2021 GMC Sierra 3500 6-3/4 Foot Bed with OEM Prep Pkg Fifth Wheel Hitch

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
12 Inch Fore/Aft Travel
5000 lbs Vertical Load
20000 lbs GTW
Standard - Double Jaw
Cushioned Double Pivot
17-1/2 - 21-1/2 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Custom Install Kit C88KR

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

The Installation Rails are an adapter, and will cause the fifth wheel hitch to sit approximately 2 inches higher. This affects the height ranges indicated in the Hitch Specs.

B and W 20K Fifth Wheel Hitch, with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

B&W Companion OEM 5th Wheel Hitch w/ Slider for Chevy/GMC Towing Prep Package - Dual Jaw - 20K

3782 reviews

Code: BWRVK3775

Retail:$2,321.13

Our Price: $1,699.00

You Save: $622.13

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
5000 lbs Vertical Load
20000 lbs GTW
Standard - Double Jaw
Double Pivot
17 - 19 Inch Tall
Made in USA

Recommended Trailer Wiring:

Installation Notes:

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

There may be clearance issues over the tailgate with some fifth wheel pinboxes. It will be necessary to tow with the tailgate down to use this product if your pinbox will not clear the tailgate while in use.

CURT 20K Fifth Wheel Hitch, Custom Install Kit with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Curt A20 5th Wheel Trailer Hitch w/ S20 Slider - Dual Jaw - 20,000 lbs

Shown on 2023 GMC Sierra 3500

757 reviews

Fifth Wheel Hitch: C55DR

Price: $1,154.95

Installation Rails: C88KR

Price: $424.95

Complete Kit:

Retail:$2,256.90

Our Price: $1,579.90

You Save: $677.00

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
12 Inch Fore/Aft Travel
5000 lbs Vertical Load
20000 lbs GTW
Standard - Double Jaw
Cushioned 360-Degree
17-1/2 - 21-1/2 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Custom Install Kit C88KR

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

The Installation Rails are an adapter, and will cause the fifth wheel hitch to sit approximately 2 inches higher. This affects the height ranges indicated in the Hitch Specs.

Curt 16K Fifth Wheel Hitch, Custom Install Kit with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Curt A16 5th Wheel Trailer Hitch w/ R16 Slider - Dual Jaw - 16,000 lbs

Shown on 2023 GMC Sierra 3500

932 reviews

Fifth Wheel Hitch: C16521

Price: $912.43

Installation Rails: C88KR

Price: $424.95

Complete Kit:

Retail:$2,049.90

Our Price: $1,337.38

You Save: $712.52

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
12 Inch Fore/Aft Travel
4000 lbs Vertical Load
16000 lbs GTW
Standard - Double Jaw
Cushioned Double Pivot
17-1/2 - 21-1/2 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Custom Install Kit C88KR

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

The Installation Rails are an adapter, and will cause the fifth wheel hitch to sit approximately 2 inches higher. This affects the height ranges indicated in the Hitch Specs.

Curt 24K Fifth Wheel Hitch, Custom Install Kit with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Curt Q25 5th Wheel Trailer Hitch w/ R24 Slider - Dual Jaw - 24,000 lbs

Shown on 2023 GMC Sierra 3500

846 reviews

Fifth Wheel Hitch: C16566

Price: $1,309.20

Installation Rails: C88KR

Price: $424.95

Complete Kit:

Our Price: $1,734.15

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
12 Inch Fore/Aft Travel
6250 lbs Vertical Load
24000 lbs GTW
Standard - Double Jaw
Cushioned 360-Degree
17-1/2 - 21-1/2 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Custom Install Kit C88KR

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

The Installation Rails are an adapter, and will cause the fifth wheel hitch to sit approximately 2 inches higher. This affects the height ranges indicated in the Hitch Specs.

CURT 16K Fifth Wheel Hitch, Custom Install Kit with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Curt A16 5th Wheel Trailer Hitch w/ S20 Slider - Dual Jaw - 16,000 lbs

Shown on 2023 GMC Sierra 3500

932 reviews

Fifth Wheel Hitch: C23DR

Price: $1,137.95

Installation Rails: C88KR

Price: $424.95

Complete Kit:

Retail:$2,078.90

Our Price: $1,562.90

You Save: $516.00

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
12 Inch Fore/Aft Travel
4000 lbs Vertical Load
16000 lbs GTW
Standard - Double Jaw
Cushioned 360-Degree
17-1/2 - 21-1/2 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Custom Install Kit C88KR

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

The Installation Rails are an adapter, and will cause the fifth wheel hitch to sit approximately 2 inches higher. This affects the height ranges indicated in the Hitch Specs.

Demco 18K Fifth Wheel Hitch, with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Demco Autoslide 5th Wheel Hitch w/ Slider - Single Jaw - Chevrolet/GMC Prep Package - 18K

584 reviews

Code: DM79GV

Retail:$2,185.00

Our Price: $1,938.40

You Save: $246.60

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
14 Inch Fore/Aft Travel
4500 lbs Vertical Load
18000 lbs GTW
Premium - Single-Hook Jaw
Double Pivot
18 - 19-1/2 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Below Bed Rails

0.5 Hour Estimated Installation Time

Demco 21K Fifth Wheel Hitch, with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Demco Autoslide 5th Wheel Hitch w/ Slider - Single Jaw - Chevrolet/GMC Prep Package - 21K

584 reviews

Code: DM29GV

Retail:$2,610.00

Our Price: $2,142.46

You Save: $467.54

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
14 Inch Fore/Aft Travel
5250 lbs Vertical Load
21000 lbs GTW
Premium - Single-Hook Jaw
Double Pivot
18 - 19-1/2 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Below Bed Rails

0.5 Hour Estimated Installation Time

Demco 18K Fifth Wheel Hitch, Custom Install Kit with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Demco Autoslide 5th Wheel Trailer Hitch w/ Slider - Single Jaw - Above Bed - 18,000 lbs

841 reviews

Fifth Wheel Hitch: DM8550034

Price: $1,725.00

Installation Rails: DM6333

Price: $649.00

Complete Kit:

Retail:$2,783.00

Our Price: $2,374.00

You Save: $409.00

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
14 Inch Fore/Aft Travel
4500 lbs Vertical Load
18000 lbs GTW
Premium - Single-Hook Jaw
Double Pivot
16-1/2 - 19-1/4 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Custom Install Kit DM6333

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

The Installation Rails are an adapter that will cause the fifth wheel hitch to sit approximately 2 inches higher, which affects the Vertical Adjustment ranges listed.

Demco 21K Fifth Wheel Hitch, Custom Install Kit with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Demco Autoslide 5th Wheel Trailer Hitch w/ Slider - Single Jaw - Above Bed - 21,000 lbs

841 reviews

Fifth Wheel Hitch: DM8550035

Price: $2,050.00

Installation Rails: DM6333

Price: $649.00

Complete Kit:

Retail:$3,208.00

Our Price: $2,699.00

You Save: $509.00

In Stock

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
14 Inch Fore/Aft Travel
5250 lbs Vertical Load
21000 lbs GTW
Premium - Single-Hook Jaw
Double Pivot
15-1/4 - 18 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Custom Install Kit DM6333

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

The Installation Rails are an adapter that will cause the fifth wheel hitch to sit approximately 2 inches higher, which affects the Vertical Adjustment ranges listed.

CURT 25K Fifth Wheel Hitch, Custom Install Kit with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Curt A25 5th Wheel Trailer Hitch w/ S25 Slider - Dual Jaw - 25,000 lbs

Shown on 2023 GMC Sierra 3500

716 reviews

Fifth Wheel Hitch: C35DR

Price: $1,365.95

Installation Rails: C88KR

Price: $424.95

Complete Kit:

Retail:$2,453.90

Our Price: $1,790.90

You Save: $663.00

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
12 Inch Fore/Aft Travel
6250 lbs Vertical Load
25000 lbs GTW
Standard - Double Jaw
Cushioned 360-Degree
17-1/2 - 21-1/2 Inch Tall

Recommended Trailer Wiring:

Installation Notes:

Custom Install Kit C88KR

Below Bed Rails

0.5 Hour Estimated Installation Time

Tech Tip:

The Installation Rails are an adapter, and will cause the fifth wheel hitch to sit approximately 2 inches higher. This affects the height ranges indicated in the Hitch Specs.

Demco 21K Fifth Wheel Hitch, with Below Bed Rails
2021 GMC Sierra 35006-3/4 Foot Bed with OEM Prep Pkg

Demco Recon 5th Wheel Hitch w/ Slider - Single Jaw - Chevrolet/GMC Prep Package - 21K

70 reviews

Code: DM97YV

Retail:$1,558.00

Our Price: $1,295.00

You Save: $263.00

Fifth Wheel Hitch Specs:

Sliding Fifth Wheel
14 Inch Fore/Aft Travel
5250 lbs Vertical Load
21000 lbs GTW
Premium - Single-Hook Jaw
Double Pivot
19-5/8 - 22-1/8 Tall

Recommended Trailer Wiring:

Installation Notes:

Below Bed Rails

0.5 Hour Estimated Installation Time

Choosing the Best Fifth Wheel Hitch

Explore Expert Info

on Fifth Wheel Hitch

Videos

for Fifth Wheel Hitch

Help Articles

for Fifth Wheel Hitch

Expert Answers

for Fifth Wheel Hitch

B and W Companion OEM 5th Wheel Hitch with Slider Installation - 2022 GMC Sierra 2500

Manufacturer Review - Demco Autoslide 5th Wheel Trailer Hitch

Review of B and W Fifth Wheel - Fixed Fifth Wheel - BWRVK3775

B and W Patriot 5th Wheel Trailer Hitch with Slider Review

Customer Review - B and W Companion OEM 5th Wheel Hitch

B and W Companion 5th Wheel Trailer Hitch with Slider Installation - 2019 Ford F-250 Super Duty

B and W Companion OEM 5th Wheel Hitch with Slider Installation - 2024 Chevrolet Silverado 2500

Review of B and W Fifth Wheel Installation Kit - Custom - BWRVK2402

Curt 5th Wheel Hitch Adapter Rails Installation - 2023 Chevrolet Silverado 3500

B and W Fifth Wheel Review - 2019 Ram 3500

Review of Curt Fifth Wheel Installation Kit - Ford/GM Adapter Kit - C88KR

4 Steps to Choosing Your 5th Wheel Pin Box

Gooseneck to 5th Wheel Adapters

Ram Trailer Tow Prep Package

Sidewinder with Rotating Turret for Short Bed Pickups

Fifth Wheel Trailer Hitch Information and Installation Tips

Adapters for Towing a 5th Wheel Trailer with a Gooseneck Hitch

5th Wheel Hitch Installation | The Ultimate DIY Guide

The Best 5th Wheel Hitches

Best 5th Wheel to Gooseneck Adapters (2023)

Trailer Wiring Diagrams

30-Amp and 50-Amp RV Service: What&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39;s the Difference?

30-Amp and 50-Amp RV Service: What&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39;s the Difference?

Stability Control for Heavy Duty Vehicles

What Is An OEM Prep Package And How Do I Know If I Have It

The OEM prep package consists of 4…

How to Determine Correct Height Setting for 5th Wheel Hitch

Choosing the right height setting for your 5th wheel hitch is a combination of a few different variables. First of all you want your towing setup to be as level as possible. With your Montana High Country 340BH level you will want to measure from…

Comparing Rota-Flex and Gen-Y 5th Wheel Pin Boxes

Great question, Jeff! When the Rota-Flex first came out it renovated what a pin box could do and be, but at this point in time that technology is a little more dated and the Gen-Y Hitch Shock Absorbing 5th Wheel Pin Box #325-GH-8040 is the…

Does Truck with 6-1/2 ft bed Have to Use Slider Hitch for Turning Clearance with Fifth Wheel Hitch

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length…

Does Truck with 6-1/2 Foot Bed Need a Slider Hitch

Beds shorter than 8 foot do commonly need a slider hitch David, but a lot of modern fifth wheel trailers are now made with tapered noses to help and in a lot of cases a slider…

Do I Have to Have a Sliding 5th Wheel Hitch in a Short Bed Truck

You do not have to use a sliding 5th wheel hitch in a short bed truck. In many cases, truck beds shorter than 8 ft do not have enough clearance between the trailer and truck to execute sharp turns. This is why sliding hitches were invented. Due to…

Ram Truck Factory Puck System for 5th Wheel Hitches

The Ram OEM 5th wheel puck system, shown in the linked photo and article, was launched in 2013 so what you have in your truck is likely to be an aftermarket installation of some kind. These newer Ram trucks with the factory prep can directly accept…

Comparing the Curt Q20 and the Curt A20 5th Wheel Hitches.

As far as height adjustability and weight capacities the Curt Q20 #C16130 and the Curt A20 #C16140 are identical. They both have a Gross Towing Weight of 20,000 lbs, a Vertical Load Limit of 5,000 lbs, and a height range of 13-17 inches. When it…

2019 Ram 2500 OEM Puck System Adapter for RBW Lil&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39; Rocker 5th Wheel Hitch

As long as the RBW Lil&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39; Rocker mounts to industry standard base rails…

Is Wedge Needed for B&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;W Companion and Lippert Turning Point Pin Box

A wedge is needed, yes, and the Lippert Turning Point pin box does come with a universal wedge, but it is not a very good fit with the…

If you take a look at the linked diagram you can see the minimum recommended clearance distances between truck and trailer for 5th wheel towing. It is recommended to have at least 5-inches from the top of the bed rails to the bottom of the trailer…

Roto-Flex Pin Box Compatibility With Curt A25 5th Wheel Hitch

The Curt A25 5th Wheel Trailer Hitch for Ram Towing Prep Package #C16046 will work well with the Roto-Flex pin box. The combination will be a good match for you and this hitch with the specific connection to the factory prep package pucks will make…

Gooseneck and Fifth Wheel Adapters

Fifth Wheel Hitch

Fifth Wheel Sliders

Fifth Wheel Wiring

Fifth Wheel King Pin

Fifth Wheel Accessories

Towing

2021 GMC Sierra 3500 Trailer Hitch