2007 Allison 2200RDS, Truck Delivery, Transmission ECMs, Fits to: Freightliner MT55 Chassis, (Used) 2006 Allison (AT), TRANSMISSION ECM- ECM Model: A41, Part Number: 29545322, Serial Number: BK5322N16303LE0F, 12 Volts, Transmission Model: 2200RDS, Serial Number: 6310753687, Plug Pins: 80 Pins Plug Rectangular, 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# BK5322N16303LE0F, Casting# BK5322N16303LE0F, Truck Year 2007 4UZAARCP57CY73844