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Determining Which Reese Goose Box Fits 2021 Grand Design Solitude 3740BH


Will goose box fit my 2021 grand design solitude 3740bh?


Expert Reply:

I would be happy to help you determine if the Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter - Lippert 1621 and 0719 - 20,000 lbs # RP94720 will fit your 2021 Grand Design Solitude 3740BH, but you will need to confirm which pin box is on your trailer.

You can do this by looking for the model number which should be located on a sticker on the pin box itself. If that sticker is missing just send me a picture of the pin box showing the brand and serial number.

The # RP94720 you were looking at is confirmed to replace the Lippert 1621 and 0719 pin boxes. If this is what is on your trailer this would fit perfectly.

If you have a different model pin box just let me know.

I included a video of the # RP94720 for you to take a look at.

expert reply by:
Samuel C

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