2010 GM/Chev (HD) 4.8, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W42, (Used) 2010 Workhorse GM/Chevy (HD) 4.8L ENGINE ECM - Part Number: 12635858, Serial Number: 86AAKAK2017472C3, Service Number: 12633238, Warranty Security Tag: 178140, 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# 86AAKAK2017472C3, Truck Year 2010, VIN 5B4JFD2D8A3441830 5B4JFD2D8A3441830