To see if this custom-fit item will work for you please tell us what vehicle you'll use it with.
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This hitch is rated for 20,000 lbs gross towing weight and 5,000 lbs vertical load, giving you the strength to handle heavy 5th wheels with stability. Its sturdy steel construction and carbide powder coat finish stand up to demanding use, while the design keeps everything solid and quiet on the road. You can count on it for long hauls where smooth, steady towing really matters.
The rounded, interlocking two-piece jaws wrap completely around the king pin for 360-degree contact. That tight grip cuts down on rattle and movement compared to slide-bar models, making hookup easier and the ride quieter. It’s a design that feels locked-in from the moment you latch on, keeping your trailer secure mile after mile.
Before you roll out, a quick look at Curt’s color-coded indicator tells you exactly where things stand—red for uncoupled, yellow for ready to couple, and green for tow. The handle is easy to reach from the side and automatically resets after uncoupling, so you’re ready to hook back up without extra steps or second-guessing.
When you need clearance during slow turns, the non-binding S20 slider gives you 12" of fore/aft travel. It moves smoothly in both directions and automatically latches into place, helping prevent the trailer from contacting your cab during sharp maneuvers. The result is stress-free turning in tight spaces without leaving the driver’s seat more than once.
When it’s time to clear the bed for other uses, the fast 1-pin head removal makes it easy for one person to lift off the head and store it. Built-in zerk fittings make lubrication simple too, so when you’re ready to tow again everything moves freely and stays protected.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody. This is Jeff at etrailer.com. Today we're gonna take a look at the Curt Custom Fifth Wheel Bracket Kit for your Chevrolet and GMC trucks. Now this is a custom-fit part. It is designed to fit the 2011 to 2019 Chevrolet Silverado and GMC Sierra 2500 and 3500 trucks with either the six and a half foot bed or the eight foot bed and without the OEM prep package. Now on a custom-fit part like this, I do recommend for you to go to our website, use the Fit Guide, put in your year, model, vehicle.
It'll show if this will work for your application. Now these brackets here are designed to mount beneath your truck bed, and they provide the attachment points for your fifth-wheel rails to attach to. Now those base rails we do sell separate on our website. Does require the base rails, part number C16104, C16204, or C16205. Those rails will bolt to these mounting brackets.
Now these brackets here will provide a custom fit. They mount to existing holes that are in your vehicle's frame. You can see the holes right here in the sides. These holes will eliminate the need for drilling. Cuts the installation time in half when compared with universal bracket kits.
Now it does include all the necessary hardware to install this. Comes with a nice set of instructions that'll describe how it all goes together. And these parts have a nice black powder coat finish on to resist corrosion. And these brackets are designed to work with the industry-standard rails that are compatible with B&W, Curt, Draw-Tite, Reese, and Husky above-bed fifth-wheel trailer hitches. But that should do it for the review on the Curt Custom Fifth Wheel Bracket Kit for the Chevrolet and GMC trucks.
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Ratings & Reviews
I had originally ordered a 11604/11607 under bed gooseneck mount for my 2019 Silverado 2500HD, but found out during initial parts fitting that an under bed rib had been welded out of position on my truck, and the side rail brackets would not fit because of it. A phone call to Curt verified my finding and they suggested going to an in bed rail mount as an alternative. I called etrailer and spoke with Bailey B about my situation and she was very quick to understand what I needed to do. She helped me place an order for a 16411/16204 in bed rail mount kit. She then emailed me instructions and UPS shipping labels so I could return the parts I could not use. I received my new kit yesterday (one day early!!) and a quick look tells me I now have what I need. Bailey B was super helpful, and the exchange process was above and beyond my expectations. Count on me for future purchases. I had hand surgery a few days ago so it will be a while before I can install this hitch rail kit. If I can edit this review then, I'll add pictures. In the meantime, I'm going to have a spray in bed liner done and I'll be ready to go. Thanks again Bailey and etrailer!
It went together well! It will work well and it's where it's supposed be!
Arrived fast works well
The hitch has worked very well. It is very sturdy, and I have had no problems. I would recommend this to someone with a short bed for the ability to slide the hitch.
Heavy steel construction. Went on without an issue. Everything fit like a glove. I would suggest the 10-bolt pattern as I did for extra strength and security.
This bracket and rail kit was the perfect fit for my 2011 Silverado. Made the install of my hitch a breeze and allowed me to be on the road with my new trailer in no time.
All parts showed up in good condition
This is a great product, but the install time estimates are way off. I have been a mechanic in my own shop for 19 years and I didn’t remove the rear wheels or the spare tire (because) it wasn’t necessary on my truck. I have a lift in my shop and it still took me 6 hours to install it! Trying to hold the spacers while trying to get the nuts installed on the 8 outer through the bed bolts was ridiculous! Terrible place to get to, lots of bad words! I’m thinking that buying the custom kit versus the universal was a bad idea, I have installed both and it was no quicker with this kit and it was almost a hundred dollars higher. My install was on a 2013 2500hd.
If you do this yourself, definitely remove the wheel well liners and remove 3 of the 4 bolts holding the heat shield with one loosened to move it out of the way. Top front four nuts are the hardest to get started from under the truck. Start to finish 3 hours. Saved myself $500 for install
Just installed my curt 5th wheel kit,all materials are heavy duty and comes with all hardware needed. Installation is straightforward for the average DIY . The only challenge in the installation of the kit is getting the right tool to torque the rail bolts. My truck is a 2013 chevy Silverado 2500HD. I would recommend this kit.
Box was delivered with a little damage and the contents of the hardware bag was loose in the box. After going through the parts list and realizing I was missing 1 block, we contacted etrailer and they shipped the replacement part immediately, we got it within 3 or 4 days. Install was a breeze after watching the video and fishing the bolts and blocks in the frame. Only took a couple hours total.
Whew! Installing that Rail kit about kicked my butt! The reason why is all the trips I made from underneath the truck and back. The Rail kit is a very high Quality Product from Curt that fits perfectly in the bed of my truck. The hardware is also high quality. One downside is there isn't a lot of room to work as the gas tank on one side and the exhaust on the other side prevents easy access (gas tank in particular). It was very hard to get a wrench on the nuts unless you used a Gearwrench. After the install they are torqued to 110 ft-lb. The only way to do that was to put a 1 inch adapter on the torque wrench then put that in the open end of the gearwrench in the adapter. Then using a formula on line, convert that to what you have to ft-lb. Anyway It was worth it because I know I have a good product that will stand the test of time.
This is the second one of these that I ordered from e trailer. The first one I got at the same time as the fifth wheel hitch. I install on my 2015 Silverado 2500HD. I traded that Silverado for a 2018 Silverado 3500 Z71. Kept the hitch had to leave the rails. Great product and not bad to install. Took about 2 hours. If I trade again, I will get third.
Excellent product, perfect fit for my vehicle, arrived a couple days before it was supposed to. I did not want an "aftermarket" look, which is why I ordered a kit designed specifically for my vehicle. I did take the time to remove the heat shield to gain better access to the installation bolts. The biggest challenge was installing and tightening the bolts that go through the bed; there is not a lot of room between the trucks frame and the bed of the truck. The most challenging bolts were the ones on the driver side closest to the cab of the truck due to the placement of the gas tank. Trailer wiring was plug-and-play, hardest part was drilling the 2" hole in the side of my truck bed.
Last summer I made purchase of the A16 sliding 5th wheel hitch along with rails.the install took about six hours working by myself .following the enclosed instructions is important and saves time if you do it exactly as shown.I was very pleased with the delivery,it was prompt and no charge.that was great.the hitch is a slider which I think is important on a shortbed,could save damage to truck during maneuvers.my experience with etrailer has been really good and would recommend this company to anybody shopping for trailering equipment
The installation kit fit perfect but take the time to move the spare tire and the heat shield out of the way to make it easier.
Showed up 1 day late but was still to me quickly, boxes were damaged and instructions were missing but was able to find online. Easy to install and work perfectly.
First, the is a very heavy duty hitch. I watch the etrailer videos and the installation was simple. No issues at all. Second, I order from Matt who was very helpful an knowledgeable on the product. He said it would be delivered in two days. I laughed but low and be hold it was delivered in two days and the packing was incredible. I Thank you Matt for all you assistance.
Easy to install and works perfectly!
The installation video is very helpful friendly service and fast shipping and very accurate fitment definitely recommend e trailer for any trailer needs and accessories
I feel that the installation video simplifies the process to much. Attaching the frame plates with the bolt fish wire was more difficult than the video showed. I am to blame for the first bolt. We started on the left side and fished the back bolt first. I did not check to see if the wire would go through both plate and bolt once threaded onto the bolt. I just placed the plate on the wire and then threaded the bolt onto the wire and pulled or tried to pull it through the frame hole. The wire was "bunched" on part of the bolt and would not feed through the frame and the plate holes. I stretched the wire to the point I thought I was going to lose the bolt in the frame. We ended up getting the bolt back out and using the other fish wire to feed this bolt through. We made sure we could fit both the plate and bolt through together before fishing it through the frame. Once we did one the other three went a lot easier but we only had one fish wire to use.
I had watched the installation video several times and played it while we were working. The video is good but it makes the process seem to easy.
I would like to see the video have more details about this process and have 4 fish wire instead of 2 or tell people you may want to have two more on hand for piece of mind.
Great product, But.. anyone who thinks the install is easy has either never installed these or is not telling the truth! Access to the under bed rail bolts is near impossible!
This was an easy install. Very heavy and ready to pull my trailer!
An excellent experience with etrailer.com
Gwendolyn Y.
4/17/2025
The New hitch looks great in your truck, Frank! Have you taken it out for a spin yet?
Gwendolyn Y.
4/18/2025
Cammi, my customer support person was awesome. I told her what I needed and she recommended to perfect hitch. I was impressed with her knowledge of their products and how fast it was delivered. Installation was simple as long as you follow the very well written directions.
Brooke M.
2/5/2025
Cammi is going to love to see this review, Scott. Thanks for taking the time to write it! Ill be sure she gets to see it, and Im so happy to hear installation went off without a hitch! ;) Please let either me of Cammi know if we can help you out with anything else!
Scott
2/2/2026
My hitch is working great still. Easy to use no issues.
I previously owned the Curt A16. We needed a larger tow capacity so we purchased the A20 and decided to buy the S20 slider base as well. Too many sharp turning issues with our 6’8” Chevy standard bed HD3500 during maneuvering. The S20 slider should eliminate this issue. Also I love the design of both the A20 and S20.
Harvey
4/8/2026
This was a great purchase and it’s made backing into tight camping spots so much easier. 100 satisfied with this hitch and slider system!
Info for this part was:
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Matt
7/9/2026
One year and zero issues after many trips pulling our 43ft toy hauler.