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Which Reese Goose Box Will Fit My 2021 Grand Design Reflection 150 Series Camper?  


I just upgraded my truck to a 2022 GMC Sierra 2500 and it came with the factory gooseneck set up. I am looking at getting the B&W Gooseneck Ball BWGNXA2061 and I want to swap my king pin out for a Reese Goosebox. How do I know which one is correct? I have a 2021 Reflections 150 Series 280RX that weighs right at 11,000 pounds loaded. Thanks for any help.


Expert Reply:

From what I could find, your 2021 Grand Design Reflection 150 Series 280RS uses the 1621 pin box number, which is one of the more common numbers. With that said, the Reese Goose Box # RP85FR will be a perfect fit.

This is rated up to 16,000 pounds so it will have no issue with your camper's weight. This will also be a bolt on application as well. You will have no issues using this with the B&W # BWGNXA2061 either, so you will be good to go.

expert reply by:
Lazer S

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