser Bellows Adhesive 86166Q1 Thumbnail  Image
        $12.99
        $10.99

        Quicksilver OEM MerCruiser Bellows Adhesive 86166Q1 Quicksilver Bellows adhesive 86166A1 is for use on all MerCruiser sterndrive universal and exhaust bellows. Follow instructions on the package for best results. See your owner's manual or service...

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      • Sierra 18-2753-2 MerCruiser Shift Cable Bellows Replaces 74639A2
        $17.99
        $12.99

        Sierra 18-2753-2 MerCruiser Shift Cable Bellows Replaces 74639A2 This Sierra shift cable 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...

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      • Quicksilver 22-8M0058389 Magnetic Oil Plug Drain Kit Bottom Image
        $8.99
        $7.49

        Quicksilver 22-8M0058389 Magnetic Oil Plug Drain Kit Bottom Lower unit gear lube drain and fill hole screw and seal 8M0058389 is used with 3/8-16 drain/fill hole screw on all MerCruiser sterndrives, Mercury and Mariner outboards except the Verado series...

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      • Sierra 18-2614 Outdrive Gasket Set Replaces 27-64818Q4
        $7.49
        $5.99

        Sierra 18-2614 Outdrive Gasket Set Sierra replacement outdrive gasket set for Mercruiser Stern Drives. Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. Fits: MC-I drives (s/n 6225576 & below) (1967-1982) Set...

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      • Sierra 18-2750 MerCruiser Exhaust Bellows Replaces 8M0124227
        $36.99
        $25.99

        Sierra 18-2750 MerCruiser Exhaust Bellows Replaces 8M0124227 This Sierra 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...

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      • Mercury OEM MerCruiser Alpha Bell Housing Gasket Kit
        $19.19
        $15.99

        Mercury OEM MerCruiser Alpha Bell Housing Gasket Kit 94996T2  This genuine OEM MerCruiser gasket kit is for use with Alpha drives. This 6 piece gasket set contains all tou need to install your bell housing. This helps protect your system and...

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      • Sierra 18-2174 U-Joint Replaces 75832T1
        $67.99
        $51.99

        Sierra 18-2174 Heavy Duty U-Joint Cross and Bearing Sierra replacement heavy duty u-joint includes both a straight and a 90 degree grease fitting. Fits: Alpha I Units s/n B418819 & Above, also fits Alpha I SS & Bravo Interchangeable...

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      • Sierra 18-2100 Gimbal Bearing Replaces 30-879194A02
        $79.99
        $59.99

        Sierra 18-2100 Heavy Duty Gimbal Bearing Sierra replacement heavy duty gimbal bearing. Sierra engine parts are manufactured to meet or exceed OEM requirements. Key Features: Link Belt Greasable Fits all OMC, Cobra, and King Cobra...

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      • Sierra 18-2648 Upper Unit Seal Kit Replaces 26-32511A1
        $30.99
        $21.99

        Sierra 18-2648 Upper Unit Seal Kit Sierra replacement upper unit seal kit for Mercruiser Stern Drives. Sierra replacement engine parts are manufactured to meet or exceed OEM requirements. For: #1 Units (Including Alpha) (Also fits 888 stern drive)...

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      • Sierra 18-2615 Outdrive Gasket Set Replaces 16755Q1
        $6.99
        $5.49

        Sierra 18-2615 Mercruiser Bravo Outdrive Gasket Set Sierra high-quality replacement engine parts are designed to meet OEM specifications. For All Bravo Outdrives. Interchangeable with: GLM 39640 Mallory 9-62604 Mercruiser Stern...

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      • Sierra 18-2190 Shift Cable Replaces 865436A02
        $94.99
        $66.99

        Sierra 18-2190 MerCruiser Aft Installation Shift Cable Sierra high-quality parts are designed to meet OEM specifications. Mercruiser 1 drives s/n 6225577 & Up for AFT installation into bell housing For use in applications using core wire with...

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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!