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RBP RX-3 Cab Length Side Step Bars; Black (18-20 Jeep Wrangler JL 4 Door)

Item J125532-JL
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Market Price $688.99 You Save 13% ($89.99)
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$599.00 (pair)

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      Review & Installation Video

      Hey. What's up, guys? Ryan here from ExtremeTerrain, and today I'm here with the RBP RX-3 Cab Length Side Step Bars in Black, fitting your 2018 and up four-door Wrangler JL. This is gonna be for the JL owner that's looking to spend a little extra money to get a very unique and functional set of side steps. Now these steps are not only gonna look great on your Jeep, but they're also gonna gain you some ease of access, whether you're hopping up into your lifted Wrangler, or you're reaching any cargo that you may have stored up top. These are also gonna add a ton of side protection for you, and their cab length design is designed to fit very close, giving you a little additional ground clearance. Now, these are gonna give you a little more ground clearance over your typical drop step, which is gonna be great if you're an off-roading enthusiast. Now if you're an avid rock crawler, this might not be the best option because a drop step can get caught on rocks. And the whole thing is coated in a textured black powder coating that's gonna provide corrosion resistance. Also going to give you that aggressive off-road styling. Now, these have patented welded mesh screens in them, which is going to filter out any mud or debris that you may kick up on the street or on the trail. These also have built-in step plates that are etched with RBP's logo. They're also going to give you maximum traction when you're stepping up on them, and they're fully removable, allowing you to clean these very thoroughly.Now, these are a completely bolt-on design and they reuse factory mounting points, so there's no drilling or modification required, and they even come with brand new hardware to install. Now, these steps are a little on the higher side, coming in right around at $600 but you get exactly what you pay for. These steps are geared a little more towards those people that want a very unique high-quality set of steps that's gonna last you a long time. Now, these also come with a limited lifetime structural warranty. They even come with a three-year warranty on their powder coat. As far as installation goes, I am gonna give this one out of three wrenches on the difficulty meter, as you can get these installed in about an hour just using basic hand tools and a friend. So with that being said, let's hop into the install.Tools we used for this install, 3/8-drive impact, 10-millimeter socket, 1/2-inch socket, 10-millimeter wrench. So before we get started with this installation, one thing I'd like to mention is if your Jeep came with factory side steps, you'll need to remove those. Now, this is relatively easy to do. You'll need a 13-millimeter socket and a 10-millimeter socket to get those off once you ditch them where you're ready to install the new side steps. Now we're gonna start with our driver's side. This comes with brand new hardware and one that already has brackets on it, so we're basically ready to put them on. These are a pretty heavy item and they're a little bit awkward, so I would recommend grabbing a friend. So I'm gonna grab a friend. We're gonna hold these up and we'll get these installed. So like I said, we're gonna start with the driver's side. The driver's side is going to have a pretty large gap here in the front. These steps are gonna wind up right in the middle of the door. We're gonna use the 8-millimeter hardware that they give us, and then each one is going to get a lock washer and flat washer. That's gonna go through these top holes up into the body. So I'm gonna grab my friend, pick it up. We're gonna put this thing on. Now, these brackets here are going to bolt to the pinch weld. They're gonna go on the inside. So this whole thing is just gonna sit in there up like this, and we're gonna get these bolts installed first. So once you get all of those other bolts in, we're gonna do the pinch weld bolts. Now, the pinch weld bolts are the smallest bolts they give you. They're 6-millimeter bolts. Each one's going to get a flat washer. They're going to go in through the outside, through our step, then it's gonna get another flat washer and a nyloc nut. So we'll just go down the line, get the rest of these installed, and then we'll tighten everything up. So now that we're ready to tighten everything up, we're going to start with the ones that go up through the bracket into the body. We're gonna use a 1/2-inch socket to tighten those up. Also, you want to make sure that this step is pulled all the way out towards the pinch weld. That way that this metal surface is flush. Next we're gonna tighten up the pinch weld. You need a 10-millimeter wrench and socket. We'll just go along and tighten all these up. So now that you have the driver's side fully installed, you can do the same exact thing to get that passenger side installed. However, that's gonna wrap up my review and install. For more products and videos like this, check us out at

      Product Information

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


      • RBP-RX-3 Step Bars
      • Ensures Easy Entrance and Exit on Your Jeep
      • Doubles as Side Protection
      • Cab-Length, 1-Piece Welded Steel
      • Available in a Black Powder-Coat Finish
      • Main Tube Measures 3 Inches, Rung Tube Measures 2.50 Inches
      • Patented Mesh Design
      • Comes with Paintable Textured Inserts
      • Simple Bolt-On Mounting
      • Installation Hardware Included
      • Sold as a Pair
      • Covered by a Limited Lifetime Warranty on Structure, and a 3-Year Warranty on Finish
      • Will Fit All 2018-2020 Models of 4-Door Jeep Wrangler JLs


      Function and Design in One. Step in style with these black RBP’s RX-3 Step Bars. These step bars are designed to provide an easy and safe way to get in and out of your Jeep Wrangler. It features a cab-length design that will snugly fit on your Jeep so it won’t affect the ground clearance, whether you’re using a lifted or stock-height Jeep. These side steps are available in a black powder-coat finish with textured paintable inserts so you can customize the steps based on your own style.

      Solid, One-Piece Construction. The RX-3 side step series is made from solid, 16-gauge steel tube with .84-gauge steel walls for support. This 1-piece construction is fully welded for added durability. It also comes with a patented mesh insert design to filter out mud sprays whenever you’re out on muddy trails, thus making cleaning an easy task. These side steps can support up to 450 pounds and also double as side protection, keeping your lower doors and rocker panels safe against scratches and dents.

      Easy Installation. These side step bars are designed as direct-fit additions for your Jeep Wrangler. You can use all existing mounting points on your vehicle, thus eliminating the need for additional drilling and modifications. For added convenience, these side steps come with mounting hardware, too.

      Quality Backed by a Warranty. These RBPs RX-3 Step Bars are backed by manufacturer warranties. RBP offers a limited lifetime warranty to cover for any structural and workmanship flaws, and a separate 3-year warranty on the black powder-coat finish. For complete warranty policy, please refer to the manufacturer’s website.

      Application. You can use these RBP RX-3 Black Step Bars on all 2018-2020 models of 4-Door Jeep Wrangler JLs.

      Fitment: 2018 2019 2020 Details

      MPN# RBP-1510B-RX3

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (4)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 4 customers

      • October 12, 2019

        5 2019 Rubicon - RLB

        Perfect fit and well worth the extra money!

        Install was easy and looks great and really helps the DW climb in.

        Helpful (1)
      • September 04, 2019

        4 2019 Rubicon - PrincessN

        Steeping in style

        I really love the look and the quality of these steps! They are very sturdy and appear heavy duty. They came professionally wrapped which I was very impressed by but my steps still had a little damage (chipped pieces) to the ends of the bars. I was too excited and had waited a week or so for them, so I decided to deal with the minor imperfections. Other than that I think these side steps will make me happy for a while. I can say that the construction and materials of these steps are worth the price!

        Helpful (2)
      • July 23, 2019

        5 2019 Rubicon - awsome

        heavy duty


        Helpful (1)
      • December 28, 2018

        5 2018 Wrangler - MindyL

        Love my new Steps, easy install

        This was my 1st "major" mod to my JL. Love the way it looks and it was easy and quick to install, 9 screws on each side, no drilling needed. Directions are not included but you really don't need them.

        Helpful (3)

      Questions & Answers (2 answers)

      2 Top Rated Questions

      These RBP RX-3 Cab Length Side Step Bars have grabbed my interest. However what concerns me it they are mounted to the body not the frame. How does a body mount compare to frame mount?

      • A frame mount is going to be strongest mount option, whereas body will not be as strong. However, both are viable options and can handle a good amount of weight.

      Helpful (0)

      Will these fit a 2020 Rubicon Gladiator?

      • Until we begin to offer Gladiator parts on the site, we cannot assist with Gladiator fitment.

      Helpful (0)
      Post Your Question

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Step Bars
      • Mounting Hardware

      Will It Fit My Wrangler

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