I think you might be referring to the "clutch damper," Nissan P/N 30660-0W000. Refer to part code "30660" in the diagram link below: https://www.nissanpartsdeal.com/parts-list/1998-nissan-pathfinder/clutch-piping.html Any idea where I could purchase parts: 30650+A, 30651, 30652 ...