2007 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2006 GM/Chev (HD) 4.8L, ENGINE ECM - Part Number: 12589161, Serial Number: 86YPUHR172290505, Service Number: 12602801, 12613264, Family Number: 7GMXH04.8581, Displacement: 4.8L, Horsepower: 285, Engine: P-47945, 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# 86YPUHR172290505, Truck Year 2007, VIN 5B4KPD2VX73431447 5B4KPD2VX73431447