Electronics, , ALLISON 4500RDS, Transmission ECM, (GOOD USED) 2006 ALLISON 4500RDS TRANSMISSION TCM FOR SALE, PART #S A420048W, CUSTOMER P/N Y07653, MOTOROLA P/N ATA4202, BASE P/N 29544774, PULLED OFF AN AMERICAN CONDOR TRUCK WITH CATERPILLAR C11 DIESEL ENGINE, STOCK # 2055 TESTED & INSPECTED!