2011 GM/Chev (HD) 6.0L, Truck Delivery, ECMs, Fits to: Workhorse Custom Chassis W62, (Used) 2010 GM/Chev (HD) V8,6.0L Gasoline, ENGINE ECM - Part Number: 12640466, Serial Number: 86AAUSK011449038, Service Number: 12616532, Family Number: BGMXE06.0584, Displacement: 6.0L, Horsepower: 300, Engine: P-47544, 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# 86AAUSK011449038, Truck Year 2011, VIN 5B4LFG2E0B3447383 5B4LFG2E0B3447383