(Used) Detroit DD15, ENGINE ECM- Model: MCM, Part Number: A 005 446 78 40 ZGS 001, Serial Number: 06R1008270, Temic: 00404696A7 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921