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      Mercruiser Gearcase & Drive Parts Product Listings

      • Mercury - Mercruiser 98230A-1 Shaft Assy
        $434.49
        $364.99

        Mercury - Mercruiser 98230A-1 Shaft AssySpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics Guide before...

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      • Sierra 18-2015 Oil Seal
        $22.69
        $16.29

        Sierra 18-2015 Oil Seal O.D.: 1.250" Shaft Size: 0.750" Width: 0.250" Interchangeable with: GLM 85210 Mercruiser Stern Drive 26-23517 Mercury Marine 20250 26-23517

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      • Sierra 18-2166 Prop Shaft
        $627.09
        $451.49

        Sierra 18-2166 Mercruiser Prop Shaft For all #1 & MR/Alpha Units S/N 2791957 & above. Also for 165 (6 cyl.) S/N 2763442 & above. Interchangeable with: GLM 11150 11155 Mallory 9-72450 Mercruiser Stern...

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      • CLEARANCE
        Sierra 18-2205 Gear Set Replaces 43-55778A3
        $515.99
        $345.99

        Sierra 18-2205 Mercruiser 1.98:1 Upper Unit Gear Set For 1.98:1 Ratio Drives. Drive Gear = 20 teeth; Driven Gear = 24 teeth. For 120/140 (S/N 2791957 & UP) and Gen II (S/N K999999 & Below) Interchangeable with: GLM 11240 Mercruiser...

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      • Sierra 18-2283 Shim
        $24.79
        $17.89

        Sierra 18-2283 Shim Set Sierra replacement shim for Mercruiser Stern Drives. Size: (1) each .002, .003, .005, .010 Interchangeable with: GLM 23260 Mercruiser Stern Drive 15-45691A1

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      • Sierra 18-2320 Shift Shaft
        $77.89
        $56.09

        Sierra 18-2320 Mercruiser Shift Shaft Sierra replacement shift shaft for Mercruiser Stern Drives. For: Alpha One Gen II Interchangeable with: GLM 21031 Mallory 9-72477 Mercruiser Stern Drive 815919A1 8M0127949

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      • Sierra 18-7160-9 O-Ring (Priced Per Pkg Of 5)
        $17.49
        $12.59

        Sierra 18-7160-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for Mercury and Mercruiser engines. I.D.: 2.635" or 67mm Width: 0.210" or 5.3mm Package of 5 Interchangeable with: GLM 83340 Mallory 9-76545 Mercruiser Stern...

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      • Mercruiser 15-45691A-1 Shim Set
        $11.99
        $11.49

        Mercruiser 15-45691A-1 Shim Set Genuine OEM Mercruiser shim set. .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder...

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      • Mercury - Mercruiser 15-32563A-1 Shim Set
        $11.49
        $10.99

        Mercury - Mercruiser 15-32563A-1 Shim Set Genuine OEM Mercury - Mercruiser part. .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 15-888927-028 Shim .71Mm .028In
        $4.99
        $4.49

        Mercury - Mercruiser 15-888927-028 Shim .71Mm .028InSpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics...

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      • CLEARANCE
        Mercury - Mercruiser 15-97166 Shim
        $6.99
        $6.49

        Mercury - Mercruiser 15-97166 ShimSpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics Guide before...

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      • Mercury - Mercruiser 26-822647002 Seal
        $6.99
        $6.49

        Mercury - Mercruiser 26-822647002 Seal  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with...

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      • Mercury - Mercruiser 26-8M0045622 Seal
        $116.49
        $102.49

        Mercury - Mercruiser 26-8M0045622 Seal  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with...

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      • Mercury - Mercruiser 31-32536 Bearing
        $4.99

        Mercury - Mercruiser 31-32536 BearingSpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics Guide before...

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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!