2007 GM/Chev (HD) 6.0L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2007 Workhorse GM/Chevy HD 6.0L ENGINE ECM - Part Number: 12589161, Serial Number: 86YPUHR171970514, Service Number: 12602801, 651204, 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# 86YPUHR171970514, Truck Year 2007, VIN 5B4KPD2U673429539 5B4KPD2U673429539