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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      • EMP 61-00500 MerCruiser Exhaust Bellow with Clamps
        $31.67
        $26.39

        EMP 61-00500 MerCruiser Exhaust Bellow with Clamps Replaces 18654A1 This exhaust bellow is intended for use with MerCruiser systems and comes with 2 clamps. These bellows meets all OEM requirements. Exhaust Bellow Application: For All Mercruiser 1963...

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      • Sierra 18-2340 Shift Shaft Washer
        $1.99
        $1.49

        Sierra 18-2340 Shift Shaft Washer Sierra high-quality engine parts are designed to meet OEM specifications. For use on Mercruiser Stern Drives and Mercury Marine engines. Thickness: 1/16" Fits 1A/IB/IC & EZ Shift, MC-I, R, MR & Alpha One...

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      • EMP 64-02823 MerCruiser Shift Cable Kit
        $91.19
        $75.99

        EMP 64-02823 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...

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      • Sierra 18-7160 O-Ring
        $0.89
        $0.67

        Sierra 18-7160 O-Ring I.D.: 2.635" or 67mm Width: 0.210" or 5.3mm Interchangeable with: GLM 83340 Mallory 9-76545 Mercruiser Stern Drive 25-31986 Mercury Marine 25-31986 Superseded to 18-7160-9

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      • Sterndrive Engineering Replacement Drive, Old Style R , MR , Alpha One
        $2,075.74
        $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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      • Quicksilver OEM MerCruiser Bravo Bellow Flange Ring
        $7.99
        $6.99

        Quicksilver OEM MerCruiser Bravo Bellow Flange Ring 862209 This genuine OEM bellow flange ring is for use with MerCruiser bravo drives. Application Info: Fits Bravo I, II, & III drives from 1988-1998 with serial numbers 0B664190 thru...

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      • Sierra 18-2158 Shift Cable Assembly
        $115.99
        $80.99

        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:...

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      • Sierra 18-2128 Center Socket Replaces 393831
        $114.99
        $80.49

        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...

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      • Sierra 18-2140 Engine Mount Bolt Kit
        $36.99
        $25.99

        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

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      • Quicksilver 27-94996Q-2 Drive/Bell Housing Gasket Set
        $16.79
        $13.99

        Quicksilver 27-94996Q-2 Drive/Bell Housing Gasket Set Genuine OEM Mercury-Mercruiser part. Complete replacement bell housing gasket set for Mercruiser Sterndrives. Quicksilver products are manufactured to meet Mercury Marine OEM specifications...

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      • Quicksilver OEM MeCruiser Alpha One Gen I U-Joint Bellows 60932A4
        $87.59
        $72.99

        Quicksilver OEM MeCruiser Alpha One Gen I U-Joint Bellows 60932A4 This OEM u-joint bellows is designed for use with MerCruiser Alpha One Gen I drives. Application Info: Fits MerCruiser Alpha One Gen I drives from 1983-1991 with serial numbers 06225577...

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      • Mercury - Mercruiser 26-823894 Seal - Oil
        $42.99
        $26.99

        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) -...

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      • Sierra 18-1158 Carrier Bearing
        $11.49
        $7.99

        Sierra 18-1158 Carrier Bearing Fits prop shaft bearing carrier 40 HP and Up. Replaces: Mallory  9-75112 Mercury/MerCruiser 31-30956T 31-30956 OMC/Johnson/Evinrude 0387247 Aqua...

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      • Sierra 18-2617 Outdrive Gasket Set Replaces 27-35996A1
        $13.99
        $10.49

        Sierra 18-2617 Mercruiser Outdrive Gasket Set For Old Style Outdrives 1A/1B/1C And EZ Shift 1964-1966 Kit Includes: (1) 18-2556 Drive Shaft Housing To Bell Housing Gasket (1) 18-2840 Bell Housing Gasket (1) 18-7153 O-Ring (1) 18-7170...

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      • Sierra 18-3719 Pinion Nut Replaces 11-35921
        $5.49
        $3.99

        3/8" (18mm) Pinion Nut for Mercury, Mercruiser, OMC 3/8"-18mm Replaces: OMC - 0314730 Mallory - 9-78013 GLM - 11190 Pro Marine - 18-3719 Sterndrive Engineering - 98-102-37 Mercury 11-35921  

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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!