Allison B300, Transmission ECMs, (GOOD USED) Allison B300, TCM Part # 29545324, Model No. A43, e11, 10R022849, Pulled off Model # B300, Supplier P/N # ATA4303, TCM+CAL ASSY # A43004N1, CIN # 48004N1002 Serial # BK5324N37003P2T8, Stock # 4081 | Tested & Inspected!