0 GM/Chev (HD) 4.8, , ECMs, Fits to: , (Used)GM/Chevy (HD) 4.8L ENGINE ECM - Part Number: 12635858, Serial Number: 86AAKAK200850XWT, Warranty Security Tag: 177946, 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# 86AAKA200850XWT, Part# 12635858,
