2007 GM/Chev (HD) 8.1L GAS, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W62, (Used) 2007 GM 8.1L, ECM- Serial Number: 86YPUHR171980158, Part Number: 12613264, Horsepower: 320, 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# 86YPUHR171980158, Casting# 86YPUHR171980158, Truck Year 2007 5B4MPG2G973430026