(Used) 2007 GM/Chev(HD) ECM- Serial Number: 86YKYW926192HEF0 Part Number:12519161, Serv Number 12602807, HDW Number:12589161, Model: YKYW For more information about this item, give us a Call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921