Used) 2007 GM/Chev (HD), ENGINE ECM- Part Number: 12613264, Serial Number: 86YPUHR171941078, Serv Number: 12602801, HDW Number: 12589161, Engine: P-32992 Displacement: 6.0L, Horsepower: 300, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921