Product Overview
3400884 3400883 ISM QSM Idler Pulley. Product type: Idler Pulley. Part number(s): 3400884, 3400883. Engine/model: ISM, QSM, QSM11. Application notes: idler pulley for Cummins ISM, QSM, QSM11 engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.












