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      Mercury Outboard Gearcase & Drive Parts Product Listings

      • Mercury 8M0099218 4-Stroke Gearcase Assembly 1.921 20"
        $5,302.49
        $4,453.99

        Mercury 8M0099218 4-Stroke Gearcase Assembly 1.92:1 20" - 150 HP Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Stroke engines. Fits: Mercury 150 hp 4‑Cylinder, 4‑Stroke Outboards. (s/n 2B138363 ‑...

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      • SEI Mercury Four Stoke Replacement 2.33:1 20" Lower Unit
        $1,670.52
        $1,392.10

        SEI Mercury Four Stoke Replacement 2.33:1 20" Lower Unit Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number ready when calling. Specifications: OE Part#:...

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      • Mercury - Mercruiser 17-8M0100263 Pin
        $3.99
        $3.49

        Mercury - Mercruiser 17-8M0100263 Pin  Genuine OEM Mercury-Mercruiser part. Replacement Cross Pin for Mercury Outboards. - Minimum Order Quantity 3. Supersedes: 17-30632  Special Order Item: This product is ordered specifically for your...

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      • Mercury - Mercruiser 24-30893 Clutch Cross Pin Spring
        $2.49
        $1.99

        Mercury - Mercruiser 24-30893 Clutch Cross Pin Spring Genuine OEM Mercury - Mercruiser part. Application: Fits I, MC‑I, R, MR, Alpha One, Alpha One Gen II and Vazer  Special Order Item: This product is ordered specifically for your application. To...

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      • Mercury - Mercruiser 44-41630T Prop Shaft
        $1,168.99
        $981.99

        Mercury - Mercruiser 44-41630T Prop Shaft Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • CLEARANCE
        Mercury - Mercruiser 44-8146061 Prop Shaft
        $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 0F386995] ALPHA ONE (GEN.II) - 1991-1995 [0D469859 THRU...

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      • Mercury - Mercruiser 44-8M0070782 Prop Shaft
        $377.99
        $332.99

        Mercury - Mercruiser 44-8M0070782 Prop Shaft Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 44-8M0088568 Propeller Shaft
        $369.49
        $324.99

        Mercury - Mercruiser 44-8M0088568 Propeller Shaft Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using...

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      • Mercury 9148T82 V-6 Gear Housing Assembly 2:1 25"
        $3,723.99
        $3,128.49

        Mercury 9148T82 V-6 Gear Housing Assembly 2:1 25" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner V-6 engines. Fits: Mercury 135‑200 (2.5L) V‑6 outboards Specifications: Color: Black Gear Ratio: 2:1...

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      • SEI Mercury Outboard Replacement Lower Unit 2.07:1, 25"
        $1,670.52
        $1,392.10

        SEI Mercury Outboard Replacement Lower Unit 2.07:1, 25" 2 Stroke Driveshaft Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number ready when calling. Replaces OE#...

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      • Sierra 18-1150 Needle Roller Bearing
        $70.99
        $49.49

        Sierra 18-1150 Mercruiser Needle Roller Bearing Sierra high-quality engine parts are designed to meet OEM specifications. Fits MC-I & R drives Interchangeable with: GLM 21600 Mercruiser Stern...

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      • Sierra 18-1550 Complete Gear Set-4 Cyl
        $1,237.09
        $890.69

        Complete Gear Set-4 cyl - Special Order est. 10 Days Contains: Reverse Gear 18-1560 Clutch 18-1562 Replaces Mallory 9-73420 9-73431 Mercury Marine 43-8812960A3 43-850036T 52-850048T

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      • Sierra 18-7143-9 O-Ring (Priced Per Pkg Of 5)
        $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 Outboard 331188 Mallory 9-76537 Mercruiser...

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      • Mercury - Mercruiser 15-888927-034 Shim .86Mm .034In
        $4.99
        $4.49

        Mercury - Mercruiser 15-888927-034 Shim .86Mm .034InSpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics...

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      • Mercury - Mercruiser 23-MR20604T Bearing
        $26.99
        $21.49

        Mercury - Mercruiser 23-MR20604T Bearing  Genuine OEM Mercury-Mercruiser part. - Minimum Order Quantity 2.Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility...

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      • Mercury - Mercruiser 27-76868A04 Seal Kit
        $161.99
        $142.49

        Mercury - Mercruiser 27-76868A04 Seal Kit Genuine OEM Mercury/Mercruiser part. .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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

        Mercury - Mercruiser 30-88957T Bearing-Ball Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our...

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      • Mercury - Mercruiser 31-28157 Bearing
        $29.49
        $25.99

        Mercury - Mercruiser 31-28157 BearingSpecial Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please confirm compatibility with your engine model using our Parts Finder & Schematics Guide before...

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      Mercury OEM Engine Parts Finder

      Mercury Outboard Gearcase & Drive Parts

      Have you ever gone to a big box store with a marine department and had the feeling that the sales clerk had no idea what you needed? Or thought that automotive and marine parts are interchangeable? That will never be the case when you shop at Wholesale Marine. We have whatever you need from the best brands in OEM and aftermarket manufacturers like Mercury, Quicksilver, Moeller, and Sierra to get you your Mercury outboard gearcase parts you require - from gearcase seal kits, o-rings and seals, propeller shafts, carrier bearings, gear sets, gearcase bearings, even replacement lower units, if your boat needs it, Wholesale Marine will have it all!

      We know that it can sometimes be difficult to locate which Mercury outboard gearcase parts you require. Know that at Wholesale Marine, you have two options: you or your marine technician can use Wholesale Marine’s Parts Selection Finder, or you can call and have a conversation with one of our knowledgeable staff. Whichever option you use to find the right part(s) you need, your Mercury outboard gearcase components will soon be on their way to you!

      When you need to upgrade or replace Mercury outboard gearcase-related components it does not matter if you are buying o-rings and seals, gearcase bearings, propeller shafts, or an entire Mercury outboard lower unit replacement- you’ll always receive great customer service from our staff. In addition to carrying the best brands, we offer a competitive pricing guarantee. We ship daily so you’ll have your parts before you know it. Returns are easy as well. If you are not already a regular Wholesale Marine customer, we’ll do our best to convince you to become one! After all, thousands of boat owners and marine technicians already make us their one-stop shopping destination for all their boating needs! Plan to give us a call soon. We’re here Monday through Friday from 8:30 AM until 4:30 PM EST at (877) 388-2628. Don’t forget to ask about our Captain’s Club Rewards program for extra savings the next time you shop at Wholesale Marine!