2014 GM/Chev (HD) 6.0L, Truck Delivery, ECMs, Fits to: Freightliner MT45, (Used) 2014 GM 6.0L ENGINE ECM - Part Number: 12654015, Service Number: 12643636, 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# N/A, Truck Year 2014, VIN 4UZAC2DV5ECFX2750 4UZAC2DV5ECFX2750