(Used) 2006 GM 6.0L ECM- Part Number:12613264, Serial Number: 86YPUHR171940312, Serv Number: 12602801, HDW Number: 12589161, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK TRUCK) 929 W PULASKI HWY, ELKTON, MD 21921