Reese 5th Airborne 16K 5th Wheel Air-Ride Coupler 5AB-E1621-16K 14-8577

One piece body design Air bag is located on the top of the pin box instead of the bottom, making it easier for the end user to make adjustments Lighter weight Measures true to the Lippert1621 pin box Reduces chucking by 60% and vertical shock by 44% Airline comes standard for easy air fill.