Product Overview
5307659 QSF3.8 ISF QSF Return Pipe. Product type: Return Pipe. Part number(s): 5307659. Engine/model: QSF3.8, ISF, QSF. Application notes: return pipe for Cummins QSF3.8, ISF, QSF engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.












