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N-Fab Full Length RKR Side Rails; Textured Black (18-20 Jeep Wrangler JL 4 Door)

Item J119968
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Market Price $505.99 You Save 39% ($198.00)
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      Review & Installation Video

      Hey guys. Today I'm here with the N-Fab Cab Length RKR Side Step Bars fitting all 2018 4-Door JL Wranglers. So when you lift your Jeep, getting in and out can become a challenge if you don't have a side step to help you out. And especially if you're vertically challenged, like I am. These N-Fab side steps are going to be a perfect option to help you get in and out of your Jeep very easily and they're also going to double as some underbody and side body protection for whenever you're going out on the trails. So this is really gonna be for the JL owner that's looking for the best of both worlds. So I usually wouldn't recommend this kind of side step to the avid off-roader because this does hang a little bit low and has the potential to get hung up on rocks or other obstacles while you're crawling. However with this particular step bar you can take those off with a couple of hand tools in a matter of minutes. I also would like to mention that this is mounted to the pinch weld in the underbody and not to the actual body mounts. So these will be able to take some crazy abuse, however these will still be very solid and rigid and hold up to whatever you throw at them. So at the moment these are going to be listed on the page for about $500 and I personally think that that's a reasonable price considering this doubles as a rock slider and a side step. Other less expensive options on the page that you may be seeing will be for some more basic options like just the rail by itself with no stepping surface or something that has a fixed or a welded drop down step. Personally I think that these are a pretty good price for what these are and they even come with a limited lifetime warranty to keep a little bit of peace of mind. So install is gonna be a very easy one out of three wrenches on the difficulty meter. You're gonna need a couple of hand tools to get the job done and it shouldn't take you any longer from a half hour to an hour. So speaking of the install, let's jump into that now. The tools that I used for my install today were an impact wrench, pair of safety glasses, a 19 millimeter and a 13 millimeter open-ended wrench, a three-eighths inch drive ratchet, a quarter-inch drive ratchet, a 19 millimeter shallow socket, a 13 millimeter, 12 millimeter and 10 millimeter deep socket. So we're gonna be spending most of our time underneath the Jeep. So I would recommend for the first couple of steps that you grab a creeper or something comfortable to lay on. You're also gonna need a 13 millimeter deep socket and a 10 millimeter deep socket as well as a ratchet or an impact wrench. Our first step is to remove these 10 millimeter nuts that are on the studs on our pinch weld. There's going to be two on either side of each body mount so there will be six in total. I'm using a 10 millimeter deep socket and a quarter-inch drive ratchet since it is smaller to get that off. Since these are fairly new bolts, since the JL is newer then they will be pretty easy to get off. So after you remove the nuts on the back of the pinch weld here we do need to remove the bolts that are holding in three of these body mounts. They are gonna be a 13 millimeter bolt. I'm using a 13 millimeter deep socket impact wrench to get those off and I'm starting with the front one and moving my way down and I'm gonna leave the middle one for last so we can balance everything and get everything off. After those nine bolts are out, we can remove our side step. Just like your stock side step you are getting full wheel-to-wheel coverage with your new N-Fab step rail. So this is made of a plastic material that we obviously know that can break and get pretty damaged when we're out on the trail if it does take a beating, however with the new N-Fab side step you are getting a lot more of a durable construction. And it's gonna be able to take a beating off-road so this is made of welded steel tubing that's one and three quarter inch thick. It's going to have a texture black powder coat finish on it to resist any surface damage, any chipping on the paint, it's gonna resist any rust or corrosion on the metal. And it's really going to give you a sleek and off-road look overall. So the mounting points on the new side step are the same exact mounting points on this. Just as easy as this was to take off is the new one to put on. You also get two mounting points on each side rail for a side step. You get four side steps with this package, and this is going to be perfect if you need a drop down side step for easy access inside of the Jeep. And whenever you want to hit the trail and don't want this in the way to get hung up on any obstacles, you can easily take the two bolts out and take this right off and still have the same protection. This is also gonna provide a large stepping surface to easily get into your Jeep and you're going to have a bunch of dimples on the front to allow water to drain through and not become slippery and it's just gonna provide you a whole ton of traction when you're getting into the Jeep. You also have a couple cutouts on the sides and a bar here for some extra styling as well as some extra reinforcement. So now we can bolt up our new side step and get our steps installed. So now our next step after our side step is bolted up is to bolt up our steps. So you're gonna take the provided bolt and bolt it up facing the inside of the step here. And we're gonna do that with both sides. So once that is sitting there we can attach our nuts. Now you can take a 19 millimeter box wrench and a 19 millimeter socket and a ratchet and just tighten those down. And you're going to repeat the process for the back step and then on the other side as well. That's gonna wrap up for my review and install on the N-Fab Cab Length RKR Side Step Bars fitting all 2018 4-Door JL Wranglers. For more videos like this, keep it right here at

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Slim Wheel to Wheel Rail Design
      • Provides Excellent Side and Undercarriage Protection
      • Tough Welded-Steel Construction
      • .095 Inch Thick, 1.75 Inch Wide Main Tube
      • Durable, Textured Black Powder Coated Finish
      • Bolt-On Design for Efficient Installation
      • Lifetime Craftsmanship Warranty with a 5-Year Finish Warranty
      • Fits on All 2018-2020 Jeep Wrangler JL 4-Door Models


      Slim, Low Profile Side Rails Provide Excellent Protection. N-Fab Full Length RKR Side Rails give your 2018-2020 Jeep Wrangler JL 4-door a sleek look while properly protecting your Jeep’s sides and undercarriage. These rails install close to your Wrangler’s body for that low-profile look. Welded-steel construction can take punishment from rocks, tree stumps, and other obstacles you may encounter on your off-road adventures.

      Rust-Resistant Powder-Coated Finish. N-Fab Side Rails are finished with a chip-resistant black textured powder coat. The black textured finish complements any Jeep color. Aside from that, it also increases your rails’ rust resistance.

      Bolt-On Design Allows for DIY Installation. N-Fab Rails’ bolt-on design means you do not need to be a mechanic to install them on your Jeep. With a few hand tools, you have all your need for a successful installation.

      Lifetime Craftsmanship and 5-Year Finish Warranty. N-Fab Full Length RKR Side Rails are covered by a lifetime warranty for craftsmanship and a 5-year warranty covering the finish. For more details, please visit manufacturer’s website.

      Application: N-Fab Full Length RKR Side Rails are compatible with all 2018-2020 Jeep Wrangler JL 4-Door models.

      Fitment: 2018 2019 2020 Details

      MPN# J184RKR

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (8)

      Write a Review

      Ratings Summary

      4.4 out of 5 overall rating from 8 customers

      Installation Time: Afternoon

      • October 05, 2019

        5 2018 Wrangler - NJMevec Installation Time: Afternoon


        Easy to install, look great once on! If you're installing what you think is the driver's side and the middle bracket doesn't line up with the frame mount, it's the passenger side. There's only a few millimeter difference between the two.

        Helpful (0)
      • April 16, 2019

        1 2019 Wrangler - BfloBill Installation Time: Afternoon


        Ordered in mid December, installed a few weeks later. Now, after 3 months of use the bolts and weld seems are already rusting. Wanted something that did not stick out too far to replace the plastic Sahara running boards. These are (were) nice looking and decent design and extend maybe an inch beyond the plane of the door (maybe could be a little bulkier in design)

        Helpful (0)
      • November 20, 2018

        5 2018 Wrangler - LutherJ Installation Time: Less than 1 Hour

        Love it.

        I wanted something to replace the stock side steps; but wouldn’t stick out too far. These rails fit nicely and are very high quality. They really compliment the look of the JL as well.

        Helpful (9)
      • November 06, 2018

        4 2018 Wrangler - ParkerS Installation Time: Afternoon

        Looks good, limited protection

        Any pinch-seam rail is going to be suspect under real off-roading impact. While the n-fab rails look great and are well constructed, they didn’t hold up... great... when I took them to my local off-road park. People spotting me said they saw noticeable flex on my passenger side rail as I slammed down on a rock. I got home and noticed the pinch is bowing outwardly ever so slightly and my forward-most mounting bold was broken. It kind of makes me nervous to use my rock rails as rock rails in the future. That said, when I think about how my old plastic side steps would have fared under the same scenario, the nfab rail is a considerable upgrade.

        Helpful (10)
      • October 27, 2018

        5 2018 Wrangler - MichaelB Installation Time: Afternoon

        Great Product - Easy Install

        Looks good and works good. We wanted something low-profile, but that could adequately protect the pinch-seam. This fits the bill. We didn’t want a running board - those seem to just get pants dirty. It provided good protection on the trail, but didn’t collect any extra dirt or mud. Install was easy and straight forward. One man job in less than 2 hours. And it completes the look of the Jeep - it looked a little naked without anything down there. Excellent product. Definitely recommended.

        Helpful (9)
      • July 25, 2018

        5 2018 Wrangler - MikeF Installation Time: Afternoon

        Easy install

        Looks good on my JL. Took just over an hour to install.

        Helpful (11)
      • July 12, 2018

        5 2018 Wrangler - Gtotom Installation Time: Less than 1 Hour

        Work great

        Install was super easy took 30-45 minutes with two people, hardware was of good quality. Good overall quality for the price used them on the trail the same weekend and they worked perfectly.

        Helpful (11)
      • July 12, 2018

        5 2018 Wrangler - MatthewW Installation Time: Afternoon

        Great product!

        Highly recommend these for your new JL. Very easy to install in less than 2hrs. Great look to them and good protection when off the beaten path.

        Helpful (10)

      Questions & Answers (3 answers)

      3 Top Rated Questions

      Are these good to use as side steps?

      • These are geared more towards protection than side steps, these do not come very far out to provide a step. We do carry a kit that would come with the removable side steps for the side rails. That can be found by following this link.

      Helpful (1)

      Do they mount to the frame or the body?

      • These sides steps are installed on the body of the wrangler.

      Helpful (0)

      Will these work together with the Rubicon rails?

      • No, the N-Fab Full Length RKR Side Rails will not be compatible with the factory Rubicon rock rails.

      Helpful (0)
      Post Your Question

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Full Length RKR Side Rails

      Will It Fit My Wrangler

      • JL Rubicon 4 Door - 18, 19, 20
      • JL Wrangler 4 Door - 18, 19, 20

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