(Used) 2007 Chevrolet 4.8 ENGINE ECM- Serial Number: 86YPUHR172330272, Part Number: 12589161, Serv. No.: 12602801, 12613264 YPUH Truck: 573734 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921