2007 GM/Chev (HD) 6.0L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2006 GM 6.0L, ENGINE ECM- Serial Number: 86YPUHR171990399, Part Number: 12589161, Service Number: 12602801, 12613264, YPUH Displacement: 6.0L, Horsepower: 300, 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# 86YPUHR171990399, Truck Year 2007, VIN 5B4KPD2U073429827 5B4KPD2U073429827