2007 GM/Chev (HD) V8, 4.8L, Gas, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2006 GM/Chev (HD), ECM- Part Number: 12613264 Serial Number: 86YPUHR171721432, Serv Number: 12602801, HDW Number: 12589161, 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# 86YPUHR171721432, Casting# 86YPUHR171721432, Truck Year 2007 5B4KPD2U973428580