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      Product Listing

      • Sierra 18-8326 Oil Seal
        $12.99
        $9.99

        Sierra 18-8326 Oil Seal Sierra replacement oil seal for Johnson/Evinrude Outboards. O.D.: 29 mm Shaft Size: 18 mm Width: 8/12" Interchangeable with: Johnson/Evinrude Outboard 0342787 Mallory 9-76217

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      • Sierra 18-1356 Pinion Bearing
        $25.49
        $17.99

        Sierra 18-1356 Pinion Bearing Sierra replacement pinion bearing for Mercruiser Stern Drives and Johnson/Evinrude Outboards. Interchangeable with: GLM 11430 Johnson/Evinrude Outboard 382343 Mercruiser Stern Drive 31-54928

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      • Sierra 18-1365 Thrust Bearing
        $51.49
        $35.99

        Sierra 18-1365 Cobra Drive Shaft Thrust Bearing - Special Order est. 10 Days Sierra replacement Drive Shaft Thrust Bearing for Johnson/Evinrude Outboards and OMC Stern Drives. Interchangeable with: GLM 16330 Johnson/Evinrude...

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      • SEI Johnson/Evinrude V6 Replacement Lower Unit
        $1,670.52
        $1,392.10

        SEI 306 Johnson/Evinrude V6 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 calling. The SEI 306 replacement lower unit is...

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      • Sierra 18-2030 Oil Seal Replaces 0321786
        $11.99
        $8.99

        Sierra 18-2030 Johnson/Evinrude Oil Seal Sierra high-quality engine parts are designed to meet OEM specifications. Shaft Size: .625" O.D. 1.125" Width 0.188" Interchangeable with: GLM 86420 Johnson/Evinrude...

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      • SEI Johnson/Evinrude V4 replacement Lower Unit
        $1,670.52
        $1,392.10

        SEI 305 Johnson/Evinrude 1995 - Present V4 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 calling. The SEI 305 replacement...

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      • Sierra 18-1289 Reverse Gear
        $94.99
        $71.99

        Sierra 18-1289 Reverse Gear Sierra replacement Reverse Gear for Johnson/Evinrude Outboards. Interchangeable with: Johnson/Evinrude Outboard 327655 Mallory 9-73543 Special Order Item.

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      • Sierra 18-2399 Retaining Spring
        $2.99
        $2.49

        Sierra 18-2399 OMC Clutch Retaining Spring Sierra Retaining Spring for use on Johnson/Evinrude Outboard and OMC Stern Drives. For: V-4 & V-6 Interchangeable with: GLM 11052 Johnson/Evinrude...

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      • Sierra 18-1368 Thrust Bearing
        $19.49
        $13.49

        Sierra 18-1368 Thrust Bearing Sierra replacement thrust bearing for Johnson/Evinrude Outboards. Interchangeable with: GLM 16370 Johnson/Evinrude Outboard 398901

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      • Sierra 18-2074 Oil Seal
        $16.99
        $11.99

        Sierra 18-2074 Oil Seal Sierra replacement oil seal for Johnson/Evinrude Outboard. O.D.: 2.125" Shaft Size: 1.625" Width: 0.250" Interchangeable with: GLM 86440 Johnson/Evinrude Outboard 322575 339620 318451

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      • .003 Shim
        $1.99
        $1.49

        Sierra 18-2229 Shim Sierra replacement shim for Johnson/Evinrude Outboards and OMC Stern Drives. I.D.: 1.240" Size: 0.003" Interchangeable with: GLM 23590 Johnson/Evinrude Outboard 323362 OMC Stern Drive 323362

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      • Sierra 18-1290 Clutch Dog
        $90.99
        $63.49

        Sierra 18-1290 Clutch Dog Sierra replacement clutch dog for Johnson/Evinrude Outboards. Sierra aftermarket parts are manufactured to meet or exceed OEM requirements. Interchangeable with: Johnson/Evinrude Outboard 337020 Mallory 9-73544

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      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!