2007 GM/Chev (HD) 6.0L, TRUCK DELIVERY, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2006 GM/Chev (HD) 6.0L, ENGINE ECM - Part Number: 12589161, Serial Number: 86YPUHR171730845, 12613264, Family Number: 7GMXH06.0583, Displacement: 6.0L, Horsepower: 300, ESN: 52119G311, Engine Part Number: 52G7D335A, Engine: P-47041, 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# 86YPUHR171730845, Truck Year 2007, VIN 5B4KPD2U973428448 5B4KPD2U973428448