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      Mercruiser Gearcase & Drive Parts Product Listings

      • 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...

      • Mercury - Mercruiser 31-8M0146566 Bearing Cup Cone
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        $76.79
        $63.99

        Mercury - Mercruiser 31-8M0146566 Bearing Cup Cone Genuine OEM Mercury/Mercruiser part. Supersedes 31-36387A-1 Special Order Item.Special Order Quicksilver Information: Additional Handling Time:...

      • Sierra 18-2151 Pivot Pin 7 1/2 Replaces 17-45738
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        $74.99
        $60.69

        Sierra 18-2151 MerCruiser Pivot Pin Sierra high-quality engine parts are designed to meet OEM specifications. Use with 18-2701 bushing. Front: 7-1/2" Interchangeable...

      • Sierra 18-2202 Sliding Clutch
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        $291.79
        $210.09

        Sierra 18-2202 Sliding Clutch Sierra replacement sliding clutch for Mercruiser Stern Drive and Mercury Marine engines. Fits 888 s/n 3784375 & up Fits #1 Units s/n 3469428 & up Interchangeable...

      • Sierra 18-7115 O-Ring
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        $2.29
        $1.99

        Sierra 18-7115 O-Ring Sierra replacement O-ring for marine engines. Width: 0.135" or 3.4mm I.D.: 1.735" or 44.1mm Package of 1 Interchangeable with: GLM 82240 Johnson/Evinrude...

      • Sierra 18-7143-9 O-Ring (Priced Per Pkg Of 5)
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        $10.89
        $8.49

        Sierra 18-7143-9 O-Ring (Priced Per Pkg Of 5) Sierra replacement O-ring. I.D.: 1.310" or 33.3mm Width: 0.100" or 2.5mm Package of 5 Interchangeable with: GLM 81250 Johnson/Evinrude...

      •  Sierra 18-7321-9 Bellows Clamp (Pkg Of 5)
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        $14.69
        $12.49

        Sierra 18-7321-9 Mercruiser Bellows Clamp Replaces 8M0204733 (Pkg Of 5) Sierra replacement bellows clamp for Mercruiser Stern Drives. Package of 5 Interchangeable...

      • Sierra Retainer Seal Kit 18-2469
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        $117.69
        $90.59

        Sierra Retainer Seal Kit 18-2469 This Sierra Retainer Seal Kit has Sierra's guaranteed fitment, backed by their lifetime warranty. It has a direct application fitment that exceeds OEM quality...

      • MerCruiser 5-5111200TP Alpha One Gen II 1.47 Counter Rotation Sterndrive
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        $5,082.59
        $4,235.49

        MerCruiser 5-5111200TP Alpha One Gen II 1.47 Counter Rotation Sterndrive This is a replacement for MerCruiser Alpha One Gen II (1998 and up) outdrives with a 1.47 gear ratio, 0L100040 & Up. Genuine...

      • Mercruiser 94993A12 Gimbal Ring Kit
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        $1,455.99
        $1,222.99

        Mercruiser 94993A12 Gimbal Ring Kit Genuine OEM Mercury-Mercruiser part. Replacement gimbal ring kit with upper swivel shaft. Fits: R/MR/Alpha One Drives (1983-1990) Special Order Mercury Marine...

      • SEI Mercruiser Alpha One Replacement Upper Unit 1.81
        $1,359.00
        $1,132.50

        SternDrive Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.81 Ratio 1.81 Ratio also replaces 1.84 ratio For Alpha One Gen I Sterndrives (1972-1990) Comes with a 9-9/16" [new style]...

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      • Mercruiser Alpha One Replacement Upper Unit 1.94
        $1,359.00
        $1,132.50

        Replacement Upper Unit for Mercruiser R, MR, Alpha One. 1.94 Ratio 1.94 ratio also replaces 1.98 ratio Comes with a 9-9/16" [new style] input yoke. 3 Year Manufacturer's...

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      • Mercruiser Gen II Replacement Upper Unit 1.94 / 2.40
        $1,409.99
        $1,174.99

        Sterndrive Engineering Mercruiser Alpha One Gen II Replacement Upper Unit 1.94 / 2.40 Ratios For Mercruiser Alpha One Gen II Sterndrives 1991 - Present. SE116 1.94 ratio also replaces the 1.98...

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      • Mercury - Mercruiser 30-88957T Bearing-Ball
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        $64.99
        $56.99

        Mercury - Mercruiser 30-88957T Bearing-Ball Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse...

      • CLEARANCE
        Mercury - Mercruiser 44-8146061 Prop Shaft
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        $517.49
        $346.99

        Mercury - Mercruiser 44-8146061 Prop Shaft  Application: E/MR/ALPHA ONE (Transom Assembly) - 1983-1990 [6216687 THRU 0F386995] R/MR/ALPHA ONE (Sterndrive) - 1983-1990 [6225577 THRU...

      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!