What is it? a quiz

Up for guesses, item #3


Cut off end of a heater core pipe?

Another hint…


Cleaned up, but used as a spacer… “manual don’t get it”

Very worn ( out ) idler arm bushing. The one that attaches to the center ( drag ) link ? I’m probably wrong though, as gauging by the coins used for a size reference the ‘mystery’ part looks a bit small.

Automatic transmission linkage bushing?

getting warm…

A homemade brake pedal bushing?

Home made clutch pedal ( support ) bushing ?