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Add to CartSierra aftermarket engine parts are manufactured to meet or exceed OEM requirements.
Interchangeable with:
Supersedes: 18-0873
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-0665-9 Thermostat Gasket (Priced Per Pkg Of 2) Sierra replacement thermostat gasket for Indmar engines. Used on older style (late 80's early 90's) Indmar thermostat housings. Ford...
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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...
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Sierra 18-0929-9 Thermostat Gasket (Priced Per Pkg Of 2) For use on Johnson/Evinrude Outboard 3 cyl. engines, OMC Sterndrive/Cobra I/O engines, & Volvo Penta I/O 3.L GS, GL Special Order est...
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