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      Mercruiser Gearcase & Drive Parts Product Listings

      • Mercury - Mercruiser 19-8M0214985 PVS Vent Plug
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        $2.99

        Mercury-MerCruiser 19-8M0214985 Solid PVS Vent Plug The Mercury-MerCruiser 19-8M0214985 Solid PVS Vent Plug is a genuine OEM propeller exhaust vent plug for compatible Mercury and Quicksilver propellers equipped with Performance Vent System (PVS) vent...

      • Quicksilver 12-8M0187157 Drain Screw Gasket - Blue Image
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        $1.19
        $0.99

        Mercury - Mercruiser 12-8M0187157 Drain Screw Gasket - Blue Used with the 3/8 - 16 drain/fill screw found on all Mercruiser and most Mercury/Mariner outboards except those of Japanese origin. Supersedes Mercury MerCruiser 12-191833

      • Sierra 18-2945-9 Drain Screw Gasket (2Pk) Replaces 12-191833
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        $2.69
        $2.29

        Sierra 18-2945-9 Drain Screw Gasket (2 pack) This Sierra 18-2945 Drain Screw Gasket is used with 3/8-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/Bs. This gasket is used in most lower units and sea water pumps. Sold as a 2...

      • Sierra 18-2619-1 Outdrive Gasket Set Replaces 27-94966Q2
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        $9.89
        $8.49

        Sierra 18-2619-1 MerCruiser Outdrive Gasket Set Sierra high quality engine parts are designed to meet or exceed OEM requirements. For MerCruiser R, MR, Alpha and Alpha One Gen II Outdrives (1983 and Newer) (s/n 6225577 & up). Kit...

      • 19889725T35
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        $3.49
        $2.99

        Quicksilver 19-889725T35 Medium PVS Vent Plug - .350 in. / 9mm The Quicksilver 19-889725T35 Medium PVS Vent Plug is a genuine replacement propeller exhaust vent plug for Mercury and Quicksilver propellers equipped with Performance Vent System (PVS) vent...

      • Quicksilver OEM MerCruiser Bellows Adhesive 86166Q1 Thumbnail  Image
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        $12.99
        $11.99

        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...

      • Prop PVS Vent Plug, Mercury - Mercruiser 19-889725T28 Image
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        $3.49
        $2.99

        Mercury - Mercruiser 19-889725T28 Prop PVS Vent Plug The Quicksilver 889725T28 PVS Propeller Exhaust Vent Plug is a genuine OEM replacement designed for Mercury and Quicksilver propellers equipped with the Performance Vent System (PVS). This composite...

      • Mercury - Mercruiser 12-8M0162651 Synthane Bell Housing Wash
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        $1.49

        Mercury - Mercruiser 12-8M0162651 Synthane Bell Housing Wash Genuine OEM Engine Part Special Order Item

      • Sierra 18-2753-2 MerCruiser Shift Cable Bellows Replaces 74639A2
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        $20.79
        $14.99

        Sierra 18-2753-2 MerCruiser Shift Cable Bellows Replaces 74639A2 This Sierra shift cable bellows is designed for use with MerCruiser drives. Includes clamp. Application Info: Fits MerCruiser Alpha One Gen I drives from 1983-1991 with serial numbers...

      • Sierra 18-2601-1 MerCruiser Alpha One Gen I Bellows Seal Kit Replaces 803097T1
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        $274.09
        $197.29

        Sierra 18-2601-1 MerCruiser Alpha One Gen I Bellows Seal Kit Replaces 803097T1 This Sierra bellows seal kit is designed for use with MerCruiser Alpha One Gen I drives. This bellows kit comes with a greasable gimbal bearing. Application Info R, MR,...

      • Quicksilver 22-8M0058389 Magnetic Oil Plug Drain Kit Bottom Image
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        $9.99
        $8.99

        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...

      • Sierra 18-2614 Outdrive Gasket Set Replaces 27-64818Q4
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        $8.49
        $7.19

        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...

      • Sierra 18-2750 MerCruiser Exhaust Bellows Replaces 8M0124227
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        $42.09
        $30.29

        Sierra 18-2750 MerCruiser Exhaust Bellows Replaces 8M0124227 This Sierra exhaust bellows is designed for use with MerCruiser drives. Includes clamp. Fits: MerCruiser Alpha One Gen I drives from 1983-1991 with serial numbers 06225577 thru...

      • Sierra 18-2603 Lower Shift Cable Kit Replaces 865436A03
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        $122.89
        $88.49

        Sierra 18-2603 MerCruiser Alpha 1 Gen 2 Lower Shift Cable Kit Sierra replacement lower shift cable kit. Fits MC-I, R, MR, Alpha One & Gen II (1978 & Newer). Kit Includes: (1) 18-2190 Shift Cable (1) 18-2619-1 Outdrive Gasket Set (1)...

      • Sierra 18-8206-1 MerCruiser Alpha One Gen II Bellows Seal Kit 803099T1
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        $341.09
        $265.99

        Sierra 18-8206-1 MerCruiser Alpha One Gen II Bellows Seal Kit 803099T1 This Sierra bellows kit is designed for use with MerCruiser Alpha I Gen II Sterndrives from 1991 - Current. This bellows kit comes with a greasable gimbal bearing. Application...

      • Sierra 18-2174 U-Joint Replaces 75832T1
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        $76.99
        $60.09

        Sierra 18-2174 Heavy Duty U-Joint Cross and Bearing Features: Includes both straight and 90° grease fitting Heavy Duty Fits: Alpha I Units s/n B418819 & Above, also fits Alpha I SS & Bravo Interchangeable...

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

        Mercury 94996T2 MerCruiser Bell Housing Gasket Kit The Mercury 94996T2 MerCruiser Bell Housing Gasket Kit is a genuine OEM gasket kit for installing the bell housing on compatible MerCruiser drives. This 6-piece kit is designed for MerCruiser R, MR, and...

      • Sierra 18-2100 Gimbal Bearing Replaces 30-879194A02
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        $90.19
        $69.49

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

      • Bottle Assy Oil Drive, Mercury - Mercruiser 8M0075709
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        $72.99
        $64.49

        Mercury-MerCruiser 8M0075709 Oil Drive Bottle Assembly The Mercury-MerCruiser 8M0075709 Oil Drive Bottle Assembly is a genuine OEM Mercury-MerCruiser replacement part for compatible marine applications. This component is designed to replace the original...

      • Sierra 18-9861 MerCruiser Hinge Pin Tool Replaces 78310
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        $29.79
        $21.39

        Sierra 18-9861 MerCruiser Hinge Pin Tool Replaces 78310 This Sierra hinge pin tool is designed to remove and install hinge pins from all MerCruiser drive units. Interchangeable...

      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!