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Trailair Rota-Flex Pin Box Replacement for OEM Pin Box on 2019 Grand Design Reflection 337RLS


Hello. I have a 2019 Grand Design Reflection 337 RLS and would like to replace the king box with the Trailair Rota-Flex. Which Trailair box would be a direct replacement for the current box on my rv? Thanks


Expert Reply:

Thank you so much for the picture! So it looks like your 2019 Grand Design Reflection 337RLS has a Lippert 1621 pin box which means the correct Trailair Rota-Flex is going to be part # LC328330.

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expert reply by:
Jon G

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