0 Allison 1000HS, , Transmission ECMs, Fits to: Freightliner MT45 Chassis, (Used) 2005 Allison (AT), TRANSMISSION ECM- ECM Model: A41, Part Number: 29544773, Serial Number: BK4773N16117AZ6Z, 1 Rectangular Plug with 80 Pins, Minor damage!! 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# BK4773N16117AZ6Z, Casting# BK4773N16117AZ6Z, Truck Year Not Available