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Custom brackets reduce the amount of drilling and time required to install your fifth-wheel trailer hitch. Brackets, base rails and hardware included.
Features:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Speaker 1: Today on this 2016 GMC Sierra 3500, we'll be having a look at and showing you how to install the Reese Quick-Install Customer Base Rails and Installation Kit for 5th wheel trailer hitches, part number RP50066-58. This is what our rails look like installed. And as you can see it even works great with 5th wheels. Your 5th wheel or gooseneck attachment head will attach to your rail in the appropriate spot using pin and 00:00:30 clips. We have six spots going across each of our rails where we can install our 5th wheel or our gooseneck adapter plate or any other accessory that mounts to your industry standard 5th wheel rails.Now, what sets this kit apart from other 5th wheel kits on the market is that this is a vehicle-specific kit. It's not a universal install where you have to drill holes in the frame of your truck or do welding.
This'll go into existing holes already in the frame and requires minimal drilling in the bed of your truck for your carriage bolts to go through that secure the rails to the mounting brackets on your frame. This will give you a nice factory look and will help speed up your install a little bit.Now, even though these are above the bed rails, they don't stick up above your bed very much at all. So you'll still have ample room to lay any sheets of plywood down, or take use of your bed in a normal pickup truck manner. We have a nice powder coat finish across our rails and our frame brackets. This will help prevent rust and corrosion over the course of time.
Now that we've gone over some features, we'll show you how to get them installed.To begin our install, we'll need to take a couple of measurements to find the position of our rear rail. Where we'll get this measurement from the end of our bed and not the end of our tailgate. We'll fine these numbers for our bed length in the instructions. Now we'll measure and find the center of our bed and just make a small reference mark. So we'll measure side-to-side, both directions, and make a mark.
Now, we'll slide the back edge of our rail against the marks that we made.With our rail now in position, we've ensured that it's centered, based upon a reference mark that we made and we'll drill small pilot holes through both ends of our rail at the square hole that's next to the one closest to the edge. And we'll repeat the same process on the other side. Now on our center hole on the side of the rail that's closest to the cab of the truck, we'll also drill a pilot hole.Now we'll take our frame bracket, these oblong holes here and here, we'll line up with these holes in the frame. We'll slide it over the frame and make sure that these holes here and here on the back line up with the pilot holes that we made. As you can see, our pilot holes in the bed line up with the frame bracket so we're safe to enlarge these holes now.
Now we'll slide our rail out of the way and we'll enlarge our pilot holes to the size indicated in the instructions using a step bit to do this. We'll repeat this same process for our other holes.Now to help prevent rust from occurring, we're going to take some spray paint and go around the edge where we drilled out. Since we have a spray in bed liner we're just using black spray paint. If you don't have that you can just use clear coat, that way you don't have to worry about buying matching paint for your truck bed. Now we'll drop our carriage bolts through our rail and the hole that we drilled.Now we can take our frame rail, we'll make sure that our carriage bolts on the side go through the back hole and a forward hole on the rear section of the rail. And to help hold the rail in position, we'll just temporarily push our carriage bolts, the big ones, through the frame rail and in the frame. This'll support it as we install our hardware underneath.Here we are underneath the truck bed. You can see where our carriage bolt goes through our bracket. We'll take one of our U-shaped spacer blocks and place that between the frame bracket and the bed. This'll prevent the bed from getting crushed as the hardware is tightened. We'll place on a conical tooth washer with the teeth facing the frame bracket, followed by a lock washer and we'll thread on a nut. We're just going to have this finger tight for the time being. We'll do the same process for both locations.For our center bolt, we'll just have one of our blocks, our conical tooth washer, a lock washer, and a nut and just finger tight for right now. Now that we have our frame rail loosely bolted t our back rail, we can remove our carriage bolts that we used to help hold it in place. We'll take one of our pull wires and we'll go through the frame bracket and the frame and we'll work it towards the front of the vehicle.Inside the frame right above our bump stop mount the pull wire will come out. You can see that on the other side. We'll now take one of our square blocks, place it on the wire, stick it inside the frame and we will thread our carriage bolt onto the wire. We'll push that inside the hole. We will now pull the bolt through the hole. You may need to use a screwdriver to help line it up properly. With the bolt through the hole we'll now remove the pull wire, place on our conical tooth washer. The teeth will face towards the frame bracket. Now we'll thread on our nut. Now we'll do the same procedure for the other mounting location for our frame bracket. Now we'll repeat the same process for the other side of the truck.In order to get the proper placement for our front rail, we went ahead and laid our front rail in the general position and used our 5th wheel head that we're going to be using to hold it in place. This gives us the proper spacing from the rear rail and the cab of the truck. Now we'll drive our pilot holes for our rail. On the front rail we'll be using the two outermost locations on each side. We'll also use the center one that's closest to the cab of the truck. With our holes marked, we remove the front rail and now we'll enlarge the holes. We'll use our spray paint again so we don't have to deal with any rust later down the road.With our paint done, we'll now slide our rail back into position underneath our 5th wheel head. Now since our holes here don't sit flush with the bed and there's a gap underneath the rail, we'll slide one of our spacer blocks underneath the rail and then insert our bolt. We'll do the same for the other side. Now, since our middle one is flush with the bed we don't need the block, we'll just draw the bolt through. It's the same process to install the hardware for the front rail into our frame bracket, minus the fact we do not need the U-shaped spacer underneath the bed of the truck since that went on top of the bed.Now we'll install the hardware for the center bolt on the front rail the same way as we did the back. Now we'll tighten down all of our hardware. When we tighten our rails to our frame brackets you will need a ratcheting wrench because it is difficult to get in there with a socket. Now we'll torque all of our hardware to the amount specified in the instructions.That completes our look at and installation of the Reese Quick-Install Custom Base Rails and Installation Kit for 5th Wheel Trailer Hitches, Part number RP50066-58 on this 2016 GMC Sierra 3500.
Average Customer Rating: 4.8 out of 5 stars (198 Customer Reviews)
Custom brackets reduce the amount of drilling and time required to install your fifth-wheel trailer hitch. Brackets, base rails and hardware included.
The installation instructions were detailed and clear. Did it by myself in about 4 hours. Inexpensive solution if you didn't get the 5th wheel prep package.
Received the product the very next day shipping was excellent. Boxes were well taped and secured and complete. This was installed on a 2011 Silverado 2500 HD with a 8 foot bed . My installation was straightforward ,followed the included directions , and it installed very easy. I only have two suggestions ,
Get the spare tire down and out-of-the-way and do whatever is necessary to get around the heat shield. I just cut a small section of mine away . I have done business with etrailer for about five years now. I use to price check and order everywhere off the Internet. I don't do that anymore because I always ended up back doing business with etrailer.com.
For four reasons ... Best price around, quality products, great customer service from a live person, well packaged products with the fast shipping
Installed on 2017 chevy 2500. Square washers for the 5/8 bolts were to big to fit through the acess holes in pickup frame. I had to fish them through a bigger hole further up the frame rail. Other than that, excellent products. Once I found etrailer, its the only place I shop for trailer products
Fast shipping!! Installed on a new 2016 GMC Sierra 3500 Denali. Only issue was the exhaust heat shield.. It must be removed for easier access to install hardware. It takes about 3 hours to install with one person. Otherwise no issues. E Trailer is great to do business with!! Thank you
Hooked this up myself with my son. Took our time and had no issues. The directions were excellent and walked us through every step. Very happy with the purchase.
Why can't you show my review because your company is wrong maybe new management is needed
I purchased the Reese dual jaw slider and install bracket kit. Everything arrived in three days in perfect condition. After watching the install video and reviewing the enclosed instructions I installed the assembly myself. It took approximately 4 hours . As you can see I also did additional steps, cutting the rubber bed mat to fit around the rails. Also undercoating the brackets to blend in the wheel wells. Etrailer is definitely the place to go for all your RV needs.
Was great doing first time order here was suprised how quick they shipped it
I purchased fifth wheel hitch rails. They were worked great. We certainly put them through a strong test. Unfortunately we got stuck on a very muddy, greasy road on a hunt. The fifth wheel was leaning at an angle but the rails held! I was extremely relieved and happy that they did. Thank you etrailer.
Very good product superior packaging super fast shipping
Kit was pretty easy to install. Definitely watch the video. Some of the bolts are in tight spaces. Overall very good kit. Well constructed.
Rail kit was great and etrailer was great with fast and free shipping.
Only advice: I installed this kit on my 2014 Chevrolet 3500 and I would not do it again.
I'd spend the extra money and get the RP56001-53 kit...much much easier to install
If you have time and patience, it's worth the savings. Otherwise save yourself the tight quarters of trying to get to those bolts above the frame rails.
I suspect this kit was an earlier design that was or should have been superseded by the later one.
Fast shipping, all good, no problems
Although the Rails won't be installed until my new truck comes in mid April, I fully expect the product to be as advertised. I was recommended to your site and product by salesman from major manufacturer of the 5th Wheel Hitch currently used.
Arnold
9/22/2014
Has been a year and Product has worked out just fine !!
Excelent product. Made the install much easier than it needed to be. The video helped a lot. Access to some of the bolts were very difficult (ones above the gas tank). Dropping the spare tire made it easier. Biggest problem was removing the heat shield as on my truck the darn Torx screws stripped. I ended up cutting most of the heat shield off. Bottom line, this is a great product, very heavy duty and very versatile.
Jason W.
6/12/2014
Still working great.
Hi Carol.
I got the package. I hope to install next week. I’m also looking to put a 5th wheel electrical plug in the bed. 2019 Chevy 3500 with the factory prep for the wiring harness. Do you have a correct fit kit to do this?
Mike L.
10/26/2018
We do offer a 5th wheel wiring harness for your 2019 Silverado 3500. Id recommend the Hopkins # 41157, which you can see by using the link provided below. The harness plugs inline right behind the 7-way installed on your trucks rear bumper, between the trucks factory harness and the existing 7-way.
Helpful Links
Custom-Fit-Vehicle-Wiring/Chevrolet/Silverado+3500/2019/41157.html?vehicleid=201913372
Excellent product. Installation of washers and nut on front passenger rail under bed a little difficult. Probably worth the extra cost to buy the outboard brackets and longer rails. Removal of spare tire required.
Laura E.
11/8/2016
Thanks for your review, Ron. We note that removal or lowering of the spare tire is only temporary.
Rail Mounting kit arrived in perfect condition, with all required attachment hardware and special bolt insertion tool. All items fit up as advertised on my 2019 GMC 2500HD std bed Sierra. Completely satisfied.
Ralph K.
1/9/2021
After a year since installation and several trips with my 5th wheel, Im still completely satisfied with this rail mounting kit, It has operated perfectly with my Andersen Ultimate Rail Mount Hitch.
Great product! Everything fit as it should. Customer service was great they help the entire way even when ups lost part of the shipment!
This was a nice product easy to install.
The hitch works good the only thing is it is hard to unlock because the jaws are tight. Other than that had no problems.
Mike L.
12/28/2018
If the jaws are difficult to unlock, youll want to make sure the hitch has been lubricated according to the operating instructions. Also, if the fifth wheel and the hitch arent both level, the pin box may be applying some force to the jaws, causing them to bind. Moving the vehicle a bit will usually allow the hitch to unbind.
The rail kit installation went smoothly. I did the complete installation alone just to see if I could complete it without any assistance from anyone. (The installation honestly took me about eight hours which included quite a few breaks!) The only difficult task for me was installing the two nuts and washers on the front two bolts on the LH Frame Bracket due to the tight clearance around the large diesel fuel tank on my truck. As some of other folks mentioned, removing the spare tire and exhaust system heat shield are a must for installing the rail kit this model truck. The quality of the components is excellent. My wife and I will be pulling our 5th Wheel to the Georgia Mountains with this hitch this weekend!
ordered this with the titan reese hitch
package came quickly and intact via ups
easy to install; great instructions and on-line video
Gary K.
10/23/2017
Both good, happy with the product
These rails were a perfect fit on my previously used 5th wheel hitch. I am installing them myself on my 2016 GMC 3500 Sierra. However, the time it has taken, has been longer than advertised. I am stuck with three unreachable bolts. I am 63 years old with arthritis, so it is a challenge. I am very pleased with the service that e-trailer has provided me on instructions. With them, Installing the rails is a straight forward project even for this rookie. I am not pleased with the box that the rails were shipped in. It was too large a box and the rails tore the box apart. The bag of ten bolts, nuts, washers and spacers was also ripped open. Fortunately all was accounted for.
I really appreciated the very informative videos etrailer provided for the install on my 2015 Silverado 2500. I was able to focus my efforts on the high degree of manual dexterity required to mount the rails to my truck without the assistance of a lift. It was a very rewarding experience and I was shocked to learn the positions I could get my aging body into under that truck.
Couple of Tips from me to the next guy:
1) Use electrical tape on lead wire coil and bolt. Too nerve racking pulling on that wire and hoping it wasn't going to yank free of the bolt.
2) When you go to install the washer, lockwasher, nut combination, put a piece of duct tape over the hole in the top of the frame. When (not if) you drop the nut it will bounce off the tape rather than making the nothing but net swishing sound on it's way into your truck frame.
Really solid hitch. I'm very satisfied with the purchase.
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Steve A.
9/17/2020
Excellent