0 GM/Chev (HD) Other, , ECMs, Fits to: , (Used) GM, ENGINE PCM- Part Number: 1257116, Extension: 86YKYW927037LXLR, 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, Serial# 12589161, Casting# 12589161, Part# 1257116
