Unable to indentify part on 1994 Acura Vigor

On the passenger side (left) there is a engine part connected to a belt. My Acura dealer parts Dept. cannot indentify it. One person suggested it"s a smoke pump. It is starting to makes noise. Can you suggest a place to have it repaired, rather than disconnecting the belt? Thanks

Asked by for the 1994 Acura Vigor
here are some shops near you, it should not be too difficult to repair.