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Gooseneck Pin Box Replacements For A Lippert Trailair Rota Flex 5th Wheel Pin Box


what gooseneck pin box will work with a Trailair Rota-Flex mount? Or what gooseneck adapter will work? I have a short box 2011 GMC 2500


Expert Reply:

The Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter - Lippert 1621 and 0719 - 20,000 lbs
Item # RP94720 will replace your Trailair Rota Flex Mount if it's a 1621.

The Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box - Lippert 1116/1716 - Manual Latch - 21K
Item # GY43FR will replace your Trailair Rota Flex Mount if it's a 1116.

There should be a sticker on the side or the top of the pin box that will have a model number and serial number for your pin box that can be used to find out exactly which pin box you have. If you need any help searching your model number to see what you have please reply back and I can pull it right up for you.

expert reply by:
Kevin C

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