Roadmaster Crossbar-Style Base Plate Kit - Removable Arms
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2018 Ram 3500
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2018 Ram 3500
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If you want a clean, factory look when you’re not towing, this setup keeps things neat. The crossbar-style hidden brackets mount to the frame and let the square drawbars come off in seconds with two hitch pins. Once the drawbars are removed, the remaining brackets stay tucked inside the grille—virtually invisible and protected from scrapes or scuffs.
This kit is built from computer-cut, all-steel components that give it exceptional strength and a precise fit. The black powder coat finish holds up against corrosion and wear, even after long miles of towing. It’s solid hardware that distributes towing forces evenly and keeps the connection secure trip after trip.
You don’t need to weld anything to get this mounted. The kit comes with detailed instructions and all necessary mounting hardware for a straightforward bolt-on install. The design lines up with existing structure points on your vehicle, so setup goes smoothly without any unwanted fabrication.
This base plate pairs seamlessly with Roadmaster tow bars when used with the quick-disconnect crossbar (#910021-00, sold separately). That means you can hook up quickly and easily without fussing over mismatched parts. Add your tow bar, safety cables, wiring, and braking system, and you’re ready for reliable flat towing that stays solid mile after mile.
Ratings & Reviews
Etrailer was very easy to do business with and made it simple to ship my order directly to the RV shop that was going to install it. This was my first order from them, but I will definitely consider future purchases from them if I'm in need of something for my RV.
The representative (Sarah) was very helpful and knowledgeable, the prices are very reasonable and all my items arrived on time. When I called with a question, she was very polite, friendly and genuinely sounded like she enjoyed her job. When I discovered one of the items I ordered wasn’t needed, getting help to return was hassle free. I would recommend etrailer to anyone that needs anything RV or trailer related. I will definitely do business with them again. I am impressed.
We towed our 2004 Subaru Impreza WRX STI 3000 miles last year, this is an ideal setup, discreet when not in use, solid, and easy to get on/off. Very please with the support I received from Roadmaster as one of the bolt was missing, was sent super quickly.
Not an easy install on a Trax but it is very well made and gives a clean look. I did customize by cutting down the 6 pin bracket supports to get it flush with front of the car.
Install pretty easy. You will have to change directions of one bolt due to obstruction ( frame). Cannot torque a few of the bolts. These are the ones with wire attached.
Rock guard needed addition trimming from factory instructions.
Awesome delivery speed, and a well made base plate for my 2007 Element. Installation was a breeze (thanks to my son’s heated shop) and I had to do no cutting to make this fit. I had a Stowmaster tow bar that came with my RV and etrailer was able to steer me to the correct missing parts to make this a really affordable installation. Now to get out of this snow!
Purchased for a 1997 Subaru Impreza. Delivery was amazingly fast! I didn't have it installed until a few months later, as my travel plans had stalled. It didn't quite bolt right on, but was close, and a friend had to modify it some to make it work. I still hear a grating noise when I turn too sharp on one side, but otherwise it's fine.
The front connection plates didn't line up with the holes, so had to have those modified, as well, in order to line up and attach to the tow bar. Once the new holes were drilled, I was able to hook up and go.
It's relatively easy to connect after finding a way to do it alone.
I've towed from CO to TX and all over TX with it with no problems.
After ordering the wrong crossbar, etrailer sent the correct one for our Mini Cooper quickly. However I did have to modify most of the holes as the cross bar didn’t quite fit (but close). I had to drill the three main bolt holes to 11/16 so that the bar would go over the Mini’s 3 main bumper bolts on both sides. The two lower bolt holes (each side), needed to be drilled out 3 sizes larger to accommodate the 4 bolts that come with the kit. I had to drill out the Minis lower holes to better align with the crossbars lower holes. I would also like to note it being a pain in the knuckles to reach one of the three (each side) bolts to put the stock nuts on the bolt and then try and get them tight. (The main bolt pattern for the upper bumper is diamond shape, one up tow bolts lower. (The lower “inside” bolt on each side is the one that is hard to get to and tighten.) Sorry I didn’t get picks, I was in a rush to get the car back together. There’s an angle piece on the cross bar that blocks the hard to reach bolt, it would be helpful if that could be made more accessible to reach.
I’ve been purchasing products from ETrailer since 2005 and all the products I’ve purchased have been a great value. The products mentioned above installed perfectly and with the direct assistance from ETrailer everything fit as suggested. I will always interact with ETrailer as needs present themselves.
Overall the installation was great, however the process of drilling 3 - 1/2" holes in that little bumper that has a Rockwell Hardness of about 60, seems to be a bit over the top.The instructions are spot on, delivery was great, the quality of product was accurate. I am a happy boy!
Replaced same part that was damaged in a crash. I had used my original one for close to ten years without issue. Fast shipping from etrailer.
The Base plate kit is well made and came with all the necessary hardware.Installation is relatively straight forward. I did have to enlarge two of the holes that didn't quite line up. But overall I'd recommend it.
Installation was a bit trying. Ended up looking very clean and almost invisible.
Using the tow bar worked super easy and our motorhome hardly noticed the Mini Cooper back there.
Came quickly and is very high quality. Great directions/video from road master makes the installation step by step easy to follow.
Skill level is probably at the intermediate level depending on experience.
The #118-3 is a perfect fit on my 1995 Geo Tracker. When you pull off the removable arms you would never know they are there. The Quality is very good easy to put on all you have to do is drill 4 holes the tube on the base plate fits into the tube on the frame of the tracker and with the 2 bolts it is a solid fit. I was worried about the plate nut getting it inside of the frame but it went in easy when you put it over the frame tube and use a thin piece of metal to slide it in place. I’m very happy with it. I probably could of got it on without taking my bumper off but with only 4 bolts holding my bumper on it made it easier
Very pleased.they are very solid..
Sal, I was surprised when I was informed that the full order had shipped on Friday, thinking that the adapter wouldn't be available for another week or so. Also, to be shipped on Friday and delivery on Monday was great. Now if I can only get my motorhome out of the mud after all the rain we got over the past few days! Thank you.
David Kuc
parts were shipped out quickly, and received quickly, even with the free shipping option. Thank you!
bought and installed lots of roadmaster products on customer rv's
good product
I ordered the Roadmaster XL Base Plate Kit - 1411-2 from etrailer and got them in record time. Could not have gotten better service. Thank You ETRAILER
They fit perfect, I have towed my Gr. Cherokee around 2,000 miles with no problems. I do think they were way over priced for the amount of material it took to make them.
Bolted right up. Installation should be done with bumper on, as you can't fit the ends through the louvers without some convincing. Works great so far. Was able to use a Stowmaster 5000 with it.
Kate F.
5/14/2026
Thanks for the review and for sharing your installation experience Christian. Your tip about leaving the bumper on during install is really helpful, especially since fitting the ends through the louvers can take a little extra maneuvering. It’s also great to hear the setup works well with your Stowmaster 5000. The install looks great, and we appreciate you sharing the picture! Where did you go for the first trip?
Kate F.
5/21/2026
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Robert
5/13/2024
Great. About the third one Ive bought.