Allison B400, Transmission ECMs, (GOOD USED) B400 Allison, TCM Part # 29543300, Model No. WT3ECU912, ECU+CAL ASSY ECB021NW, CIN # 0F021NW0013, Customer P/N 512-2100-159, Serial # 20059382, Stock # 4200 | Tested & Inspected!
