Keep Your Trailer ready with the Hendrickson 1/4" PTC 3-Port Height Control Valve. Designed to maintain optimal suspension performance, this replacement height control valve regulates compressed air levels within the vehicle's air suspension system, allowing operators to easily adjust and maintain proper ride height. Its advanced valve design delivers rapid air replenishment after load dumps, helping restore suspension balance quickly and efficiently. Built for durability and reliable operation in demanding trucking applications, the Hendrickson 1/4" PTC 3-Port Height Control Valve helps provide a smoother, more comfortable ride while supporting proper vehicle handling and stability