2007 GM/Chev (HD) 6.0L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W62, (Used) 2007 GM/Chev (HD) 6.0L, ENGINE ECM- Part Number: 12597116, Serial Number: 86YKYW926207J9YH, HDW Number: 12589161, 2 Rectangular Plug with 80 Pins each, 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, Serial# 86YKYW926207J9YH, Casting# 86YKYW926207J9YH, Truck Year 2007 5B4MPG2G873421480