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Lippert Components 155943 - M19 Air Ride™ Pin Box - 21,000 lb

SKU 155943
Availability: Only 1 left!

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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.


  • 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 1116 5th-wheel pin box
  • Weight capacity: 21,000 lbs
  • 1-Year limited warranty

  • Do not use the Trailair air ride pin box with any type of gooseneck adapter
  • Because of the size of this item, it ships via truck freight

Installation kit

An installation kit is needed for proper installation on your vehicle


Brand:Lippert Components
Manufacturer Part #:155943