The below engine parts Cummins heat exchanger 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. EXCHANGER,HEAT 3910583 Water Inlet Tube 3971102 GASKET,HEAT EXCHANGER 4009318 Water Outlet Tube 3971103 GASKET,HEAT EXCHANGER 4009319 Water Inlet Tube 3900368 EXCHANGER,HEAT 4078339 Water Outlet Tube 3900369 Cummins Heat …