Update your semi with a securely locked trailer, with the Holland FW-Series 12.5" - 19.25" Aluminum Fifth Wheel Air Cylinder that ensures you're Ready for the Road Ahead. This replacement kit works to enable air-powered operation of countless components such as actuators, valves, hoses, and more. Fashioned with a corrosion resistant coating for enhanced durability. FleetPride is your First Click in Heavy Duty.