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How to Set Up Your Demco Autoslide 5th Wheel Trailer Hitch for Chevy/GMC on a 2018 GMC Sierra 2500 Video

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Products Featured in this Video


Demco Autoslide 5th Wheel Trailer Hitch for Chevy/GMC - Single Jaw - Underbed - 21,000 lbs


Demco 5th Wheel Hitch

631 reviews


Code: DM43SV

Price:  $2,654.95
  • 5th Wheel Hitch
  • Sliding Fifth Wheel
  • Aftermarket Below Bed Rails
  • 5250 lbs Vertical Load
  • 21000 lbs GTW
  • Double Pivot
  • Premium - Single-Hook Jaw
  • 15-1/2 - 18-1/4 Inch Tall
  • 14 Inch Fore/Aft Travel
  • Demco



No more getting in and out of your truck to mess around with a manual slider. This hitch slides automatically to give you 14" of additional clearance for tight turns whenever you need it. Custom underbed installation kit included.


Do you have a question about part DM43SV?more information >     


Demco Autoslide 5th Wheel Trailer Hitch for Chevy/GMC - Single Jaw - Underbed - 18,000 lbs


Demco 5th Wheel Hitch

631 reviews


Code: DM33SV

Price:  $2,311.01
  • 5th Wheel Hitch
  • Sliding Fifth Wheel
  • Aftermarket Below Bed Rails
  • 4500 lbs Vertical Load
  • 18000 lbs GTW
  • Double Pivot
  • Premium - Single-Hook Jaw
  • 15-1/2 - 18-1/4 Inch Tall
  • 14 Inch Fore/Aft Travel
  • Demco



No more getting in and out of your truck to mess around with a manual slider. This hitch slides automatically to give you 14" of additional clearance for tight turns whenever you need it. Custom underbed installation kit included.


Do you have a question about part DM33SV?more information >     


Demco Recon Sliding 5th Wheel Hitch for Chevy/GMC - Single Jaw - Underbed - 21,000 lbs


Demco RV 5th Wheel Hitch

Code: DM66KV

Price:  $1,837.90
  • 5th Wheel Hitch
  • Sliding Fifth Wheel
  • Aftermarket Below Bed Rails
  • 5250 lbs Vertical Load
  • 21000 lbs GTW
  • Double Pivot
  • Premium - Single-Hook Jaw
  • 18-3/8 - 20-7/8 Tall
  • 14 Inch Fore/Aft Travel
  • Demco RV



This hitch manually slides to give you 14" of clearance for tight turns. Sturdy wraparound jaw has a locking bar for added security. Pivoting head allows easy hook up and helps limit chucking. Polyurethane bumpers ensure a smooth ride.


Do you have a question about part DM66KV?more information >     


Underbed Rail and Installation Kit for Demco UMS 5th Wheel and Gooseneck Trailer Hitches


Demco 5th Wheel Hitch Rails

14 reviews


Code: DM8551010

Retail: $623.18

Price:  $457.17
  • 5th Wheel Hitch Rails
  • Custom
  • Below the Bed
  • Demco


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


Do you have a question about part DM8551010?more information >     


How to Install the Demco Hijacker Underbed Rail and Kit on a 2018 GMC Sierra 2500


Hi there CR owners. Today in our 2018 GMC Sierra 2500 we're going to be installing DEMCO's under bed rail installation kit. We'll also be installing DEMCO's hijacker auto slide fifth wheel with this installation. And if you have a gooseneck trailer, the under bed rail kit. We'll also work with DEMCO's hijacker gooseneck hitches.This under bed rail kit is going to allow you to install a DEMCO fifth… see more >     


Info for these parts were:

Employee Joe V
Test Fit:
Joe V
Employee David F
Test Fit:
David F
Employee Joshua S
Video Edited:
Joshua S
Employee Jacob T
Video Edited:
Jacob T
Employee Dustin K
Video by:
Dustin K
Employee Andy C
Installed by:
Andy C

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