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      Johnson Outboard Gearcase & Drive Parts Product Listings

      • Sierra 18-2945-9 Drain Screw Gasket (2Pk) Replaces 12-191833
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        $2.69
        $2.29

        Sierra 18-2945-9 Drain Screw Gasket (2 pack) This Sierra 18-2945 Drain Screw Gasket is used with 3/8-16 drain/fill screw found on all MerCruiser and most Mercury/Mariner O/Bs. This gasket is used in most lower units and sea water pumps. Sold as a 2...

      • Sierra 18-2001 Oil Seal Replaces 0330137
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        $13.99
        $10.89

        Sierra 18-2001 Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. For use on Johnson/Evinrude Outboards and OMC Stern Drives. Features: O.D.: 1.624" Shaft Size: 1.125" Width: 0.250" Interchangeable...

      • Sierra 18-2060 Oil Seal Replaces 0321467
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        $18.29
        $13.19

        Sierra 18-2060 Oil Seal for OMC, Johnson and Evinrude Drive Systems Features: Shaft Size: 1.00" O.D. 1.375" Width 0.250" Interchangeable with: GLM 86060 Johnson/Evinrude Outboard 0321467 303804 Mallory 9-76206 OMC Stern...

      • Sierra 18-2378 Magnetic Drain Screw Replaces 0318544
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        $18.19
        $13.09

        Sierra 18-2378 OMC, Johnson/Evinrude Magnetic Drain Screw Sierra high-quality engine parts are designed to meet OEM specifications. Head Style: Slot Head Fits Cobra 2.3, 3.0, 3.8 & 5.8L (1986-95), V-6, V-4 (1979-Up), 60-75hp 3 cyl. 40/50hp...

      • Sierra 18-2029 Oil Seal Replaces 0321481
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        $18.29
        $13.19

        Sierra 18-2029 Oil Seal for OMC, Johnson and Evinrude Drive Systems Features: Shaft Size: .687" O.D. 1.250" Width 0.188" Interchangeable With: GLM 86180 Johnson/Evinrude Outboard 319256 0321481 Mallory 9-76218  

      • Sierra 18-2016 Oil Seal Replaces 26-41953
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        $15.79
        $13.49

        Sierra 18-2016 Oil Seal Replaces 26-41953 Sierra high-quality engine parts are designed to meet OEM specifications. Shaft Size: 1.187" O.D. 1.875" Width 0.250" Interchangeable with: GLM 85010 Mallory 9-76100 Mercury...

      • Sierra 18-2035 Oil Seal Replaces 0327031
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        $12.49
        $10.59

        Sierra 18-2035 Oil Seal for OMC, Johnson and Evinrude Drive Systems Shaft Size: .425" O.D. .875" Width 0.313" Interchangeable with: GLM 86450 Johnson/Evinrude Outboard 300599 0327031  

      • Sierra 18-2002 Oil Seal Replaces91252-ZW1-003
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        $15.59
        $12.19

        Sierra 18-2002 Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. Features: O.D.: 1.692" Shaft Size: 1.188" Width: 0.250" Interchangeable With: Chrysler/Force/US Marine 26-76868 GLM 85130 Honda...

      • Sierra 18-2692 Lower Unit Seal Kit
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        $88.09
        $63.39

        Sierra 18-2692 Lower Unit Seal Kit for Johnson & Evinrude Outboard Engines Sierra replacement engine parts are designed to meet OEM specifications. Kit Includes: (1) 18-0110 Shift Housing Gasket (2) 18-2001 Oil Seal (2) 18-2026 Oil Seal (1)...

      • Sierra 18-2026 Oil Seal Replaces 26-16977
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        $18.29
        $13.19

        Sierra 18-2026 Seal for Mercruiser, OMC, Johnson and Evinrude Drive Systems Sierra replacement Line Cutter Seal. Shaft Size: .875" O.D. 1.250" Width 0.188" Use with: 18-2093 Oil Seal Interchangeable with: GLM 85040 Johnson/Evinrude...

      • Sierra 18-4255 E-Tec Drain Screw
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        $5.79
        $4.89

        Sierra 18-4255 E-Tec Drain Screw Head Style: Allan Head Interchangeable with: Johnson/Evinrude Outboard

      • Sierra 18-2694 Lower Unit Seal Kit Replaces 0433550
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        $53.49
        $38.59

        Sierra 18-2694 Lower Unit Seal Kit for Johnson & Evinrude Outboard Engines Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 87614 Johnson/Evinrude...

      • Sierra 18-2660 Lower Unit Seal Kit Replaces 5000309
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        $74.09
        $53.39

        Sierra 18-2660 Lower Unit Seal Kit for Johnson, Evinrude Outboards Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: GLM 87601 Johnson/Evinrude Outboard 0396349 Mallory 9-74103 Kit...

      • Sierra 18-4253-9 Drain Screw O-Ring (5Pk) Replaces 0336982
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        $3.09
        $2.59

        Drain Screw O-Ring (5 pk) for Johnson, Evinrude, OMC Used with Drain Screw 18-1236 and is a special order - est. 10 Days. Replaces: OMC - 336982 Mallory 9-76653 GLM 45290  

      • Sierra 18-2659 Lower Unit Seal Kit Replaces 0396355
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        $81.89
        $58.89

        Sierra 18-2659 Lower Unit Seal Kit for Johnson, Evinrude Outboards Sierra high-quality replacement engine parts are designed to meet OEM specifications. Interchangeable with: GLM 87603 Johnson/Evinrude...

      • Sierra 18-2062 Oil Seal
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        $11.49
        $8.89

        Sierra 18-2062 Johnson/Evinrude Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. O.D.: 1.375" Shaft Size: 0.875" Width: 0.207" Interchangeable with: GLM 86250 Johnson/Evinrude...

      • Sierra 18-2061 Oil Seal
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        $9.59
        $7.49

        Sierra 18-2061 Oil Seal O.D.: 1.375" Shaft Size: 0.822" Width: 0.195" Interchangeable with: GLM 86240 Johnson/Evinrude Outboard 0329922 Mallory 9-76219  

      • Sierra 18-2022 Oil Seal Replaces 0303345
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        $27.39
        $19.69

        Sierra 18-2022 Oil Seal for OMC, Johnson and Evinrude Drive Systems Features: Shaft Size: .554" O.D. 1.0" Width 0.375" Interchangeable With: GLM 86360 OMC Stern Drive 303345  

      • Johnson - Evinrude 0768306 Moly Lube - 3.5 oz.
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        $8.99
        $7.99

        Johnson - Evinrude 0768306 Moly Lube - 3.5 oz. Genuine OEM Johnson/Evinrude part. This molybdenum-filled lubricant is called for in Evinrude and Johnson service manuals for lubricating armature plate pilots and upper driveshaft splines. Moly...

      Johnson OEM Engine Parts Finder

      Johnson Outboard Gearcase

      Shims, yokes, and spool- what are these parts for and where do they go in your Johnson outboard gearcase? So begins the quandary of every newbie marine DIYer. Just the idea of “gearcase” is intimidating but know that you’ve made a wise choice in buying your Johnson engine. Hoping to perform preventative maintenance or repair a broken part is next on your ‘To Do” to “To Done” list. So be aware that Wholesale Marine has all that you need for your Johnson outboard gearcase for just about every Johnson drive. And the staffers who can guide you through selecting the right part for your Johnson gearcase. Now, doesn’t that make you feel more confident already? It should! Read on! 

      Where to Begin?

      Whether a pro boater or a casual weekend cruiser, your Johnson outboard gearcase needs attention from time to time. The delicate intricacies of the gearcase are not to be taken lightly, and we recommend referring to your engine’s manual, manufacturer’s website, or a number of other resources as you diagnose or update your boat’s engine. Once you know what you are looking for, we strive to make it as easy as possible to locate it, beginning with our Parts Selection Guide. You can depend on Wholesale Marine to provide high quality Johnson outboard parts and Johnson sterndrive parts from the top brands in the industry. We offer a wide array of Johnson outboard gearcase components. We carry a comprehensive inventory of Johnson outboard parts including Johnson Outboard Gear Housing Seal Kits, Johnson Outboard Prop & Driveshaft Seals, Johnson Outboard Drive Shafts, Johnson Outboard Prop Shafts, Johnson Outboard Forward Gears, Johnson Outboard Gearcase Bearings, Johnson Outboard Gearcase Complete, and Johnson Outboard Shims. By now you should be convinced that Wholesale Marine will carry whatever your Johnson outboard gearcase needs.

      Whether an engine expert or a newer novice, we want to assist you in your Johnson outboard gearcase journey. We have a highly-trained team full of experienced boaters who have been in your shoes and can help you choose the right part from the get-go. We are here Monday through Friday, 9:00 AM to 6:00 PM EST, at (877) 388-2628 to help you narrow down your search and select just the right part for the job. Our Captain’s Club Rewards Program, shipping perks, and price match guarantee are added bonuses to ensure each and every customers’ satisfaction. Remember, you can always depend on Wholesale Marine for high quality Johnson outboard parts from the top brands in the industry. So plan to call us for all your boating needs today!