Engines | Mounts, , 2003 CAT 3126, Engine ECM, (GOOD USED) 2003 CATERPILLAR 3126 ECM PART # 10R3571-10 FOR SALE, 70-PIN, CKM, 3126E, PULLED OFF STERLING TRUCK, PERSONALITY MODULE PART NUMBER 2468286-00, P/N 10R3571 10, STOCK # 2838 | TESTED & INSPECTED!