Gooseneck Adapter for 2021 Grand Design 337RLS

Updated 06/02/2021 | Published 06/01/2021

Question:

What Reese fifth wheel pin box fits my 2021 grand design 337rls. I’m changing from fifth wheel to goose neck.

asked by: Rodney H

Expert Reply:

To convert the pin box of your 2021 Grand Design 337RLS you'd need the part # RP85FR since your trailer has a Lippert 1621 pin box.

expert reply by: Jameson C

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