The below engine parts Cummins relays are for the 4BT3.9/6BT5.9/6CT8.3/6LT8.9/ISDe/ISLe/ISZ/M11/NT855/ KT19/KT38/KT50/ISF2.8/ISF3.8/ISM11/QSM11 series Cummins engine. Part Name Part No. Part Name Part No. RELAY,CONTROL A031B582 SWITCH,MAGNETIC 5269379X SOCKET,RELAY A040C732 RELAY 37N-35085 Cummins Relay A040C734 RELAY 4988354 HARNESS RELAY A040D669 RELAY 4988397 RELAY G59 PROTECTION ROCOF J0307-0159-02 RELAY 5266538 RELAY (46-1166) 197972600 …