2007 Allison 1000HS, Truck Delivery, Transmission ECMs, Fits to: Freightliner MT45 Chassis, (Used) 2006 Allison (AT), TRANSMISSION ECM- ECM Model: A41, Part Number: 29544773, Serial Number: BK4773N16166E1LH, Transmission information- Model: 1000HS, Serial Number: 6310677775, 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# BK4773N16166E1LH, Casting# BK4773N16166E1LH, Truck Year 2007 4UZAANCP77CX31052