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Replacing Pin Box on 2020 Grand Design Solitude 5TH Wheel with Reese Goose Box 1621  


I would like to purchase a Reese goosebox to replace my moryde rubber pin box on my 2020 Grand Design Solitude 377mbs. Can you please confirm this would be compatible? My toe vehicle is a 2020 f350 dually. Thanks


Expert Reply:

Yes, the Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter # RP85FR will replace the 1621 MORryde pin box that came on your 2020 Grand Design Solitude 377MBS. I do recommend double checking the sticker that is on the MORryde pin box for the 1621 as I have seen one off's that will sometimes have something different.

You will also need the Reese Safety Chain Kit # RP49151 since you are switching to the gooseneck ball connection. And the B&W Ball and Safety Chain Kit # BWGNXA2061 will give you a gooseneck ball and safety chain connections if your 2020 Ford F-350 has the OEM Hitch Prep in the bed.

expert reply by:
Gregory M

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