Cummins 3802968 180 Degree Thermostat Kit

B3.9L/B5.9L Cummins 3802968 180 Degree 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 ESN to purchase this part.  If you are using the part number from the actual part in hand, you may enter it in the ESN field to verify this is the part you want.  This 180 Degree Cummins 3802968 Thermostat is an OEM replacement Thermostat for Cummins B3.9L/B5.9L Diesel engines. This thermostat is the stock replacement part needed for a leak-proof change for the correct engine operating temperatures. This OEM Cummins 180 Degree Replacement Thermostat Kit contains the following required Original Equipment Manufacturer parts: 3972071 Thermostat This Cummins 3802968 Replacement Thermostat applications: Cummins 4B 3.9L Diesel Engines Cummins 4BT 3.9L Diesel Engines Cummins 6B B5.9L Diesel Engines Cummins 6BT 5.9L Diesel Engines Note: If your B3.9L/B5.9L engine is exper