2007 GM/Chev (HD) 8.1L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W62, (Used) 2006 GM/Chev (HD) 8.1L, ENGINE ECM- Serial Number: 86YPUHR171940382, Part 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# 86YPUHR171940382, Casting# 86YPUHR171940382, Truck Year 2007 5B4MPG2G873429482