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      Product Listing

      • Sierra 18-1366 Thrust Bearing
        $12.99
        $9.99

        Sierra 18-1366 Thrust Bearing Sierra replacement thrust bearing for Johnson, Evinrude, and OMC engines. Interchangeable with: GLM 16300 Johnson/Evinrude Outboard 382408 OMC Stern Drive 382408

        Add to Cart
      • Sierra 18-2021 Oil Seal
        $17.49
        $12.49

        Sierra 18-2021 Oil Seal Sierra replacement oil seal for Johnson/Evinrude Outboards. O.D.: 1.375" Shaft Size: 0.750" Width: 0.250" Interchangeable with: GLM 86350 Johnson/Evinrude Outboard 0302564 313285

        Add to Cart
      • Sierra 18-2024 Oil Seal
        $15.99
        $12.49

        Sierra 18-2024 Oil Seal O.D.: 0.937" Shaft Size: 0.425" Width: 0.312" Interchangeable with: GLM 86400 Johnson/Evinrude Outboard 0314167

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      • Sierra 18-2066 Oil Seal
        $30.99
        $21.99

        Sierra 18-2066 Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. For use on OMC Stern Drives. O.D.: 1.375" Shaft Size: 1.000" Width: 0.435" Interchangeable with: GLM 86070 OMC Stern...

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      • Sierra 18-2073 Oil Seal Replaces 0981268
        $21.49
        $14.99

        Sierra 18-2073 Oil Seal for OMC, Johnson and Evinrude Drive Systems Shaft Size: 1.625" O.D. 2.502" Width 0.250" Interchangeable with: GLM 86090 OMC Stern Drive 981268 907967 313191 981587

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      • Sierra 18-2064 Oil Seal
        $10.49
        $7.99

        Sierra 18-2064 Oil Seal for Johnson/Evinrude Outboards Sierra replacement oil seal for Johnson/Evinrude Outboards. O.D.: 1.130" Shaft Size: 0.730" Width: 0.194" Interchangeable with: GLM 86460 Johnson/Evinrude...

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      • Sierra 18-2187 Prop Shaft
        $670.49
        $469.49

        Sierra 18-2187 Prop Shaft Sierra replacement propeller shaft for Johnson/Evinrude Outboards and OMC Stern Drives. Overall Length: 17-7/8" Interchangeable with: GLM 22414 Johnson/Evinrude Outboard 391472 395209 OMC Stern...

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      • Sierra 18-8351 Oil Seal
        $28.99
        $20.49

        Sierra 18-8351 Oil Seal Sierra replacement oil seal for Johnson/Evinrude Outboards. O.D.: 1.570" Shaft Size: 1.110" Width: 0.320" Interchangeable with: GLM 87130 Johnson/Evinrude Outboard 0321504 308500

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      • Sierra 18-1291 Gear Set
        $645.99
        $452.49

        Sierra 18-1291 Gear Set Sierra replacement gear set for use on Johnson/Evinrude Outboard Engines. Set includes 18-2216 Sliding Clutch. For Commercial V-4 gearcases Interchangeable with: Mallory 9-73550

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      • Sierra 18-1369 Thrust Bearing
        $25.49
        $17.99

        Sierra 18-1369 Thrust Bearing Sierra replacement thrust bearing for Johnson/Evinrude Outboards. Interchangeable with: GLM 22940 Johnson/Evinrude Outboard 432264

        Add to Cart
      • Sierra 18-2031 Oil Seal
        $15.99
        $11.49

        Sierra 18-2031 Oil Seal O.D.: 1.125" Shaft Size: 0.625" Width: 0.312" Interchangeable with: GLM 86190 Johnson/Evinrude Outboard 0321787 Mallory 9-76209

        Add to Cart
      • Sierra 18-8307 Lower Main Seal
        $36.99
        $25.99

        Sierra 18-8307 Lower Main Seal Sierra replacement lower main seal. O.D.: 1.628" Shaft Size: 1.110" Width: 0.448" Interchangeable with: GLM 86790 Johnson/Evinrude Outboard 0331103

        Add to Cart

      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!