Product Overview
3927642 ISL QSL QSC Valve Stem Seal. Product type: Valve Stem Seal. Part number(s): 3927642. Engine/model: ISL, QSL, QSC, 6CT. Application notes: valve stem seal for Cummins ISL, QSL, QSC, 6CT engine applications. Please verify final fitment by part number, engine serial number, and application before publishing or ordering.








