Allison 4500RDS, Transmission ECMs, (GOOD USED) Allison 4500RDS, TCM Part # 29544774, Model No. A42, e11, 10R022849, Supplier P/N # ATA4202, Pulled off Model # 4500RDS, Customer P/N # Y07653, TCM+CAL ASSY # A420048W, CIN # 442248W001H, Serial # BK4774N26123C8FW, Stock # 414 | Tested & Inspected!