If it's questionable, I'd go ahead and replace it anyway.
As for where to get the parts:
http://www.partsgroup.com/
They found a part for me that I couldn't even get through mazda, and their prices aren't too bad.
http://www.partsgroup.com/store.aspx?category=Miata-Interior&Page=5
As for where to get the parts:
http://www.partsgroup.com/
They found a part for me that I couldn't even get through mazda, and their prices aren't too bad.
http://www.partsgroup.com/store.aspx?category=Miata-Interior&Page=5