A labor dispute at a Toledo parts manufacturer is over. Workers at Piston Automotive went on strike around 9 am Thursday morning over a dispute with management.A group of workers wanted to join the UAW but were told by the company that they would not recognize their affiliation. The group of workers then walked off the production line. Toledo News Now reports that the workers were told by the UAW this afternoon that management had agreed to let them join the union. The company has not made an official announcement.