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Demco 8551012 Frame bracket for Chevrolet Silverado - GMC Sierra 2500 / 3500 HD 2020 6.75'

SKU DM8551012
Availability: Only 2 left!

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Custom, underbed rail kit allows for uninhibited use of your truck bed once your hitch is removed. Works with Hijacker Underbed Mount Series (UMS) fifth-wheel and gooseneck hitches. No-drill frame brackets offer a simple installation.


  • Installation kit is designed for use with Demco Hijacker UMS 5th-wheel and gooseneck hitches
  • Underbed rails allow for complete access to truck bed when hitch is removed
    • No exposed rails
    • 4 Mounting holes sit flush with truck bed
  • Vehicle-specific design reduces installation time and requires less drilling than universal systems
    • No-drill brackets bolt onto the outside of your truck's frame rails
    • Crossmembers sit along top of frame rails, beneath bed
  • Sturdy, black powder coated steel resists corrosion
  • Rails and installation hardware included
  • Made in the USA


  • Application: Demco Hijacker Underbed Mount Series (UMS) 5th-wheel and gooseneck trailer hitches
  • 5-Year limited warranty

Installation kit

An installation kit is needed for proper installation on your vehicle


Manufacturer Part #:8551012
Color:Black Powder