Outfit your semi truck to be Ready for the Road Ahead™ with properly-functioning pneumatic valves, with the Bendix AD-9® Soft Seat Purge Valve Maintenance Kit. Due to its specialized design, this replacement kit simplifies the removal of moisture and other contaminants in the pneumatic system. Constructed with top-quality materials for enhanced durability and reliability. FleetPride is your First Click in Heavy Duty®.