(Used) GM/Chev (HD), ENGINE PCM- Part Number: 12613264, Extension: 86YPUHR171381624, Serial Number: 12589161, Serv. Number: 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