(Used) 2006 Allison (AT), TRANSMISSION ECM- ECM Model: A41, Part Number: 29544773, Serial Number: BK4773N16170E5MM, A41002JW, CIN: 44002JW005V, 12 Volts, Transmission Stock #P-66519, Transmission Model: 1000RDS, 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