0 Cummins ISB, , ECMs, Fits to: Freightliner MT45 Chassis, (Used) 2006 Cummins ISB, ENGINE ECM- CM: CM850, Part Number: 4921776, Serial Number: 29044626, ECM CODE: Z90030.18, Engine information- ESN: 46620654, 1 Rectangular Plug with 4 pins, 1 Rectangular Plug with 60 pins, 1 Rectangular Plug with 50 pins, 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# 29044626, Casting# 29044626, Truck Year Not Available