2007 GM/Chev (HD) 8.1L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W62, (Used) 2007 GM/Chev (HD) 8.1L, ENGINE ECM- Part Number: 12613264, Serial Number: 86YPUHR171920442, HDW Number: 12589161, Engine information- Family Number: 7GMXH08.1503, ESN: 52119D022, 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# 86YPUHR171920442, Casting# 86YPUHR171920442, Truck Year 2007 5B4MPG2G273429106