Mercury Outboard Gearcase & Drive Parts

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Parts Selection Guide

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Prop Selection Guide

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      • Mercury 8M0099221 4-Stroke Gearcase Assembly 1.92:1 25"
        $5,302.49
        $4,612.99

        Mercury 8M0099221 4-Stroke Gearcase Assembly 1.92:1 25" - 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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      • Mercury 8M0185980 5" Silver Gear Case Spacer
        $1,037.49
        $601.99

        Mercury 8M0185980 5" Silver Gear Case Spacer This OEM gear case spacer is designed for use with Mercury gear cases. This spacer fits standard XL gear cases for select 3.4L & 4.6L outboards. Application Info: Fits Mercury 3.4L & 4.6L XL...

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      • Mercury 9011G90 4-Stroke Gearcase Assembly 2.33:1 20"
        $3,515.49
        $3,058.49

        Mercury 9011G90 4-Stroke Gearcase Assembly 2.33:1 20" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Stroke engines. Fits: Mercury 40‑60 hp Bigfoot 4‑Stroke Outboards. (s/n 1C033810 & Below...

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      • Mercury 9011J 6 4-Cyl Gear Housing Assembly 2.07:1 20"
        $3,723.99
        $3,239.99

        Mercury 9011J 6 4-Cyl Gear Housing Assembly 2.07:1 20" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Cylinder engines. Fits: Mercury 100/115/125 hp. (4 cylinder) 2‑cycle outboards with 6...

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      • Mercury 9011J-2 4-Stroke Gearcase Assembly 2.07:1 20"
        $3,723.99
        $3,239.99

        Mercury 9011J-2 4-Stroke Gearcase Assembly 2.07:1 20"  Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Stroke engines. Fits: Mercury 75‑115 hp 4‑Cylinder, 4‑Stroke Outboards. (s/n 0G960500...

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      • Mercury 9011J-7 4-Cyl Gear Housing Assembly 2.07:1 20"
        $3,723.99
        $3,239.99

        Mercury 9011J-7 4-Cyl Gear Housing Assembly 2.07:1 20" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Cylinder engines. Fits: Mercury 100/115/125 hp. (4 cylinder) 2‑cycle outboards with 3 jaw...

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      • Mercury 9011J15 4-Cyl Gear Housing Assembly 2.3:1 20"
        $3,723.99
        $3,239.99

        Mercury 9011J15 4-Cyl Gear Housing Assembly 2.3:1 20" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Cylinder engines. Fits: Mercury 75‑125 hp. 2‑cycle outboards with 6 jaw reverse...

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      • Mercury 9011J16 3-Cyl Gear Housing Assembly 2.3:1 20"
        $3,723.99
        $3,239.99

        Mercury 9011J16 3-Cyl Gear Housing Assembly 2.3:1 20" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 3-Cylinder engines. Fits: Mercury 75‑125 hp. 2‑cycle outboards with 3 jaw reverse...

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      • Mercury 9011J33 4-Cyl Gear Housing Assembly 2.07:1 20"
        $3,723.99
        $3,239.99

        Mercury 9011J33 4-Cyl Gear Housing Assembly 2.07:1 20" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Cylinder engines. Fits: Mercury 115 hp. (3‑cylinder) 2‑cycle OptiMax/DFI...

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      • Mercury 9011J35 4-Cyl Gear Housing Assembly 2.07:1 25"
        $3,723.99
        $3,239.99

        Mercury 9011J35 4-Cyl Gear Housing Assembly 2.07:1 25" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Cylinder engines. Fits: Mercury 75‑115 hp. (3‑cylinder) 2‑cycle OptiMax/DFI...

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      • Mercury 9011J37 4-Cyl Gear Housing Assembly 2.33:1 20"
        $3,723.99
        $3,239.99

        Mercury 9011J37 4-Cyl Gear Housing Assembly 2.33:1 20" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Cylinder engines. Fits: Mercury 75‑90 hp. (3‑cylinder) 2‑cycle OptiMax/DFI...

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      • Mercury 9011J39 4-Cyl Gear Housing Assembly 2.33:1 25"
        $3,723.99
        $3,239.99

        Mercury 9011J39 4-Cyl Gear Housing Assembly 2.33:1 25" Genuine OEM Mercury part. 100% genuine OEM complete gear housing assembly for Mercury and Mariner 4-Cylinder engines. Fits: Mercury 75‑90 hp. (3‑cylinder) 2‑cycle OptiMax/DFI...

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      •  Mercury 9148T81 V-6 Gear Housing Assembly 2:1 20"
        $3,723.99
        $3,239.99

        Mercury 9148T81 V-6 Gear Housing Assembly 2:1 20" 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...

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      • Mercury 9148T85 V-6 Gear Housing Assembly 1.87:1 25"
        $3,723.99
        $3,239.99

        Mercury 9148T85 V-6 Gear Housing Assembly 1.87:1 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...

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      • Mercury 9148T86 V-6 Gear Housing Assembly 1.87:1 25"
        $4,517.49
        $3,929.99

        Mercury 9148T86 V-6 Gear Housing Assembly 1.87:1 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...

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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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      • 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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      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!