2005 Allison 2400, , Transmission ECMs, Fits to: Other Other, (USED) 2004 Allison 200/2400, TCM. S/N-BKDYPSM142052GR3 P/N-29542725 Model-2000/2400 For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921, Serial# BKDYPSM142052GR3, Casting# BKDYPSM142052GR3, Truck Year 2005