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Which TrailAir Pin Box Fits 2019 Grand Design Momentum 351M  


Which would be the correct one for a Grand Design 351M ?


Expert Reply:

Since your 2019 Grand Design Momentum 351M has a Lippert 1621 pin box the Trailair Pin Box part # LC158778 will fit and give you a much smoother ride! I attached a test course video link for this pin box to this page for you to check out that shows the cushioning effect in action.

expert reply by:
Jameson C

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