(Used) 2007 GM/Chev (HD), ECM- Serial Number: 86YPUHR171760256, Part Number: 12613264, Serv Number: 12602801, HDW Number: 12589161, Model: YPUH, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921