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Curt Custom 5th Wheel Installation Kit for Ford - Carbide Finish

Curt Custom 5th Wheel Installation Kit for Ford - Carbide Finish

Item # C16424-204
Our Price: $252.89
Fifth Wheel Installation Kit

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Install your fifth wheel trailer hitch in half the time with this custom bracket and base rail kit. Requires less drilling than universal kits and includes everything you need for installation. 1-800-940-8924 to order CURT fifth wheel installation kit part number C16424-204 or order online at Free expert support on all CURT products. Great prices and Fastest Shipping for Curt Custom 5th Wheel Installation Kit for Ford - Carbide Finish. Fifth Wheel Installation Kit reviews from real customers.
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2014 Ford F-350 Super Duty - Curt Custom 5th Wheel Installation Kit for Ford - Carbide Finish

  • Above the Bed
  • CURT
  • Custom

Install your fifth wheel trailer hitch in half the time with this custom bracket and base rail kit. Requires less drilling than universal kits and includes everything you need for installation.


  • Custom brackets mount beneath your truck bed to provide attachment points for 5th-wheel rails
  • Base rails sit in truck bed and allow installation of 5th-wheel trailer hitch
  • Custom fit - brackets mount to existing holes in your vehicle's frame
    • Minimizes drilling
    • Cuts installation time in half compared with universal bracket systems
  • Kit includes brackets, rails and hardware
  • Visible rails have carbide black finish to match your hitch
  • Compatible hitches - Curt, Draw-Tite, Hidden Hitch, Husky, Reese and Valley
  • Assembled in the USA

16424 CURT Custom Bracket Kit for Fifth Wheel Trailer Hitches

16204 CURT Universal Carbide Fifth Wheel Base Rails

Installation Details C16424-204 Installation instructions

Video of Curt Custom 5th Wheel Installation Kit for Ford - Carbide Finish

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Curt 5th Wheel Kit Installation - 2015 Ford F-350

All right, today on this 2015 Ford F-350 Super Duty we're going to show you part number C16424-204. This is a Curt Custom 5th Wheel Installation Kit. All right, this is what the rails look like when it's installed in the bed of our truck. Now, we have a typical 5th wheel hitch installed on the rails to give you an idea how it works. These rails will work with a variety of other brands of hitches that are out there. One thing to note, that the hitch and the hitch pins that are shown here do not come with the rails.

Okay We see the rails on top. Now, let's go ahead and take a look at the frame kit that goes underneath the bed of the truck. This is our frame bracket right here that bolts to the frame using existing holes, so there's no drilling into the frame whatsoever. Our cross rails on top bolt to our bracket through here. This is the rail that's closest the tailgate.

Now, these holes you do have to drill, of course, to install your rails. One thing you know is that on the front rail up here, our bracket connects to the bolt that is closest to the tailgate, and then our bolt up by the cab uses the structure of the bed itself for its attachment. Now, our rail kit is designed to work with all the weight capacities that are available in the 5th wheel trailer hitches that out there. Also, double check with your owner's manual or the manufacturer of your truck to make sure that your truck can pull these kinds of weights. All our components are wrapped up in a powder-coat finish as well. All right, the first thing we need to do to install the 5th wheel kit is get our truck ready. To do that, it helps to have the truck lifted as far as possible to get the weight off the suspension.

Also, if you can, take the wheels off. It gives you a little bit better working room. Not mandatory, but it makes things easier. You will have to lower the spare tire for some work underneath the truck. All right, now we can go ahead and make some marks in the bed. We'll go ahead and work with the rail closest to the cab of the truck.

It'll measure out as described in the instructions. We want to start from this edge here of the bed, and not the tailgate, and measure back. Go ahead and make our mark. Do the same thing on the other side. Now we'll go ahead and take our rail, and we'll go ahead and put it up to our marks. We're going to use this edge of the rail. We want to make sure that we have it even left to right. Next, we'll go ahead and mark and drill our holes. I like to take a 1/2" drill bit and make my mark first with it. We're going to be doing two holes on the outside of the rail. This will be the same thing on the passenger side as well. Next, we'll go ahead and drill out a pilot hole. Anywhere around a 1/8" size will work. Now, it does tend to come out right on this angle right here, so you kind of start out at an angle and then end up straight. Okay, with our pilot holes drilled, I'm going to leave my bit inside here for now, and we'll double check to make sure our frame brackets will match up with holes. We'll go ahead and look on the side of the truck. We're at the driver side. Here's a drill bit sticking through. This is the hole that's closest towards the tailgate. We put our bracket up. When we put our bracket up, one side with the one tab here goes towards the front. We'll line up the existing holes. It looks like we're good to go. We'll repeat this process on the passenger side and then we'll enlarge our holes to 9/16". Okay. Once you're satisfied with the placement of the holes, I like to go ahead and save this hole for the last one to drill out. We'll go ahead and do the same steps as before. We'll mark and drill and do our pilot hole. All right. Now, we'll go ahead and drill out to our final hole size. You may even want to use multiple size bits to work your way up. We're going to work our way up to 9/16". All right. Now, I'm going to use a step bit to get to the final hole size. Also, it helps clean out the burrs. With our frame back, I'm just going to line up the existing holes. One, two, and three. All right. Let's put this back down, and we'll install our first piece of hardware from the inside. We'll use a large bolt right here with this block and we'll run it to the inside. We'll take our bracket and put it over that bolt. We'll go ahead and install a matching flange nut just enough to hold it together. We can still move it around if we have to. Now, we'll install our hardware for these two holes, which will be identical, which will be a 1-1/2" long carriage bolt and a long block. Now, there's some shorter blocks in here, but you want to use the long ones. It'll be easier to reach underneath to push these in. On the inside of the truck looking out, here's our hole, and we'll install our hardware. We'll put a matching flange nut on the other side as well. Our next thing, we need to add these spacers between the hat channel and the corrugation of the bed. Now, a lot of times it's going to be a tight fit, so you'll probably have to get it started and then tap it into place. Make sure our opening will match up to the bolt. Now, it may not sit really close to the bolt. Make sure it has clearance for it. Don't be surprised if sometimes you have to work the metal down. Since we have this loose, we can always take this back off and give yourself some more working room. All right It's going to be the same thing on the other side of our truck. However, there'll be a few obstructionism in the way of other components, and will show you how to get the hardware inside of the frame. Now, this bolt in the center is going to be a little bit of tight fit, but it'll go in. This bracket is really close to the hole here. What I like to do is take the little block and kind of hold it in place up to the bracket so it doesn't sit on top of it. We want our block to sit like that, and then we'll install our larger bolt. This one will be easy to get to, so we can simply push in like we did before. All right, now, this hole is kind of obstructed by some lines above the gas tank. You can probably reach in and over if you're flexible enough and install the hardware, but the kit does come with a bolt leader, so we'll just push through the hole, back through the top of the frame, and install our hardware this way. Same block as before, push it over the bolt leader, thread in our 1-1/2" long bolt, then pull it on through. Make sure it's seated in the block and we'll go ahead and take the bolt leader off and install a flange nut. All right Now, we'll go ahead and take our spacer blocks and put them in like we did before. All right. Now, we'll go ahead and install our longer carriage bolts. We'll just drop them through in all five holes. All right. Here is your carriage bolts we installed. Make sure you install the 2" long carriage bolts. This block will go on the bottom . and flange nut. For now, we're done with our passenger side. One more time on the driver side. Okay, let's go ahead and add our hardware to the bolts that are in the center. We'll add one more spacer to it . and then the flange nut. Okay, just enough to keep everything together. All right, let's grab our second base rail here, and we'll go ahead and put it into place. We're not going to worry about measurements right now. We'll go ahead and use the hitch to help place it. All right, now, for a hitch putting a rail in place, we'll go ahead and make sure it's even, just like we did before. We'll also measure diagonally to check to make sure it's square with the front rail. Okay, same process as before. We'll go ahead and mark and drill our holes. After our hole is drilled out, we'll go ahead and put a rail back in place and install our hardware, just like we did before. At this point, it's a good idea to go ahead and install the hitch pins for your hitch. Make sure everything fits the way it's supposed to. This will also help keep everything in alignment once you tighten it down. Same thing as before, we need to go ahead and install our blocks between the hat channel and the corrugation of the bed. Done with the passenger side. One more time on our driver side. We'll go ahead and install our hardware here as well. May have to push the bolt up, in this case, and put your block in. At this point, all our hardware is installed. I like to go ahead and snug down these bolts for now. Get our frame brackets next to the frame. For this hardware here in here we'll use a 3/4" socket. For this hardware, we'll need a 1-1/8" socket. This is our driver side. One more time over on our passenger side. Now, with these four bolts here, will go ahead and tighten these guys down with a 3/4" socket and we'll get those as hand tight as possible. Okay Now, all our hardware hand-tightened for our rails, we'll go ahead and torque them down as best by the instructions. All right. Now, with our cross rails all torqued down, now we'll go ahead and torque down our side plates to our frame. With all our hardware tightened down, we can go ahead and reinstall our tires and our spare tire as well. Okay. With that, that'll finish it for Curt Custom 5th Wheel Installation Kit, part number C16424-204, on this 2015 Ford F-350 Super Duty.

Customer Satisfaction Score:

Customer Reviews

Curt Custom 5th Wheel Installation Kit for Ford - Carbide Finish - C16424-204

Average Customer Rating:  4.7 out of 5 stars   (163 Customer Reviews)

Install your fifth wheel trailer hitch in half the time with this custom bracket and base rail kit. Requires less drilling than universal kits and includes everything you need for installation.


2012 Ford F-250 - Fast shipping and easy to follow directions were included. Bed rails and side plates lined up perfectly. My truck has the line x bedliner so I added 1/8” when setting the first rail. I highly recommend using a step bit to drill your holes for the rails in the bed. No drilling was required for the side plates into the frame. Install by myself took 4 hours with no lift. Could definitely be completed faster with an extra hand or lift. Measure several times and drill once and everything will line up great. Highly recommend!

2016 Ford F-350 Super Duty

Product was an exact fit for my 2016 F350 (I have Dual wheels but the kit fits both SW and DRW to my understanding.) I've paid up to $400 labor to have rails mounted in 3 previous trucks. This kit and the videos made me sure that I could do it myself, and I was right. Take your time, measure twice before drilling, and save some money. It took me about 4 hours, but only because I was being extremely cautious with a brand new vehicle. I did learn that the person that installed my previous hitch didn't follow directions as they put the spacers on the top of the bed instead of between the bed and the mounting plates in my previous truck. Getting the spacers in was the tricky part (and probably why the last installer I used didn't do it right). After seeing several other rail installations...I am much more comfortable with the way these mount to a solid rail bracket that is definitely secured better to the frame using heavy duty hardware and no drilling. Great product!

Richard P.


Rails have been in place for a year and used many times. Absolutely no issues and the bolts have all remained tight, thanks to the proper torque.


Box arrived damaged bolts and hardware falling out of holes in box very displeased this is the second time this has happened


Great product! Easy to install by yourself, would have been easier with 2 people but installed solo in about 1 1/2 hours.


The installation is straight forward. With a helper it took about 6 hours to install. With the hitch set at it lowest height was able to close my bed cover.

2016 Ford F-250 Super Duty

GREAT product, GREAT price, GREAT folks to deal with! Installed easily, followed the online video and everything went together perfectly. I did move my gas tank vent line on the left side as I was afraid the center bolt head would rub a hole in it but not a big deal.

Etrailer is terrific!

2016 Ford F-350 Super Duty

2016 F350 crew standard box. Installation went well with the videos help in about 3 hrs. The bolt leader provided really helped on the driver side.

2011 Ford F-250 Super Duty

The kit was a exact fit for my 2011 f-250 truck. I will be purchasing other items from etrailer . Shipping was fast and delivered ahead of time.



Fantastic with no problems

2015 Ford F-250 Super Duty

Purchased this hitch, install kit, and wiring harness for a new to me 2015 F-250. After watching the installation video and reviewing the included instructions the install went smoothly. The only deviation from the instructions was instead of using a unibit to drill the 9/16" holes in the bed I used a Rotobroach hole cutter(the holes are cleaner and the bit does not drift. I hooked in to my fifth wheel for the first time on Saturday.


What I was hoping for was the replacement hardware that was lost in shipping due to damaged packaging. I had communicated with Becky and Carol about the missing items. Because of the missing parts, I needed to have a friend bring our new trailer home for us. e had hoped to use the new camper trailer a few times this past year but now I'm saving money toward another hitch. Don't look for any stars unless things get worked out. I asked for help and got no responce.

Etrailer Expert

Jenny N.


I will have our customer service team reach out to you.


I ordered the install kit for my Curt 5th wheel and etrailer had the best price by far. The package got here way faster than expected.I haven't installed it yet but there were plenty of videos on how to install it.

2016 Ford F-250 Super Duty

Very fast shipping and EVERYTHING was there, no missing parts!!! The only thing i would change would be the directions. Read the NOTES before proceeding. You would think they would have put the NOTES before the next step.

Ford Flex

The only thing I found with this kit is that the brackets do not completely isolate the hitch plates from the body, the brackets and shims actually squeeze the body floor to the frame brackets. The body then cannot move or flex as it should!
All the brackets, shims, nuts bolts and washers are good quality


Very pleased with the product. Installation was easy. No frame drilling just as etrailer Mike L. said in answering my question and recommending the curt rails and mounting kit for my husky 5th wheel hitch.. Thank you etrailer and Mike L.

2018 Toyota Highlander

I ordered this product on Friday, September 7th, 2018 at around 8am. I received my package Monday, September 10th, 2018, which was incredibly quick. So thank you for that. I noticed that on the big “E-Trailer” box, there was a gash in the box. As I opened the e-trailer box, 2 of the gold flange nuts where there, just rolling around. I took the rails out, and made sure that no other hardware was in the big box. After I made sure the rails where going to match the hitch that I have(SuperGlide 2300), I opened the Curt box(which also had about a 6” gash in it, and all of the hardware was in the box. Nothing in the ripped open hardware bag, except for the instructions. I then got incredibly nervous, hoping that none of the hardware fell out of both boxes, and was missing. Luckily, all the hardware was there. As I took the frame rails out, I noticed that they were scratched, and dinged(most likely from the free rolling hardware, and abuse the package took while being shipped). However, the whole installation process was easy, and the instructions made it easy install. The products are extremely durable(in my opinion). So, I gave it three stars because of the packaging, and the “damage” that the product received. However, I give the actual product 5 stars.


Package of bolts was missing one

Etrailer Expert

Jenny N.


I will have our Customer Service team reach out so that we can have the missing bolt sent out.


Easy install. This is above rail meaning the rails are mounted on truck bed vs under


Frame brackets lined up great. Good instructions on lining up the bed rails to the brackets, an they Lined up first try. Seems to be good quality product.
My reese fifthwheel hitch fit great to this curt kit.

2014 Ford F-250 Super Duty

Very pleased with All product information and reviews help make decision very easy. Very quick delivery and installation instructions are very easy to follow. Purchased 5th wheel hitch and custom wiring extension for my 2014 F250.

Mike S.


Thanks for the follow up. I’ve enjoyed the products ease of installation and use. I easily hook up my 5th wheel camper by myself and have had no issues. Great products!

2015 Ford F-250 Super Duty

havent had time to install them but they do appear to be heavy duty and very well built


Been happy with the product overall. Chain is already rusted and I live in San Diego where it doesn't rain much. When detaching, I find I need to move the truck up and back a skosh (sp?) to release the clamp. this is my first purchase so they may all do this. I have a 8 foot bed and pull a 40 foot 5th wheeler and would probably purchase again.

Etrailer Expert

Heather A.


If the handle is not releasing the kingpin is binding with the jaws. The hitch needs weight on it to couple and uncouple so it makes sense that you have to move the truck back a bit to release the jaws.


Installation was easy and straight forward. Used this installation kit on our Curt 5th wheel to pull our 35’ 5th wheel camper. We pulled it on at least a dozen trips in 2021 with no issues.
I did re torque everything after the first trip just to be certain b

2016 Ford F-250 Super Duty

Excellent product and fairly easy to install minus having to find a torque wrench that can torque 350 ft lbs. overall I love shopping with etrailer and there customer service is outstanding!

2016 Ford F-350 Super Duty

Arrived a few days later than I hoped, however, I have installed the in/underbed parts, yet removed the in bed parts in preparation for a spray-in bed liner. Easy instructions, just follow the measuring instructions diligently and recheck measurements several times before cutting/drilling. I left the underbed parts installed and the fish wire provided makes installing the forward driver side bolt a breeze. Easy to install!



Still using and I really like the hitch and other items I purchased a year ago. After installing the Curt fifthwheel hitch, Ive used it several times and I will be using it a bunch over rbe next several weeks. Easy to maintain and use.

2016 Ford F-350 Super Duty

Once I got the rails installed in my 2016 FORD F305( with plenty of ease) almost immediately I went pick up a fifth wheel travel trailer (approximately 14,500#) stopped once to check the hardware, HAD ABSOLUTELY NO ISSUES WITH ANY OF THE HITCH. Thank you for such a good and dependable product, and yes I have even recommended it to others.

Earl Breaux

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