(Used) 2014 Detroit DD15, ENGINE MCM- Model: Control Module MCM2.1, Part Number: HDE0273959 56, Serial Number: A0014462835/002, HW: D2, ESN: 472906S0273959, For more information about this item, give me a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921