(Used) 2012 Cummins QSB6.7, ENGINE ECM- Serial Number: 147491, Part Number: 4993120, ESN:73430733, ECM CODE: BZ90037.05 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921