Sierra replacement thermostat seal for use with Johnson/Evinrude Outboards. All Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements.
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra Thermostat Seal Special Order est. 10 Days For use on Johnson/Evinrude Outboard Engines For: 60 degree v-4 & v-6 Replaces: 335981
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Johnson - Evinrude 5008181 Valve Assembly-Blow-OffGenuine OEM Johnson/Evinrude part.Special Order Item.
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Johnson - Evinrude 0338174 Spring Thermostat Genuine OEM Johnson/Evinrude part. Supersedes: 0778243
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Sierra Head Gasket Special Order Est. 10 days Use for Johnson/Evinrude Outboard Engine Models: 25hp (1977-78), 35hp (1976-78) Replaces: OMC-0319633, GLM-35840, Redline-RL2954.
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Water Jacket Gasket for Johnson, Evinrude For 25 - 35 HP Replaces: OMC - 0319665 Merc - 802274
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Thermostat Gasket for Johnson Evinrude and Mercury by Sierra For Mercury Mariner, Johnson and Evinrude Outboards (Priced Per Pkg of 2) Replaces: Mercury - 27-62386001 OMC - 0310058 GLM -...
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