Upgraded Pin Box for a Grand Design Momentum 381M 5th Wheel

Question:

Will the Trailair Flex Air 5th Wheel Pin Box - Lippert 1621 - 21,000 lbs Item # LC369535 Fit my grand design 381m fifth wheel with a max gross weight of 20,000lbs. and it has a lippert 1621SHD 21,000lb rated pin box on it from the factory.

asked by: Thomas A

Expert Reply:

Yes, the Trailair Flex Air 5th Wheel Pin Box part # LC369535 will replace the Lippert 1621 Pin Box on your Grand Design Momentum 381M. The Trailair Flex Air will provide a dramatic improvement in overall ride quality as well as reducing the amount of wear and tear on both the vehicle and trailer.

expert reply by: Conner L