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Does Demco Fifth Wheel Rail Kit Adapter for 2020 GMC Sierra Fit with Bed Mat  

Updated 12/11/2024 | Published 06/15/2020

Question:

I have a factory rubber bed mat. Can this be mounted by placing holes in the mat or does it have to be mounted directly to the bed? I plan on using the andersen 3200 hitch. 2020 gmc sierra 2500 HD diesel

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Expert Reply:

The Demco 5th Wheel Rail Adapter # DM6333 would need to attach directly to the metal floor of your 2020 GMC Sierra 2500. If you have a thick rubber mat you'd need to trim out a square or remove it altogether.

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Jameson C
Aaron profile picture

Aaron

12/11/2024

Hello, I just bought a Demco 6333 adapter and I also have the GM 3/8 thick rubber bed mat. I used a hole saw to cut the mat where the pucks are and the Demco fit perfect. No issues on my 2025 2500HD LT, Posted just in case this helps anyone. I would post a pic but can’t see where to upload.

Jameson C. profile picture
Etrailer Expert

Jameson C.

12/11/2024

@Aaron Thanks for passing that on! I wish there was a way to upload pictures here too.

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