2006 Cummins ISB, Truck Delivery, ECMs, Fits to: Freightliner MT45 Chassis, (Used) 2006 Cummins ISB, ECM- Serial Number: 29028184, Part Number: 4921776, ESN: 46593473, Engine: P-31816, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921, Serial# 29028184, Casting# 29028184, Truck Year 2006 4UZAANBW66CX32300