The below engine parts Cummins intercooler/aftercooler 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. Aftercooler Assy 3176070 DCEC InterCooler 3919806 Aftercooler Assy 3177268 DCEC InterCooler 3910282 Aftercooler Assy 4914863 DCEC InterCooler 4938507 Aftercooler Assy 4095092 DCEC InterCooler 3919805 Gasket, After Housing 3001304 …