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      Mercury Outboard Gearcase & Drive Parts Product Listings

      • Sierra 18-1564 Gear Set--Forward
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        $365.59
        $263.29

        Sierra 18-1564 Gear Set-Forward Sierra replacement gear set for Mercury Marine engines. Ratio: 1.87:1 Interchangeable with: Mallory 9-73451 Mercury...

      • Sierra 18-2015 Oil Seal
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        $22.69
        $16.29

        Sierra 18-2015 Oil Seal O.D.: 1.250" Shaft Size: 0.750" Width: 0.250" Interchangeable with: GLM 85210 Mercruiser Stern Drive 26-23517 Mercury Marine 20250 26-23517

      • Sierra 18-7160-9 O-Ring (Priced Per Pkg Of 5)
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        $17.49
        $12.59

        Sierra 18-7160-9 O-Ring (Pkg Of 5) Sierra replacement O-ring for Mercury and Mercruiser engines. I.D.: 2.635" or 67mm Width: 0.210" or 5.3mm Package of 5 Interchangeable...

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

        Mercury - Mercruiser 44-8M0088568 Propeller Shaft Genuine OEM Mercury-Mercruiser part. Special Order Mercury Marine Information: Additional Handling Time: Item transfers from an alternate warehouse...

      •  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 8M0099218 4-Stroke Gearcase Assembly 1.921 20"
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        $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...

      • 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 18-0297 Oil Seal
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        $13.69
        $10.59

        Sierra 18-0297 Oil Seal Sierra replacement oil seal for Yamaha and Mercury engines. I.D.: 22.75 mm O.D.: 1.457" or 37.25mm Shaft Size: 0.906" Width: 0.236" or 6 mm Interchangeable...

      • Sierra 18-2050 Oil Seal
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        $17.79
        $12.79

        Sierra 18-2050 Mercury Oil Seal Sierra replacement oil seal for Mercury Outboards. O.D.: 1.253" Shaft Size: 1.000" Width: 0.125" Interchangeable with: Mallory 9-76112 Mercury...

      • 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 18-7152 O-Ring
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        $3.59
        $2.99

        (201) O-RING

      • Sierra 18-7155 O-Ring
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        $2.89
        $2.49

        Sierra 18-7155 O-Ring I.D.: 1.620" or 41.1mm Width: 0.135" or 3.4mm Interchangeable with: Chrysler/Force/US Marine 25-26855 GLM 82230 Johnson/Evinrude Outboard 305270 Mallory 9-76541 ...

      • Sierra 18-74501 Gear Housing Seal Kit
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        $100.59
        $72.39

        Sierra 18-74501 Gear Housing Seal Kit Sierra replacement gear housing seal kit for Yamaha and Mariner outboards. Does not include Driveshaft Housing Gasket Fits: Mariner 9.9C & 15C...

      • Mercury - Mercruiser 17-8M0100263 Pin
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        $3.79
        $2.59

        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...

      • 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...

      • Mercury - Mercruiser 43-803615T-2 Repair Kit-Gears
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        $628.49
        $527.99

        Mercury - Mercruiser 43-803615T-2 Repair Kit-Gears Genuine OEM Mercury-Mercruiser part. .Special Order Item: This product is ordered specifically for your application. To help ensure proper fitment,...

      • Mercury - Mercruiser 44-41630T Prop Shaft
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        $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...

      • 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...

      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!