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      Mercruiser Gearcase & Drive Parts Product Listings

      • Mercruiser 43-853642A-2 Upper Gear Set - 1.94/2.4
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        $861.99
        $723.99

        Mercruiser 43-853642A-2 Upper Gear Set - 1.94/2.4 Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) and Vazer drive 20-24 Teeth 1.94 & 2.40 Ratio...

      • Mercruiser 43-853643A-2 Upper Gear Set - 1.81
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        $556.49
        $467.49

        Mercruiser 43-853643A-2 Upper Gear Set - 1.81 Genuine OEM Mercury-Mercruiser part. Fits:  Alpha One Gen II (s/n 0L000040 and above) (1998 & newer) & Vazer drive 17-19 Teeth 1.81 Ratio Alpha One Gen...

      •  Mercruiser 43-878087A-2 Forward Gear Set
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        $712.49
        $598.49

        Mercruiser 43-878087A-2 Forward Gear Set Genuine OEM Mercury-Mercruiser part. Fits: Alpha One Gen II (except 2.00 & 2.40 ratio) (s/n 0F680000 and above) 13‑21 Teeth  Standard Rotation (RH) .Special...

      • Mercruiser 43-887906A-1 Bravo Upper Gear Set
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        $2,283.99
        $1,918.49

        Mercruiser 43-887906A-1 Bravo Upper Gear Set Genuine OEM Mercury-Mercruiser part. Fits: Bravo I X & XZ (1.36), II X (1.50 & 1.81) & III X (1.36 & 1.81) (2000 & newer) 27/29 Teeth .Special Order...

      • Mercruiser 43-96084A-7 Forward Gear Set
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        $208.99
        $183.99

        Mercruiser 43-96084A-7 Forward Gear Set Genuine OEM Mercruiser part. Application: R/MR/Alpha One (Sterndrive) 1983-1990 (s/n 6225577 thru 0F386995) R/MR/Alpha One (Transom Assembly) 1983-1990 (s/n...

      • CLEARANCE
        Mercruiser 45-41939F-1 Black Driveshaft Assembly
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        $771.49
        $516.99

        Mercruiser 45-41939F-1 Black Driveshaft Assembly Genuine OEM Mercury - Mercruiser part. Application: R/MR/Alpha One (1983 - 1990) - s/n 6225577 thru 0F386995

      • MerCruiser 5-5010147CP Alpha One Gen I 1.47 Standard Rotation Sterndrive
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        $5,082.59
        $4,235.49

        MerCruiser 5-5010147CP Alpha One Gen I 1.47 Standard Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen I (1983 - 1990) outdrives with a 1.47 gear ratio, 6216687-0F386995 /...

      • MerCruiser 5-5010162CP Alpha One Gen I 1.62 Standard Rotation Sterndrive
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        $5,082.59
        $4,235.49

        MerCruiser 5-5010162CP Alpha One Gen I 1.62 Standard Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen I outdrives (1983-1990) with a 1.62 gear ratio, 6216687-0F386995 /...

      • MerCruiser 5-5010194CP Alpha One Gen I 1.94 Standard Rotation Outdrive
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        $5,082.59
        $4,235.49

        MerCruiser 5-5010194CP Alpha One Gen I 1.94 Standard Rotation Outdrive This is a replacement unit for MerCruiser Alpha One Gen I (1983-1990) standard rotation outdrives with a 1.94 gear ratio,...

      • MerCruiser 5-5111600TP Alpha One Gen II 2.00 Counter Rotation Outdrive
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        $5,082.59
        $4,235.49

        MerCruiser 5-5111600TP Alpha One Gen II 2.00 Counter Rotation Outdrive This is a replacement for MerCruiser Alpha One Gen II (1998 & Up) outdrives with a 2.00 gear ratio, 0L100040 & Up. Genuine OEM...

      • MerCruiser 5-5121400TP Alpha One Gen II 1.81 Standard Rotation Sterndrive
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        $4,601.39
        $3,834.49

        MerCruiser 5-5121400TP Alpha One Gen II 1.81 Standard Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen II (1998 & Up) outdrives with a 1.81 gear ratio, 0L100040 & Up. Genuine...

      • MerCruiser 5-5121600TP Alpha One Gen II 2.00 Standard Rotation Sterndrive
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        $4,601.39
        $3,834.49

        MerCruiser 5-5121600TP Alpha One Gen II 2.00 Standard Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen II (1998 & up) outdrives with a 2.00 gear ratio, 0L100040 & Up. Genuine...

      • MerCruiser 5-5231100TP Bravo I 1.36 Outdrive
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        $12,850.19
        $10,708.49

        MerCruiser 5-5231100TP Bravo I 1.36 Outdrive This is a replacement for MerCruiser Bravo I outdrives with a 1.36 gear ratio, 0W250000 & Up. Genuine OEM MerCruiser part. Special Order Mercury Marine...

      • MerCruiser 5-5231200NP Bravo I 1.50 Outdrive 0W249999 and Below
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        $16,672.99
        $10,503.99

        MerCruiser 5-5231200NP Bravo I 1.50 Outdrive 0W249999 and Below This is a replacement for MerCruiser Bravo I outdrives with a 1.50 gear ratio, 0M100001-0W249999 Genuine OEM Mercury-Mercruiser part...

      • MerCruiser 5-5231200TP Bravo I 1.50 Outdrive 0W250000 and Up
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        $12,850.19
        $10,708.49

        MerCruiser 5-5231200TP Bravo I 1.50 Outdrive 0W250000 and Up This is a replacement for MerCruiser Bravo I outdrives with a 1.50 gear ratio, 0W250000 and Up Genuine OEM MerCruiser part. Special Order...

      • MerCruiser 5-5231300TP Bravo I 1.65 Outdrive 0W250000 and Up
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        $12,850.19
        $10,708.49

        MerCruiser 5-5231300TP Bravo I 1.65 Outdrive 0W250000 and Up This is a replacement for MerCruiser Bravo I outdrives with a 1.65 gear ratio, 0W250000 and Up Genuine OEM MerCruiser part. Special Order...

      • MerCruiser 5-5237100TP Bravo I X 1.36 Outdrive
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        $16,489.79
        $13,741.49

        MerCruiser 5-5237100TP Bravo I X 1.36 Outdrive This is a replacement for MerCruiser Bravo I X outdrives with a 1.36 gear ratio, 0W250000 & Up Genuine OEM MerCruiser part. Special Order Mercury Marine...

      • MerCruiser 5-5237200TP Bravo I X 1.50 Outdrive 0W250000 and Up
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        $16,489.79
        $13,741.49

        MerCruiser 5-5237200TP Bravo I X 1.50 Outdrive 0W250000 and Up This is a replacement for MerCruiser Bravo I X outdrives with a 1.50 gear ratio, 0W250000 and Up Genuine OEM MerCruiser part. Special...

      • MerCruiser 5-5237300TP Bravo I X 1.65 Outdrive
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        $16,489.79
        $13,741.49

        MerCruiser 5-5237300TP Bravo I X 1.65 Outdrive This is a replacement for MerCruiser Bravo I X outdrives with a 1.65 gear ratio, 0W250000 & Up Genuine OEM Mercury-Mercruiser part. Special Order...

      • MerCruiser 5-5331200TP Bravo II 1.50 Outdrive
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        $12,850.19
        $10,708.49

        MerCruiser 5-5331200TP Bravo II 1.50 Outdrive This is a replacement for MerCruiser Bravo II outdrives with a 1.50 gear ratio, 0W250000 & Up Genuine OEM MerCruiser part. Special Order Mercury Marine...

      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 Wholesale 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!