2007 GM/Chev (HD) V8, 6.0L, Gasoline, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2006 GM 6.0L, ECM- Serial Number: 86YPUHR171420811, Part Number: 12613264, 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# 86YPUHR171420811, Casting# 86YPUHR171420811, Truck Year 2007 5B4KPD2U573427605