(Used) 2011 Allison, TRANSMISSION ECM- Part Number: 29551869, Serial Number: BK1869A922350115, Volts: 12, Transmission Model: 1000HS, Serial Number: 1379211, 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