Cummins 3864178 Replacement Thermostat for the ISB engines

ISB Cummins 3864178 Replacement Thermostat PLEASE ENTER YOUR ENGINE SERIAL NUMBER - ESN SO WE CAN VERIFY THE CORRECT THERMOSTAT FOR YOUR ENGINE. CUMMINS PARTS ARE NON-REFUNDABLE. You must enter your EIN to purchase this part.  If you are using the part number from the actual part in hand, you may enter it in the EIN field to verify this is the part you want.  This Cummins 3864178 Thermostat is an OEM replacement Thermostat for Cummins ISB Diesel engines. This thermostat is the stock replacement part needed for a leak-proof change for the correct engine operating temperatures. This Cummins Thermostat contains the following required Original Equipment Manufacturer parts: Thermostat This Cummins 3864178 Replacement Thermostat applications: Select ISB Diesel Engines Note: If your ISB engine is experiencing coolant temperature gauge cycling, replace your existing thermostat with this Cummins 3864178  thermostat. The new Cummins 3864178 thermostat provides a slower coolant response rate