Fifth Wheel King Pin   x   >  

Tow your fifth-wheel trailer with your gooseneck hitch and get the smooth, stable ride that only an air-ride-equipped coupler can deliver. This trailer coupler adapter has a built-in air bag that provides cushion and absorbs road shock.

Flex Air drastically reduces chucking, absorbs road shock, and minimizes bounce. The internal air bag and built-in strut work with the rubberized pivoting head to achieve a dramatically smoother ride. Replaces Lippert 1621 pin boxes.

Flex Air drastically reduces chucking, absorbs road shock, and minimizes bounce. The internal air bag and built-in strut work with the rubberized pivoting head to achieve a dramatically smoother ride. Replaces Lippert 1621 pin boxes.

5th Airborne Sidewinder replaces your fifth-wheel trailer's king pin and alters the pivot point of your rig, enabling you to make up to 90-degree turns. Enclosed air spring in pin box absorbs shock and adjusts for a smooth ride.

Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1621 pin boxes.

This premium fifth-wheel pin box coupler replaces your trailer's king pin for worry-free turning with short-bed pickups. Now you can make up to 90-degree turns without having to exit the truck, throw a switch or push a button.

5th Airborne Sidewinder replaces your fifth-wheel trailer's king pin and alters the pivot point of your rig, enabling you to make up to 90-degree turns. Enclosed air spring in pin box absorbs shock and adjusts for a smooth ride.

The 5th Airborne premium fifth wheel air-ride coupler acts as a buffer between the tow vehicle and the trailer, minimizing the abuse sustained from turbulence on the road and giving you the smoothest ride possible by reducing shock.

Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1116 pin boxes.

This premium fifth-wheel pin box coupler replaces your trailer's king pin for worry-free turning with short-bed pickups. Now you can make up to 90-degree turns without having to exit the truck, throw a switch or push a button.

This premium fifth-wheel pin box coupler replaces your trailer's king pin for worry-free turning with short-bed pickups. Now you can make up to 90-degree turns without having to exit the truck, throw a switch or push a button.

Enjoy smooth, stable towing with your fifth-wheel trailer by replacing your ordinary pin box with this air-ride-equipped model. An internal air bag and built-in strut absorb road shock so that you won't feel it. Replaces Lippert 1716 pin boxes.

This premium fifth-wheel pin box coupler replaces your trailer's king pin for worry-free turning with short-bed pickups. Now you can make up to 90-degree turns without having to exit the truck, throw a switch or push a button.

The 5th Airborne premium fifth wheel air-ride coupler acts as a buffer between the tow vehicle and the trailer, minimizing the abuse sustained from turbulence on the road and giving you the smoothest ride possible by reducing shock.

Flex Air drastically reduces chucking, absorbs road shock, and minimizes bounce. The internal air bag and built-in strut work with the rubberized pivoting head to achieve a dramatically smoother ride. Replaces Lippert 0719 pin boxes.

The 5th Airborne premium fifth wheel air-ride coupler acts as a buffer between the tow vehicle and the trailer, minimizing the abuse sustained from turbulence on the road and giving you the smoothest rid possible by reducing shock.

This Rota-Flex pin box has a pivoting head with a built-in rubber compound that works to reduce chucking and absorb road shock, resulting in a smoother ride and less wear and tear on your trailer. Replaces Lippert 1621 pin boxes.

Sidewinder is the premium fifth wheel pin box coupler designed specifically for short-bed pickups. Its worry-free turning design allows you to make up to 90-degree turns without exiting the truck, throwing a switch or even pushing a button!

This pin box serves as a direct replacement for the worn-out Lippert 1621HD pin box on your fifth-wheel trailer or RV. Rust-resistant, powder coated steel construction. Easily bolts onto trailer with existing hardware.

5th Airborne Sidewinder replaces your fifth-wheel trailer's king pin and alters the pivot point of your rig, enabling you to make up to 90-degree turns. Enclosed air spring in pin box absorbs shock and adjusts for a smooth ride.

This Rota-Flex pin box has a pivoting head with a built-in rubber compound that works to reduce chucking and absorb road shock, resulting in a smoother ride and less wear and tear on your trailer. Replaces Lippert 1621 pin boxes.

This Rota-Flex pin box has a pivoting head with a built-in rubber compound that works to reduce chucking and absorb road shock, resulting in a smoother ride and less wear and tear on your trailer. Replaces Lippert 1116 pin boxes.

This pin box serves as a direct replacement for the worn-out Lippert 1116 pin box on your fifth-wheel trailer or RV. Rust-resistant, powder coated steel construction. Easily bolts onto trailer with existing hardware.

Sidewinder is the premium fifth wheel pin box coupler designed specifically for short-bed pickups. Its worry-free turning design allows you to make up to 90-degree turns without exiting the truck, throwing a switch or even pushing a button!