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      Mercruiser Gearcase & Drive Parts Product Listings

      • Sierra 18-21005K Seal & Bearing Kit
        $127.99
        $99.99

        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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      • Mercruiser 26-88397A-1 Alpha One Gen II Upper Seal Kit
        $50.99
        $44.49

        Quicksilver 26-88397A-1 Alpha One Gen II Upper Seal Kit Maintain your MerCruiser sterndrive’s performance with the Genuine OEM Quicksilver 88397A1 Driveshaft Housing Seal Kit. Specifically made for Alpha One Gen II models from 2004 and newer, it...

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      • Sierra 18-8205 MerCruiser Alpha One Gen I Bellows Seal Kit Replaces 803098T1
        $319.99
        $249.49

        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 18-2303 Anchor Screw Set Replaces 10-20518
        $1.49

        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 18-1711 U-Joint Cross Bearing Replaces 862132T
        $222.99
        $160.49

        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 18-2248 Shift Cable Assembly Replaces 73723A01
        $106.49
        $76.99

        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 18-2145 Shift Cable Replaces 865437A02
        $168.99
        $121.99

        Sierra 18-2145 Shift Cable for Mercruiser Bravo Drives Sierra replacement shift cable fits Mercruiser Bravo Drives.  Interchangeable with: GLM 21711 Mallory 9-72156 Mercruiser Stern...

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      • Mercury - Mercruiser 8M0176523 Cable Assy-Shift
        $182.39
        $151.99

        Quicksilver 8M0176523 Shift Cable Assembly Genuine Quicksilver Lower shift cable 8M0176523 is for MerCruiser Bravo sterndrives. These cables are built for long life and maximum performance in all weather conditions to below 0°F. They employ layered...

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      • Sierra 18-2645 Lower Unit Seal Kit Replaces 26-76868A04
        $174.49
        $113.49

        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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      • EMP 10-02683 Mercury MerCruiser Drain Screw
        $6.71
        $5.59

        EMP 10-02683 Mercury MerCruiser Drain Screw This drain screw gasket is intended for use with Mercury & MerCruiser applications and meets all OEM requirements. Drain Screw Application: For Mercury/Mariner 1988 & later 2-Cyl 18-40HP; 3-Cyl...

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      • Sierra 18-2145E MerCruiser Bravo Shift Cable Replaces 865437A02
        $254.49
        $182.99

        Sierra 18-2145E MerCruiser Bravo Shift Cable For Use On: Bravo One, Two, & Three (All Ratios) Bravo One X/Two X, Three X (All Ratios) Bravo One XR/XZ(All Ratios) Bravo One XR Sportmaster (All Ratios) & Integrated...

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      • O Ring, Mercury - Mercruiser 25-805331
        $1.99

        Mercruiser 25-805331 Bearing Carrier O-Ring Genuine OEM Mercury - Mercruiser part. Replacement bearing carrier O-ring for Mercruiser sterndrives. Application: Bravo III (1988 - 2021) s/n 0B664190 and up Bravo III X (2000 - 2021) s/n 0M100001 and...

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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!