Correct Reese Goose Box for a 2018 Grand Design Momentum 398M

Updated 08/03/2020 | Published 07/29/2020

Question:

Which Reese Goosebox will fit a 2018 Grand Design Momentum 398m

asked by: Michael S

Expert Reply:

The Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter part # RP85FR should be correct for a 2018 Grand Design Momentum 398M but I do recommend you confirm you have the Lippert 1621HD bolt pattern by looking for this number on the pin box itself.

expert reply by: Conner L

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