2007 GM/Chev (HD) 8.1L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W62, (Used) 2007 GM/Chevy (HD) 8.1L, ENGINE ECM - Part Number: 12589161, Serial Number: 86YKYW926212J1X6, Service Number: 12602801, Engine Information- Displacement: 8.1L, Horsepower: 320, 2 Rectangular Plugs with 80 Pins Reference images for condition 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# 86YKYW926212J1X6, Truck Year 2007, VIN 5B4MPG2G973421228 5B4MPG2G973421228