Replacement Curt Flax Air Pin Box For A 2023 Grand Design Momentum 381MS With A Rhino Box Pin Box
Question:
I would like to try the curt pin box you mentioned. Im attaching a pic of my ser#. Please let me know which one i need to order and i will get it placed immediately Thanks
asked by: Darren D
Helpful Expert Reply:
Thank you for the all the info, I was able to determine that you have a Rhino Box bolt pattern so the correct replacement would be the Curt Flex Air 5th Wheel Pin Box # LC65VR for your 2023 Grand Design Momentum 381MS. The Rhino box is quite a disappointment to most trailer owners so this new Flex Air will sit a bit lower and should help raise the nose of your trailer up to ride more level.

Product Page this Question was Asked From
Curt Flex Air 5th Wheel Pin Box - Lippert Rhino - 21,000 lbs
- 5th Wheel Pin Box
- Upgraded Pin Box
- Absorbs Road Shock and Reduces Chucking
- 21000 lbs GTW
- Fixed Turret
- Lippert Rhino
- CURT
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