Cummins 3931374 Replacement Thermostat for the SB/ISC/QSB engines.

ISB/ISC/QSB Cummins 3931374 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 xxx Cummins 3931374 Thermostat is an OEM replacement Thermostat for Cummins ISB/ISC/QSB 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 3931374 Replacement Thermostat applications: Select ISB Diesel Engines Select ISC Diesel Engines Select QSB Diesel Engines Note: If your ISB/ISC/QSB engine is experiencing coolant temperature gauge cycling, replace your existing thermostat with this Cummins 3931374 thermost