Cummins 4309185 Replacement Thermostat QSB 3.3L engines

QSB 3.3L Cummins 4309185 Replacement Thermostat this OEM comments, thermostat is in stock and ready for immediate shipment! 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.  The Cummins Replacement Thermostat Kit 4309185 is used primarily on: ISB 3.3L engines. QSB 3.3L engines. NOTE: We request you provide the ESN to ensure you are ordering the correct OEM Cummins replacement thermostat for your engine. This Cummins 4309185 Thermostat is an OEM replacement Thermostat for Cummins QSB 3.3L 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 pa