ISX Oil Thermostat bypass valve (replaces thermostat # 3690535)

This self explanatory, bypass valve for your ISX oil thermostat. Fits most 870 / 871 / and some X15 applications. Note that there are 2 models of this bypass valve. To ensure that you get the correct one, search the Thermostat part number for your ESN, or contact our parts team.

This bypass valve replaces OEM thermostat # 3690535CUM

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