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      Mercury Outboard Gearcase & Drive Parts Product Listings

      • SEI Mercury 2 Stroke 2.33:1 20" Replacement Lower unit
        $1,670.52
        $1,392.10

        SEI Mercury 2 Stroke 2.33:1 20" Replacement 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...

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      • Quicksilver OEM MeCruiser Alpha One Gen I U-Joint Bellows Image
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        $90.59
        $75.49

        Quicksilver OEM MeCruiser Alpha One Gen I U-Joint Bellows 60932A4 Bell housing U-joint bellows 60932A4 is for MerCruiser sterndrive models MC-I, R, MR, Alpha One, and TR/TRS. Easy to install using...

      • Quicksilver 25-8M0204651 O-Ring Image
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        $3.99
        $3.49

        Quicksilver 25-8M0204651 O-Ring MerCruiser Thermostat Housing O-Ring 8M0204651 is for use on MerCruiser marinized sterndrive or inboard V6 and V8 engines made by General Motors. Genuine OEM Mercury...

      • Mercury Outboard Lower Mount Cover Kit 879150A90 Image
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        $69.59
        $57.99

        Mercury 879150A90 Outboard Lower Driveshaft Housing Cover Kit The Mercury 879150A90 Cover Kit is a genuine OEM replacement cover kit for the lower driveshaft housing on select Mercury outboards...

      • Mercury Gear Housing Seal Kit 26-43035A-4
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        $106.49
        $93.49

        Mercury 43035A4 Gear Housing Seal Kit The Mercury 43035A4 Gear Housing Seal Kit is designed for use with select Mercury and Mariner outboard lower units. This seal kit is used when servicing the...

      • Mercruiser 26-36557 Seal
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        $3.79
        $3.49

        Mercury-MerCruiser 26-36557 Water Inlet Tube Seal The Mercury-MerCruiser 26-36557 Water Inlet Tube Seal is a replacement sealing component for compatible Mercury and MerCruiser cooling system...

      • SEI Mercury 4 Stroke 2.07:1 Replacement Lower unit
        $1,670.52
        $1,392.10

        SEI Mercury 4 Stroke 2.07:1 Replacement 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...

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      • Mercury - Mercruiser 26-8M0204708 Seal Image
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        $14.49
        $13.49

        Mercury 8M0246145 Bell Housing Oil Seal for 35-200 HP 2-Cycle Outboards The Mercury 8M0204708 Bell Housing Oil Seal is a genuine replacement oil seal for select Mercury and Mariner 35-200 HP 2-cycle...

      • Sierra 18-1143 Tapered Roller Bearing
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        $59.99
        $43.19

        Sierra - 8M0146566 Tapered Roller Bearing Fits: IA/IB/IC & EZ Shift, 120, 140, & 160, MR, Alpha One & Gen II (s/n 0K999999 & Below) Interchangeable...

      • Sierra 18-7157 O-Ring
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        $5.19
        $4.49

        Sierra 18-7157 O-Ring I.D.: 3.500" or 88.9mm Width: 0.210" or 5.3mm Interchangeable with: GLM 83410 Mallory 9-76542 Mercruiser Stern Drive 25-29976 Mercury Marine 25-29976

      • Mercury 807804 Mercruiser Fitting Thumbnail Image
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        $33.49
        $29.49

        Mercury-MerCruiser 807804 Fitting The Mercury-MerCruiser 807804 Fitting is a genuine Mercury OEM replacement part for compatible Mercury and MerCruiser applications. This fitting is designed to...

      • Sierra 18-0522 Drive Shaft Oil Seal
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        $13.29
        $10.99

        Sierra 18-0522 Drive Shaft Oil Seal Sierra replacement drive shaft oil seal for use on Chrysler/Force/US Marine, Honda Outboard, and Mercury Marine engines. O.D.: 1.474" Shaft Size: 1...

      • Sierra 18-8382 Lower Unit Seal Kit
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        $46.89
        $33.79

        Sierra 18-8382 Mercury Lower Unit Seal Kit Sierra replacement lower unit seal kit for Mercury Outboards. For: 225Hp EFI/250Hp EFI (G129222 & Up), 200Hp (T801000 & Up), 200Hp Optimax DFI (G386496 &...

      • Quicksilver 8M0168577 Retainer Thumbnail Image
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        $43.49
        $38.49

        Quicksilver 8M0168577 Retainer Quicksilver Bearing Carrier Retainer is designed for reliable marine performance and long-lasting durability in select MerCruiser sterndrive applications. Engineered...

      • Sierra 18-1155 Ball Bearing
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        $63.49
        $49.49

        Sierra 18-1155 Ball Bearing Fits IA/IB/IC & EZ Shift, MC-I, R, MR, Alpha One & Gen II Interchangeable with: GLM 21620 Mallory 9-75114 Mercruiser Stern Drive 30-35914 30-17927 30-88957A1...

      • Mercury - Mercruiser 26-816575A-3 Gear Housing Seal Kit
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        $166.49
        $104.99

        Mercruiser 26-816575A-3 Alpha One Gen II Gear Housing Seal Kit Genuine OEM Mercury - Mercruiser part. Application: Alpha One (Gen II) 1998 & up - s/n 0L100040 & up Alpha One (Gen II) 1991 - 1995 -...

      • SEI Mercury Outboard DFI Alpha Repl Lower Unit 2.31:1 20"
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        $1,670.52
        $1,392.10

        SEI Mercury Outboard DFI Alpha Repl Lower Unit 2.31:1 20" Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number ready...

      • Mercury - Mercruiser 44-826193T03 Prop Shaft
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        $341.99
        $300.99

        Mercury - Mercruiser 44-826193T03 Prop Shaft Genuine OEM Mercury-Mercruiser part. Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment, please...

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      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!