(Used) 2006 Freightliner MT45 Chassis, ENGINE ECM- ESN: 46503564, Part Number: 4921776, Serial Number: 26008778, CM: CM850, E/C: Z90030.17, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921