The below engine parts Cummins heater 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. Heater bracket 3026490 Intake air heater 3929335 Cummins air heater 3165700 Intake air heater 4941310 Heater cover 3165750 DCEC Air Preheat 4988310 Intake air heater 3328445 Engine preheater …