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Simplify your twin to single conversion with this easy to install performance kit
8S bulldozer equipment
Heavy duty 1/2" frame (now only available in 3/8")
inframe kit
AirDog® HD makes this process simple with the AirDog® Cummins N14 Fuel Line Kit
ISX Oil Thermostat bypass valve (replaces thermostat # 3690535) maxx 13 Simplify your twin to singleThis 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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