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.

Features

• Air ride pin box replaces standard pin box on your 5th-wheel trailer to cushion your ride, improve handling, and limit strain on truck and trailer
• Minimizes chucking
• Eliminates bounce and jarring
• Internal air bag absorbs road shock
• Scissor-like motion allows pin box to compress, compensating for jarring and bounce
• Built-in shock ensures that pin box rebounds - keeps air bag from breaking down
• Black powder coat provides rust resistance
• Sturdy steel construction
• King pin connects to any 5th-wheel trailer hitch
• Bolt-on installation with no assembly required
• Made in the USA

Specifications

• Designed to replace Lippert 1621 and 1621HD long-jaw 5th-wheel pin boxes
• Weight capacity: 21,000 lbs
• Length (from outside edge of mounting plate to center of king pin): 28-11/16"
• 1-Year limited warranty

Note: Do not use the Trailair air ride pin box with any type of gooseneck adapter