Lippert Components 155943 M19 Air Ride Pin Box, 21K (Replaces LCI 1116 Pin Box)
Brand: Trailair
Color: Black
Air bag acts as a buffer between the tow vehicle and coach to absorb road shock and vibration
Improves ride and reduces driver fatigue
Can be retrofitted to most pin boxes on the market
Replaces all popular LCI pin boxes: 16K (1621), 18K (1621), 21K long jaw (1621), 21K (1716), 18K (0719), 21K (1116)