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      Mercury Outboard Gearcase & Drive Parts Product Listings

      • Mercury 9011J-7 4-Cyl Gear Housing Assembly 2.07:1 20"
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        $3,723.99
        $3,128.49

        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...

      • Mercury 9011J15 4-Cyl Gear Housing Assembly 2.3:1 20"
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        $3,723.99
        $3,128.49

        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...

      • Mercury 9011J16 3-Cyl Gear Housing Assembly 2.3:1 20"
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        $3,723.99
        $3,128.49

        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...

      • Mercury 9011J29 4-Stroke Gearcase Assembly 2.33:1 20"
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        $3,723.99
        $3,128.49

        Mercury 9011J29 4-Stroke Gearcase Assembly 2.33:1 20" Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate...

      • Mercury 9011J33 4-Cyl Gear Housing Assembly 2.07:1 20"
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        $3,723.99
        $3,128.49

        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...

      • Mercury 9011J35 4-Cyl Gear Housing Assembly 2.07:1 25"
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        $3,723.99
        $3,128.49

        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...

      • Mercury 9011J37 4-Cyl Gear Housing Assembly 2.33:1 20"
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        $3,723.99
        $3,128.49

        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...

      • Mercury 9011J39 4-Cyl Gear Housing Assembly 2.33:1 25"
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        $3,723.99
        $3,128.49

        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...

      •  Mercury 9148T81 V-6 Gear Housing Assembly 2:1 20"
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        $3,723.99
        $3,128.49

        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...

      • Mercury 9148T85 V-6 Gear Housing Assembly 1.87:1 25"
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        $3,723.99
        $3,128.49

        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...

      • Mercury 9148T86 V-6 Gear Housing Assembly 1.87:1 25"
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        $4,517.49
        $3,794.99

        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...

      • Sierra 18-1170 Lower Pinion Bearing
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        $50.29
        $36.19

        Lower Pinion Bearing Replaces: Mercury 31-812767A 1 OMC 0983892 Sterndrive 93-265-15 AQU 13033 GLM 21541 Redline RL1170

      • Sierra 18-1197 Tapered Roller Bearing
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        $161.49
        $120.99

        This product has been discontinued by the manufacturer and has been superseded by Mercury 31-828439A-2Sierra 18-1197 Tapered Roller Bearing Fits: Alpha One Gen II (1996-97) (s/n 0F680000-0K999999)...

      • Sierra 18-1565 Clutch
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        $144.99
        $104.39

        Sierra 18-1565 Clutch Sierra replacement clutch for use with Mercury Marine engines. This clutch should be used with the Sierra 18-1551 Complete Gear Set for V-6. Sierra manufactures aftermarket...

      • Sierra 18-2298 Tab Washer
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        $23.59
        $16.99

        SHIM KIT - Special Order Item est. 10 Days

      • Sierra 18-4858-9 Washer  (Pack Of 10)
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        $27.79
        $19.99

        Sierra 18-4858-9 Washer (Pack Of 10) Sierra pack of washers for Mercury Outboards and Mercruiser Stern Drives. Fits: Mercury O/B 25 Hp & Up, MerCruiser #1, R, MR, Alpha I Gen II and Bravo Drive...

      • CLEARANCE
        Sierra 18-7419 O-Ring
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        $2.79
        $1.89

        Sierra 18-7419 O-Ring Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine, Mercury Marine, and Sears engines. Package of 5. I.D.: 2...

      • Sierra 18-7426-9 O-Ring (Priced Per Pkg Of 2)
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        $4.19
        $3.29

        Sierra 18-7426-9 O-Ring (Priced Per Pkg Of 2) Sierra high-quality engine parts are designed to meet OEM specifications. For Mercury and Mercruiser engines. I.D.: 0.740" Width: 0...

      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 Wholesale Rewards Program for extra savings the next time you shop at Wholesale Marine!