(Used) 2007 GM/Chev (HD) V8, 4.8L Gas, ECM- Serial Number: 86YPUHR172290536, Part Number: 12613264, Adv Horsepower: 255, ESN: TBD, Model: YPUH, SERV. Number: 12602801, HDW Number: 12589161, For more information about this item,give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921