2005 Allison 2400, , Transmission ECMs, Fits to: Other Other, (USED) 2004 Allison 2400, TCM. S/N-BKDYPSM14251216K P/N-29542725 Model-2400 For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# BKDYPSM14251216K, Casting# BKDYPSM14251216K, Truck Year 2005