Product Details: Effortlessly control the locking and unlocking mechanism of your fifth wheel with the Holland Fifth Wheel Air Cylinder, a replacement part that ensures you're Ready for the Road Ahead™. Thanks to its pneumatic operation, this air cylinder is able to provide precise control and precision over the coupling process. Designed to provide a secure and reliable hitch for vehicles trekking great distances. FleetPride is your First Click in Heavy Duty®.