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Correct Reese Goose Box For Grand Design Solitude 384GK-R


Can you tell me if the 20k Reese Goose Box will fit on the Grand Design SOLITUDE 384GKR factory pin box/ hitch ?


Expert Reply:

Your Grand Design Solitude 384GK-R should have a Lippert 1621 pin box, and since your trailer has a 16,500 lb GVWR, you'll need the 20k Goose Box, which is the following part number:

- Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter # RP94720

I do recommend verifying you have the 1621 pin box, and you can use the accompanying diagram that shows you where to measure.

Where to Measure For Lippert 1621 Pin Box
Where to Measure For Lippert 1621 Pin Box
(click to enlarge)
expert reply by:
Kyle S

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