Will Gen-Y Gooseneck Pin Box Void Warranty On 2025 Grand Design Momentum 344M
Updated 06/16/2026 | Published 06/12/2026
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Question:
I’m considering upgrading to a Gen Y Executive 5th wheel to Goose neck pin box but I’m concerned about the 5 year warranty on my 2025 GD 344M Momentum. Can you offer any guidance? Thanks, Phil
asked by: Phil H
Expert Reply:
Hey Phil! Adding the Gen-Y Gooseneck Pin Box like # GY48GR to your Momentum technically doesn't void the warranty. However, you might have a hard time fighting that with Lippert or Grand Design if you ran into an issue. The best guidance I can offer is from Gen-Y, and you can also count on them taking full responsibility if their pin box caused frame failure. See the attached photos.
Do you have a Lippert Turning Point on their now? If you do, the # GY48GR will fit but it is actually underrated for your GVWR (designed for 7,275-16,360 lbs GVWR) so you would need a different option like the Shocker # SHK69YR. Gen-Y currently doesn't offer a 6.5k TW model for the Turning Point which is what you would need for your Momentum.
If you have a different pin box bolt pattern let me know in the comments below and I can help you identify the right pin box. If you aren't sure, I can help you identify it if you send me a picture of your pin box sticker.
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John
6/16/2026
My trailer was out of warranty Phil so I didn’t worry about that but reducing shock impact on the trailer tongue by the use of shock absorbers has to be less damaging to the trailer frame jumping on a scale is not the same as standing on the scale in comparison. It pulls great trailers kinda close to the bed rails on the 2024 truck.
Product Page this Question was Asked From
Gen-Y Hitch Shock Absorbing 5th Wheel to Gooseneck Pin Box - Lippert Turning Point - 21K - 4.5K TW
- 5th Wheel Gooseneck Adapter
- Adapts Trailer
- 5th Wheel Trailer to Gooseneck Hitch
- No Extra Clearance
- 21000 lbs
- Replaces Pin Box
- Shock Absorbing
- Lippert Turning Point
- Gen-Y Hitch
more information >
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on 5th Wheel Gooseneck Adapter
Phil H.
6/15/2026
Thank you for the guidance Robin.That documentation is reassuring. My 334M has a gvwr of 19k and my max pin weight ( based on trailer GVWR @ 20%) would be appx 3800#. The pin box bolt pattern is the Rhino version. Here’s the LCI part number: Item Number:2023137154 Which Gen Y Executive would the choice for this 344M? Thanks Phil!