3843722 S Fuel Heater Thermostat Switch With Plug Wire Fits Dodge Cummins 94-98


Fuel heater thermostat switch for Dodge Cummins 1994-1998 12 Valve. This is the thermostat switch in the pre-filter/heater that is located just in front of the lift pump. When this thermostat fails and sticks on, the heating element overheats and warps causing a leak in the fuel system.

See part location guide HERE