Product Overview
5318533 5266955 ISF QSF Oil Cooler Core. Product type: Oil Cooler Core. Part number(s): 5318533, 5266955. Engine/model: ISF, QSF. Application notes: oil cooler core for Cummins ISF, QSF engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.











