0 GM/Chev (HD) 4.8, , ECMs, Fits to: , (Used) 2006 GM/Chev (HD) 4.8L, ENGINE ECM- Part Number: 12613264, Serial Number: 86YPUHR171980191, HDW Number: 12589161, Engine information- Family number: 7GMXR0223840, 2 Rectangular Plug with 80 Pins each, Reference images for condition. For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921, Serial# 86YPUHR171980191, Part# 12613264,