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      Mercruiser Gearcase & Drive Parts Product Listings

      • Sierra 18-2015 Oil Seal
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        $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

      • CLEARANCE
        Sierra 18-2205 Gear Set Replaces 43-55778A3
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        $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 &...

      • Sierra 18-2283 Shim
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        $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

      • Sierra 18-2320 Shift Shaft
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        $77.89
        $56.09

        Sierra 18-2320 Mercruiser Shift Shaft Sierra replacement shift shaft for Mercruiser Stern Drives. For: Alpha One Gen II Interchangeable...

      • Sierra 18-2840-9 Bell Housing Gasket (Priced Per Pkg Of 5)
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        $20.29
        $15.89

        Sierra 18-2840-9 Bell Housing Gasket Replaces 27-35982 - Pack of 5 Supersedes: 18-2840 Interchangeable with: GLM 31160 Mercruiser Stern Drive 27-35982

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

      • MerCruiser 5-5111300TP Alpha One Gen II 1.62 Counter Rotation Outdrive
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        $5,082.59
        $4,235.49

        MerCruiser 5-5111300TP Alpha One Gen II 1.62 Counter Rotation Outdrive This is a replacement for MerCruiser Alpha One Gen II (1998 & Up) outdrives with a 1.62 gear ratio, 0L100040 & Up. Genuine OEM...

      • MerCruiser 5-5121200TP Alpha One Gen II 1.47 Standard Rotation Sterndrive
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        $4,601.39
        $3,834.49

        Mercury-MerCruiser 5-5121200TP Alpha One Gen II 1.47 Standard Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen II (1998 & Up) outdrives with a 1.47 gear ratio, 0L100040 & Up...

      • MerCruiser 5-5H41600TZ Bravo III XR Gas 2.00 Sterndrive w/Dual Water Pickup
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        $24,932.99
        $20,943.99

        MerCruiser 5-5H41600TZ Bravo III XR Gas 2.00 Sterndrive w/Dual Water Pickup MerCruiser Bravo Sterndrive Application Chart: Bravo XR I 0W240000 & Up Bravo XR Sportmaster 0M906878 & Up Bravo XR III...

      • Mercruiser 864244A2 Bravo U-Joint Assembly
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        $943.49
        $792.99

        Mercruiser 864244A2 Universal Joint Assembly Genuine OEM Mercury-Mercruiser part. Universal joint assembly for Bravo and Blackhawk. Application: Bravo I/II/III (1988 - 2002) - s/n 0B664190 -...

      • Mercruiser 12632A7 Engine Coupler Kit
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        $628.49
        $527.99

        Mercruiser 12632A7 Engine Coupler Kit Genuine OEM Mercury-Mercruiser part. Fits: MCM 120/2.5L & 140/3.0L (1987‑1993) Triangular shape Flywheel mount Special Order Mercury Marine...

      • Mercury - Mercruiser 26-30913 Seal
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        $20.49
        $17.99

        Mercury - Mercruiser 26-30913 Seal

      • Mercury - Mercruiser 26-822647002 Seal
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        $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...

      • Mercury - Mercruiser 26-8M0045622 Seal
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        $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...

      • Mercury - Mercruiser 73723A01 Shift Cable
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        $136.99
        $120.99

        Mercury - Mercruiser 73723A01 Shift Cable Genuine OEM Mercruiser shift cable.  Fits: IA/IB/IC, EZ‑Shift & MC‑I (1977 & older)

      •  Mercury - Mercruiser 8M0043164 Seal
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        $49.49
        $43.49

        Mercury - Mercruiser 8M0043164 Seal Genuine OEM Mercury-Mercruiser part.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm...

      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!