0 GM/Chev (HD) Other, , ECMs, Fits to: Other Other, (Used) GM/Chev(HD) ECM- Serial Number:86YKYW926207JA00, Part Number: 12597116, HDW Number:12589161, 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# Other, Casting# Other, Truck Year OTHER Other