(Used) 2005 Allison (AT), TRANSMISSION ECM- ECM Model: A43, Part Number: 29544775, Serial Number: BK4775N353416ERA, CIN: 44000R20023, 12/24 Volts, Transmission Stock #P-41838, Transmission Model: 2200RDS, 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