(Used) (REMANUFACTURED 2021) GM/Chev (HD) 6.0L, ENGINE ECM- ECM Model: E78, Part Number: 12692865, Serial Number: 86ACGYK51111R10M, Displacement: 6.0L, 1 Rectangular Plug with 55 Pins, 1 Rectangular Plug with 73 Pins, 1 Rectangular Plug with 65 Pins, 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