(Used) 2007 GM 8.1LGAS, ECM- Serial Number: 86YPUHR171730840 Part Number: 12613264 Adv Horsepower: 330 ESN: TBD Model: YPUH HDW Number: 12589161 Serv No: 12602801 For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921