2007 GM/Chev (HD) 6.0L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2006 GM 6.0L, ECM- Model: YPUH, Service Number: 12602801, Serial Number: 86YPUHR171790247, 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# 86YPUHR171790247, Casting# 86YPUHR171790247, Truck Year 2007 5B4KPD2U473428826