0 GM/Chev (HD) Other, , ECMs, Fits to: Not Available , (Used) GM/Chevy HD ENGINE ECM - Part Number: 12589161, Serial Number:89YHZP90425412KK, Service Number: 12589462, 12591721, YHZP 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# 89YHZP90425412KK, Part# 12589161,
