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  1. Tow Bar Base Plate
  2. Blue Ox
  3. Fixed Draw Bars
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2021 Freightliner Sprinter 4500
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Blue Ox

Blue Ox Base Plate Kit - Fixed Arms

Part Number: BX1948
In Stock
$651.32
Tow Bar Base Plate
Not Confirmed to Fit

2021 Freightliner Sprinter 4500

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etrailer Installation
We'll connect you with nearby partnered installers who know this exact setup.
Custom designed to fit your vehicle so it can be safely towed behind your RV, this base plate has low-profile reinforcements, leaving only the attachment tabs visible when you're not flat towing. Base plate bolts directly to your chassis. Great Prices for the best tow bar base plate from Blue Ox. Blue Ox Base Plate Kit - Fixed Arms part number BX1948 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (419)
  • Q & A (0)
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Blue Ox Tow Bar Base Plate - BX1948

Highlights

  • Custom Fit for Your Vehicle: Mounts to existing attachment points
  • Ready for Flat Towing: Provides strong attachment points so you can safely tow your vehicle behind your RV.
  • Blends In When Not Towing: Hidden reinforcements leave only the tabs visible for a clean, factory look.
  • Built to Last: Durable steel construction with powder coat resists rust and corrosion over time.
  • Even Pull Every Mile: Sturdy design spreads towing force evenly to protect your suspension from stress.
  • Fits Your Tow Setup: Pairs directly with Blue Ox bars and adapts for Roadmaster or Demco systems using sold-separately adapters.
Made in USA

Features to know about

Built to Handle Real Miles: Durable Steel Construction That Spreads the Load

When you’re towing long distances, you want a setup that can take the stress. This base plate’s sturdy design spreads towing forces evenly across your chassis to help protect your suspension from strain. Its durable steel construction is powder coated to resist rust and corrosion, so it stays solid mile after mile without showing wear from the road or weather.

Keeps the Front Clean: Low-Profile Design with Only Tabs Showing

If you like a clean look when not towing, this setup keeps things tidy. The reinforcements sit hidden behind the fascia, leaving only the attachment tabs visible up front. With no bulky crossbar in sight, your vehicle keeps its original appearance and stays free of shin-snagging hardware when parked or driving solo.

Straightforward Setup: Bolt-On Installation Without Welding

You don’t need a fabrication shop to get this installed. The kit bolts directly to your chassis using the included mounting hardware—no welding required. The fixed draw bars mount securely and lock in alignment for consistent performance each time you hook up. It’s a simple, reliable fit that feels solid once everything is torqued down.

Ready for Your Tow Bar: Reliable Pairing and Adapter Options

This kit’s sturdy lugs pair directly with Blue Ox tow bars for a secure connection you can trust on the highway. If you plan to use a Roadmaster tow bar, you can add adapter RM-031 or RM-031-5 (sold separately). For Demco setups, adapter DM9523041 (sold separately) makes it work seamlessly. With a distance between brackets of 24" and a bracket height of 24", it’s easy to plan your full towing setup around those specs.

Confidence That Lasts: 3-Year Warranty Coverage

Built for dependable service over time, this base plate comes backed by a 3-year warranty. It’s a setup built for travel and made to stay in service through season after season of towing without second guessing your gear.

Specs

Dimensions

  • Distance between brackets: 24"
  • Bracket height: 24"

Diagram illustrating the basic components of flat towing, including tow bar, base plates, safety cables, tow bar wiring, and supplemental braking system connecting a car to an RV.

Warranty

  • 3-Year warranty

BX1948 Blue Ox Baseplate - Standard Tabs

Installation Details BX1948 Installation instructions

This Product Fits The Following Vehicles




Ratings & Reviews

4.8

419 reviews
Review sort icon
Custom designed to fit your vehicle so it can be safely towed behind your RV, this base plate has low-profile reinforcements, leaving only the attachment tabs visible when you're not flat towing. Base plate bolts directly to your chassis.

by:

everything bolted up easy, i simply drilled hole’s into were needed and supplied my own bolts straight through for easy installation.



by:

A friend needed a tow bar on his Dakota , I was referred to etrailer.com and they carried everything I needed ! The instructions are easy to understand making installation simple . etrailer.com has all the information from deciding what is best for your needs to the end of the project !



by:

They worked great



by:

Easy enough install on my 86 samurai. Had to do some persuading but nothing major. I did need to notch the bottom of the bumper in two spots to clear the mounting brackets. Seems awfully expensive when you see what you get.



by:

I thought price was a little high, but they worked very well. Fit perfectly and looked good. Came with clear installation instructions. The nuts on steel wires made it possible to slide them deep inside the frame where the support plates bolted on without any trouble.



by:

Quality built product! And outstanding customer service by Ashley!!



by:

My blue ox base plate kit came right on schedule. I met my mechanic at the shop and with a hydraulic lift and air tools we had it installed and secured in about 30 minutes. I could have done it alone at home in about 1.5 hrs. It fits perfect and looks like it was part of original car frame.
Thx



by:

The Blue Ox BasePlate has worked out very well. We've traveled over 3,000 miles on 4 separate trips....with multiple hookups and detachments. Great system. The only constructive comment is the electric hookup for lights/turn signals was a little wonky but my mechanic worked it out with the manufacturer.



by:

Installed this on a 2014 Chevy Express 3500 15 passenger van. Install was time consuming, as holes needed to be drilled (went through 2 drill bits) and the nuts must be fished through the frame, then "caught" by the bolt. I think there were 12 of them! Instructions were clear, though, and I've safely towed without incident over 7,000 miles in the past year. Definitely rock solid! Paired up with a Blue Ox Aventa 7,500 lb tow bar.



by:

It mounted right up to my 2001 jeep. Ive only used it a couple times but worked well. no issues.



by:

I had a simple ball hitch setup for my 1999 Jeep Wrangler for towing behind our RV. Our first trip out with it, the bolts that attached the bar connectors to the front of the Jeep came loose. I was fortunate that they didn't come out completely and cause a major accident. I was able to tighten them again, and we had no additional issues on our trip. Of course, this made me extremely nervous with my 'budget' route to tow the Jeep so I began looking for a better, more reliable solution.

Blue Ox was the name that kept coming up so I purchased the BX1120. The build quality is outstanding, it's extremely solid and very durable. Installation time was about an hour and a half once I had the right tools, couldn't find my 1/2 inch socket set! I'm using the Blue Ox Alpha tow bar with this setup.
I will say that having a second set of hands to install is valuable, my son had to come help me get the drivers side bolts in while I held the steering housing in place.

All in all, I'm very pleased with the product. It went in easy and should save my nerves on our next road trip!

1999 Jeep Wrangler Sport
After market front bumper (Plenty of clearance with this specific mount)



by:

First of all, the staff at etrailer has always been there with answers with anything. Fitment, installation, usage etc. Second. The install was easy with the enclosed instructions. I did it by myself with only getting help to raise and lower the bumper. After several thousand miles of towing, still tight and still looks great



by:

I'm not giving the products the stars as much as the woman who helped me select them and turned me onto the "road-master" product line. Road-master had a "towed-car" hitch for my 2002 Mazda Protege. It was a blessing to have met her acquaintance.



by:

Very simple to install, just need to drill a few holes in the frame. Comes with everything you need except a couple basic washers (mine came with 3 lock washers and 2 standard flats for 4 bolts)…

Would be nice to have the torque specs also in the instructions but the busted bolt is on me!



by:

Base plate is well built and fit well. As I would expect from Blue Ox products. My only complaint and the reason for 4 stars would be the horrible instruction. Pictures are absolutely horrible. Not a big deal for the mechanically inclined, but not everyone fits that category.



by:

Outstanding communication. Outstanding customer service. Outstanding towbars and baseplates. Will be back.



by:

Perfect fit, well built of high quality materials. In my mind you just can't get much better than Blue Ox. The only issue is that the BX1120 doesn't have removable twist lock tabs. The fixed draw bar mounting tabs are at just the right height and position to play havoc with your shins when the draw bar is not installed. I solved that problem with a shin guard I made of 2 inch schedule 40 PVC. (see photo) Fits perfectly, guards the breakaway switch and lighting connector when not in use, and solves the shin interference problem.



by:

Once again just great service from etra iler



by:

1 year later, it’s been used for over 1500 miles and held up great. I did the install and had a weld shop tax the bolts do they wouldn’t back out.



by:

The fit was perfect



by:

Easily installed but proper alignment needs to be maintained before drilling the additional hole required for through bolts.



by:

Not a bad install the nuts on the end of the wires was a little strange and odd to use and bend….. worked out great haven’t towed it yet ….bolted in and ready. There’s not really any place on thes 06 Wrangler to put those safety cables to the frame. Alex T in sales was great.



by:

The kit is well built and comes with all the necessary hardware to install. Installation was a breeze and asthetically blends in well with the front of the truck. Great job on the design and the production!



by:

We really like our blue ox towbar mounts from etrailer. We're excited to be able to flat tow our 2001 F-250 with our ATV in the bed. Real game changer,, Thank You etrailer
A few pictures of how I attach it



by:

4 it's in solid, but the [finish] that was used killed it from being a five.

The installation took about four hours. I had a tight interference fit between the frame rails. I wish I had an 18-24" linear ram, but I didn't. So two hydraulic floor jacks, with 4 - 24" welding clamps, and two 12" C-clamps, a short 2# sledge did the trick. Nothing a little spray paint can't fix. Four bolt holes lined up nicely. Two 1/2" drilled holes from the bottom were easy leverage to set up. Two 1/2" drilled holes inside to outside, were quite the challenge to get behind the drill. All fasteners now torqued to specification with red locktite. Added the 1/2" safety cables, made an adjustment in the lower airdam. And presto, here you have it. Now time to set up diode kit, and brake away switch installation.


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See what our Experts say about this Blue Ox Tow Bar Base Plate


Info for this part was:

Employee Lindsey S
Written by:
Lindsey S
Employee Adele M
Updated by:
Adele M
Employee Wilson B
Updated by:
Wilson B
Employee Mike S
Updated by:
Mike S
Employee Michael B
Updated by:
Michael B

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