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      Johnson Outboard Thermostats & Gaskets Product Listings

      • Quicksilver 8M6012541 Johnson Evinrude 4-stroke crossflow thermostat photo
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        $24.99
        $21.99

        Quicksilver 8M6012541 - Thermostat for Johnson/Evinrude 9.9/15hp-250hp modelsFor the best performance, efficiency and reliability, keep your engine running at its optimal temperature with a new Quicksilver 8M6012541 Thermostat for Johnson/Evinrude 9...

      • Sierra 18-0441-9 Thermostat Gasket (Priced Per Pkg Of 2)
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        $3.49
        $2.49

        Sierra 18-0441-9 Thermostat Gasket (Priced Per Pkg Of 2) Sierra replacement thermostat gasket for Johnson/Evinrude Outboards. Interchangeable with: GLM 35410 Johnson/Evinrude Outboard 329076

      • Sierra 18-2547-9 Water Passage Cover Gasket (Priced Per Pkg Of 2)
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        $6.89
        $5.39

        Sierra Water Passage Cover Gasket  Priced Per Pkg of 2 Special Order est. 10 Days For use on Johnson/Evinrude Outboard Engines, V-4 & V-6 Replaces:  322858

      • Johnson - Evinrude 0330273 Thermostat Cup
        $7.49
        $6.99

        Johnson - Evinrude 0330273 Thermostat Cup Genuine OEM Johnson/Evinrude part. Special Order Item.Special Order BRP-Johnson/Evinrude Marine Information: Additional Handling Time: Item transfers from an alternate warehouse requires an additional 2–3...

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        Johnson - Evinrude 0331894 Elbow
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        $7.49
        $4.99

        Johnson - Evinrude 0331894 Elbow Genuine OEM Johnson/Evinrude part. Special Order Item.

      • Sierra 18-0675 Thermostat Gasket
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        $1.99
        $1.69

        Sierra 18-0675 Thermostat Gasket Sierra replacement thermostat gasket for Johnson/Evinrude Outboards. Interchangeable with: GLM 34440 Johnson/Evinrude Outboard 321932

      Johnson OEM Engine Parts Finder

      Johnson Outboard Thermostats

      The boat thermostat is an often underappreciated component of every craft. This mechanism regulates engine temperature and ensures optimal performance. Boat engines run at max performance which can generate a lot of heat. Should the engine begin to overheat, thermostats provide the operator the first line of defense in preventing an expensive repair or possible replacement. In addition, the thermostat other assignment is to control emission levels so your boat stays regulation-compliant.

      Find the Parts Your Boating Life Needs

      Wholesale Marine carries dependable Johnson outboard thermostats, as well as all the replacement parts you need to keep your vessel running at the optimal performance: diaphragm gaskets, rubber valves, grommets, vernatherms, and all-inclusive kits can all be located online using our parts finder tool. All of our replacement Johnson outboard thermostats meet or exceed OEM specifications and are, of course, backed by a price match guarantee.

      At Wholesale Marine, we strive to be your number one trusted source for boat parts and supplies, so we take customer satisfaction seriously. Our customer service representatives are boat enthusiasts themselves and are ready to offer guidance on Johnson outboard thermostats. We are here Monday through Friday, from 9:00 AM until 6:00 PM, EST at (877) 388-2628 to assist. Through our Captain’s Loyalty Rewards program, free shipping on orders over $99, and same-day shipping, we are always looking to provide customers with an optimal shopping experience.