The below engine parts Cummins exhaust pipe parts 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. Tube, Air 4914252 DCEC Intake Pipe 3929152 Connection,Air Tube 3820959 DCEC Intake Pipe 3968371 Tube, Air Inlet 217939 DCEC Intake Pipe 3900156 Tube, Compressor Air Inlet …