Lippert Components 158778 - Trailair Air Ride 5th Wheel Pin Box - Lippert 1621 & 1621HD - 21,000 lb

Limited stock
SKU: 158778
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
  • 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


Brand Lippert Components
Part status Active

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