Product Overview
5259499 ISB QSB QSB6.7 Rear Crankshaft Oil Seal. Product type: Rear Crankshaft Oil Seal. Part number(s): 5259499. Engine/model: ISB, QSB, QSB6.7. Application notes: rear crankshaft oil seal for Cummins ISB, QSB, QSB6.7 engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.













