2009 Allison 1000HS, Truck Delivery, Transmission ECMs, Fits to: Freightliner MT45 Chassis, (Used) 2008 Allison (AT), TRANSMISSION ECM- ECM Model: A51, Part Number: 29545536, Serial Number:BK5536N18148012F, A5100BM9, 12 Volts, Transmission Model: 1000HS, 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# BK5536N18148012F, Casting# BK5536N18148012F, Truck Year 2009 4UZAANDU99CAF4740