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      Mercruiser Gearcase & Drive Parts Product Listings

      • Sierra 18-0577 Carrier Oil Seal Assembly
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        $76.09
        $54.79

        Sierra 18-0577 Mercruiser Carrier Oil Seal Assembly Sierra Carrier Oil Seal Assembly fits IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One & Gen II. Interchangeable with: GLM 28370 Mallory 9-78100 Mercruiser Stern...

      • Sterndrive Engineering Replacement Drive, Old Style R , MR , Alpha One
        $2,165.99
        $1,804.99

        Sterndrive Engineering Replacement Drive, Old Style R , MR , Alpha One Replaces most Mercruiser Sterndrives 160/165 HP from 1967-1977 Comes with a 8-1/8 old style input yoke Ships in two boxes Does NOT include install kit or anode kit Up to 300HP...

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      • Mercury - Mercruiser 26-97530 Seal
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        $19.99
        $17.99

        Mercury-MerCruiser 26-97530 Seal The Mercury-MerCruiser 26-97530 Seal is a replacement sealing component for compatible Mercury and MerCruiser applications. This seal is used where part number 26-97530 is specified by the Mercury-MerCruiser parts...

      • Quicksilver OEM MeCruiser Alpha One Gen I U-Joint Bellows Image
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        $90.59
        $75.49

        Quicksilver OEM MeCruiser Alpha One Gen I U-Joint Bellows 60932A4 Bell housing U-joint bellows 60932A4 is for MerCruiser sterndrive models MC-I, R, MR, Alpha One, and TR/TRS. Easy to install using common tools. Kit includes hose clamps to secure both...

      • Quicksilver OEM MerCruiser Alpha One Gen II 1991 & Up Bellow Flange Ring 816607
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        $19.99
        $17.99

        Quicksilver OEM MerCruiser Alpha One Gen II 1991 & Up Bellow Flange Ring 816607 This genuine OEM bellow flange ring is for MerCruiser Alpha One Gen II drives from 1991 and Up.  Application Info: Fits MerCruiser Alpha One Gen II drives from...

      • Sierra 18-1728 MerCruiser Alpha One Gen II Bellows Flange Ring Replaces 816607
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        $29.69
        $21.39

        Sierra 18-1728 MerCruiser Alpha One Gen II Bellows Flange Ring Replaces 816607 This Sierra bellows flange ring is for use with MerCruiser Alpha One Gen II drives made from 1991 to the present. Application Info: Fits MerCruiser Alpha One Gen II drives...

      • Quicksilver 25-8M0204651 O-Ring Image
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        $3.99
        $3.49

        Quicksilver 25-8M0204651 O-Ring MerCruiser Thermostat Housing O-Ring 8M0204651 is for use on MerCruiser marinized sterndrive or inboard V6 and V8 engines made by General Motors. Genuine OEM Mercury - Mercruiser part. Application: Fits MCM/MIE GM...

      • Mercury - Mercruiser 26-90562 Seal
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        $18.99
        $16.99

        Mercury 90562 1.254" x .312" Seal The Mercury 90562 Seal is a replacement sealing component for compatible Mercury applications. This seal measures 1.254 inches x .312 inches and is used where part number 90562 is specified by the Mercury parts diagram...

      • EMP 64-01764 MerCruiser Shift Cable Kit
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        $94.08
        $78.40

        EMP 64-01764 MerCruiser Shift Cable Kit This shift cable Kit is intended for use on MerCruiser engines and meets all OEM requirements. Impeller Kit Application: For MerCruiser 1987 & later MC-1 R/MR/Alpha One & Alpha Gen II transom...

      • EMP 94-00801 MerCruiser/Volvo U-Joint
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        $60.00
        $50.00

        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...

      • Sierra 18-2128 Center Socket Replaces 393831
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        $130.39
        $93.89

        Sierra 18-2128 Mercruiser, OMC, and Volvo Center Socket Fits: IA/IB/IC & EZ, MC-I, R,MR, Alpha One Gen II (Serial No.OL949778 & below) Bravo (Serial No. OM111207 & below) MC II & TS All OMC Cobra Interchangeable...

      • Sierra 18-2158 Shift Cable Assembly
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        $131.39
        $94.59

        Sierra 18-2158 Shift Cable Assembly for Mercruiser Sierra 18-2158 Shift Cable Assembly has an old style stranded core wire with soldered tip. For Mercruiser #1 drives s/n 1562900-6225576 for forward installation into bell housing. Conduit Size:...

      • Sierra 18-0203-9 Bell Housing Washer (5Pk) Replaces 12-35935
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        $18.19
        $17.79

        Sierra 18-0203-9 Bell Housing Washer (5 Pack) Sierra replacement bell housing washer for Mercruiser Sterndrives. Fits: All Mercruiser Sterndrives 1963-1998 Package of 5 Interchangeable with: Mercruiser Stern...

      • Mercury - Mercruiser 26-823894 Seal - Oil
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        $29.99
        $26.49

        Mercury - Mercruiser 26-823894 Seal - Oil Genuine OEM Mercury - Mercruiser part. Application: Alpha One Gen II (1998 and up) - s/n #0L100040 & up Alpha One Gen II - (1991 - 1995) - s/n #0D469859 thru 0F679999 Alpha One Gen II - (1996 - 1997) - s/n...

      • Sierra 18-2140 Engine Mount Bolt Kit
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        $42.49
        $30.59

        Sierra 18-2140 Engine Mount Bolt Kit Sierra high-quality engine parts are designed to meet OEM specifications. For Mercruiser I engines. Kit Includes: (1) 18-0681 Washer (1) 18-3729 Motor Mount Bolt Interchangeable with: GLM 21811

      • EMP 30-00803 MerCruiser/Volvo Gimbal Bearing
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        $91.20
        $76.00

        EMP 30-00803 MerCruiser/Volvo Gimbal Bearing This gimbal bearing  is intended for use with MerCruiser, Volvo, OMC transoms. This replacement gimbal bearing meets all OEM requirements. Gimbal Bearing Application: For Volvo various years SX &...

      • Sierra 18-7157 O-Ring
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        $5.19
        $4.49

        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

      • Sierra 18-3752 Retaining Nut Replaces 8168112
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        $40.99
        $31.99

        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...

      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!