2007 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2007 GM 4.8L, ENGINE ECM - Part Number: 12599161, Serial Number: 86YPUHR172180812, 12613264, Displacement: 4.8L, Horsepower: 285, Engine: P-50571, 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# 86YPUHR172180812, Truck Year 2007, VIN 5B4KPD2V773430708 5B4KPD2V773430708