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Will the Trailair Rota-Flex 5th Wheel Pin Box Fit On My Trailer


I have a 2017 Forest River Cardinal 3250 with the Morryde RHB72-1621-TA pin box and I would like to replace with the Trail Air Rota Flex 18k pin box. Is this an acceptable change out and will this change fit my application? Thanks


Expert Reply:

The first thing you will want to do is go out to the pin box that is now installed on your Forest River Cardinal 3250. There should be a make and model number on it, if it is a Lippert 1621 or 1621HD then the Trailair Rota-Flex 5th Wheel Box Pin # LC328330 pin box will be able to replace your current pin box. Based on the part number of your existing pin box, it was most definitely a 1621 originally.

Something else that I recommend getting is our 5th Wheel Trailer King Pin Lock # e98896. This will help deter theft and removal of your king pin from your 5th wheel hitch.

expert reply by:
Jon G

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