Product Overview
4937308 ISB QSB Piston Cooling Nozzle. Product type: Piston Cooling Nozzle. Part number(s): 4937308. Engine/model: ISB, QSB. Application notes: piston cooling nozzle for Cummins ISB, QSB engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.













