2006 Cummins ISB, Truck Delivery, ECMs, Fits to: Freightliner MT45 Chassis, (Used) 2006 Cummins ISB, ECM- CM: CM850, Part Number: 4921776, Serial Number: 26022256, Engine Information- ESN: 46517980, Reference images for condition. 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# 26022256, Casting# 26022256, Truck Year 2006 4UZAANBW56CW17655