(Used) 2008 GM/Chev (HD), ENGINE ECM- Model: YRUC, Part Number: 12629209, Serial Number: 86YRUCK18175GTSK, Serv. Number: 12625455, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921 - Casting/Serial#: 86YRUCK18175GTSK - Engine Make: GM/Chev (HD) - Engine Model: V8, 4.8L, Gas