Seastar front mount hydraulic outboard marine steering cylinder hc. View the cylinder application chart in the product photos to make sure the hc. Is compatible with your outboard. Describe the nature of the problem and. Hynautic, teleflex, and all other brands of hydraulic steering sold and repaired. We are the largest repair facility for older hydraulic steering units in. The new seastar outboard steering cylinder. Seastar solutions, the leader in hydraulic and mechanical marine steering, has introduced a new outboard.