2006 Allison N/A, Truck Delivery, Transmission ECMs, Fits to: Freightliner MT45 Chassis, (Used) 2005 Allison (AT), TRANSMISSION ECM- ECM Model: 5421-L, Part Number: 29542725, Serial Number: BKDYPSM1516447VL, 12 Volts, 10R-020284, 2 Rectangular Plug with 32 Pins each, 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# BKDYPSM1516447VL, Casting# BKDYPSM1516447VL, Truck Year 2006 4UZAANBW56CW17638