Which Demco Above Bed Fifth Wheel Rail Kit Fits 2021 GMC Sierra 1500 AT4
Updated 11/03/2025 | Published 01/02/2025
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Question:
Can I use this Demco setup on a 2021 GMC AT4?
asked by: Mike
0
Expert Reply:
Hey Mike, yes you can use the Demco rail kit part # DM8552034-71 with your 2021 GMC AT4 1500 so that you can also use the slider fifth wheel hitch part # DM8550040
expert reply by:
Jameson C
0
Product Page this Question was Asked From
Demco Autoslide 5th Wheel Trailer Hitch w/ Slider - Single Jaw - Above Bed - 13,000 lbs
- 5th Wheel Hitch
- Sliding Fifth Wheel
- Above Bed Rails
- 3250 lbs Vertical Load
- 13000 lbs GTW
- Double Pivot
- Premium - Single-Hook Jaw
- 15-1/4 - 18 Inch Tall
- 22-1/2 Inch Fore/Aft Travel
- Demco
more information >
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Jameson C.
11/3/2025
Hey Mike, how did the Demco rail kit and Autoslide hitch work out on your GMC AT4? Your update could make it easier for the next person setting up the same combo.