How to Find Gen-Y Gooseneck Pin Box Adapter for a 2021 Grand Design Reflection 31MB
Updated 04/11/2024 | Published 04/10/2024 >
Question:
Which Gen-y Gooseneck will I need for a 2021 Grand Design Reflection 31MB
asked by: Brad
Expert Reply:
Hey Brad, thanks for reaching out!
What pin box number do you currently have installed on your 2021 Grand Design Reflection 31MB? You should find a sticker with a number like "1621" or even a serial number and the brand would work.
Not all 5th wheel trailers come with the same pin box but once I have the info listed above I'll be able to help you find the correct Gen-Y gooseneck coupler.
For example, the Gen-Y Hitch 5th Wheel to Gooseneck Pin Box # GY38FR will replace a 1621 or 1621HD pin box and is in the weight range of your 5th wheel.

Brad
4/11/2024
S/N S004896731 LCI 736457 RPO 0004337212 Max GVWR 15500 Max Pin WT 3100

Product Page this Question was Asked From
Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box - Lippert 1621/1621HD - 30K GTW - 4.5K TW
- 5th Wheel Gooseneck Adapter
- Adapts Trailer
- 5th Wheel Trailer to Gooseneck Hitch
- No Extra Clearance
- 30000 lbs
- Replaces Pin Box
- Shock Absorbing
- Lippert 1621
- Lippert 1621HD
- Gen-Y Hitch
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Brad
4/10/2024
LCI Item Number: 736457 RPO 0004337212 Max GVWR 15500 Max PIN Weight 3100