2007 Allison 2200, Truck Delivery, Transmission ECMs, Fits to: Freightliner MT55 Chassis, (Used) 2011 Allison (AT), TRANSMISSION ECM- (REMANUFACTRED) ECM Model: A53, Part Number: 29545538, Serial Number: BK5538N3115900FB, Transmission information- Model: 2200, Serial Number: 655224A, 1 Rectangular Plug with 80 Pins, Part Number: E013055, 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# BK5538N3115900FB, Casting# BK5538N3115900FB, Truck Year 2007 4UZAARCP27CY92996