The below engine parts Cummins fuel tube 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. Cummins Fuel Manifold C3972445 Cummins Fuel Supply Tube C4988553 Cummins Fuel Manifold C4931027 Cummins Fuel Supply Tube 3287880 Cummins Fuel Manifold C4932976 Cummins Fuel Supply Tube 3288358 …