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  1. Trailer Brakes
  2. etrailer
  3. Electric Drum Brakes
  4. 10000 lbs Axle
  5. 12-1/4 x 3-3/8 Inch Drum
  6. 16 Inch Wheel
  7. 16-1/2 Inch Wheel
  8. 17 Inch Wheel
  9. 17-1/2 Inch Wheel
etrailer Electric Trailer Brakes w/ Dust Shields - Self-Adjusting - 12-1/4" - Left/Right - 10K
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etrailer Electric Trailer Brakes w/ Dust Shields - Self-Adjusting - 12-1/4" - Left/Right - 10K

Part Number: AKEBRK-10
In Stock
$302.59
Trailer Brakes
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etrailer Installation
We'll connect you with nearby partnered installers who know this exact setup.
The automotive-grade pads on these automatically adjusting brakes offer lasting effectiveness. 12-1/4" x 3-3/8" Assemblies have rust-resistant, e-coated backing plates and protective dust shields. Fits 15" or larger wheels. Great Prices for the best trailer brakes from etrailer. etrailer Electric Trailer Brakes w/ Dust Shields - Self-Adjusting - 12-1/4" - Left/Right - 10K part number AKEBRK-10 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (375)
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etrailer by AxleTek Trailer Brakes - AKEBRK-10

Highlights

  • Stays in Adjustment Automatically: Self-adjusting design keeps braking power consistent—no manual fine-tuning needed.
  • Smooth, Reliable Stops: Automotive-grade bonded pads deliver even contact and strong braking torque.
  • Built to Resist Corrosion: E-coated backing plates and dust shields protect against rust and road debris.
  • Ready for Heavy Loads: Rated for 10,000-lb axles with 12-1/4" x 3-3/8" drums and 7-bolt flanges.
  • Installs as a Matched Pair: Includes left- and right-hand assemblies—hardware sold separately.
  • Certified for Road Safety: QAI, CSA, and SAE-N certifications verify quality and performance.

Features to know about

Upgrade Old or Weak Brakes: 12-1/4" Self-Adjusting Electric Assemblies for 10K Axles

If your old drums are dragging or worn out, these etrailer electric trailer brakes make a big improvement. Each 12-1/4" x 3-3/8" assembly comes ready to bolt on, with left- and right-hand sides included for one axle. They’re rated for 10,000-lb axles and fit standard hub-and-drum setups from brands like Dexter and Lippert. With automotive-grade pads fully bonded to the shoes, you get smooth, consistent braking and solid torque every time you stop.

Stay in Tune Automatically: Self-Adjusting Design Keeps Peak Performance

Manual adjustments are a thing of the past with these brakes. A built-in tension cable automatically maintains proper pad alignment as the friction material wears down, so braking power stays strong and even over time. That means no more crawling under the trailer to tweak adjusters—just reliable stopping every trip.

Built for Everyday Use: E-Coated Backing Plates and Protective Dust Shields

Road grime and rust can shorten brake life fast. These assemblies use e-coated backing plates that fend off corrosion, while dust shields block dirt and debris from reaching critical parts. The result is dependable performance season after season, even in rough or wet conditions.

Automotive-Grade Pads for Smooth, Quiet Stops

The friction material on these pads meets SAE-N certification standards—the same level used in automotive applications. The pads are tapered to reduce chatter and lockup, which helps prevent uneven wear and broken edges. Bonded construction eliminates rivet drag noise and gives more surface contact for better stopping power.

Close-up photo of an etrailer 12-1/4 inch electric trailer drum brake showing tapered brake pad edges and e-coated backing plate for durability.

Quality You Can Trust: Certified and Ready to Install

Each assembly meets QAI, CSA, and SAE-N standards for safety and performance. They come complete with adjuster plugs and magnets preinstalled—just add the mounting bolts and hardware kit (sold separately) to finish the job. With a simple “bolt on and wire up” design, these brakes deliver reliable control without hydraulic lines or actuators.

Specs

Application

  • Application: most standard hub-and-drum assemblies, including etrailer, Dexter, and Lippert (LCI)

Dimensions

  • Dimensions: 12-1/4" diameter x 3-3/8" wide

Mounting

  • Mounting flange bolt pattern: 7 bolt

Wheel Compatibility

  • Wheel size: 15" or larger

Axle Capacity

  • Axle rating: 10,000 lbs

Note

The brakes will be very hot after doing this, so after every 10 stops you’ll want to wait about 10 minutes to let the brakes cool off before continuing. If you don’t, you might cook and crack the pad material.

Close-up view of a self-adjusting trailer brake assembly with a red callout highlighting the tension cable and pulley that automatically adjust brake pad alignment.

B1210E-11 etrailer by AxleTek Electric Brake Assembly - LH - Driver Side - 12-1/4" x 3-3/8" - Self-Adjusting - 10,000 lbs - Dust Shield

B1210E-12 etrailer by AxleTek Electric Brake Assembly - RH - Passenger Side - 12-1/4" x 3-3/8" - Self-Adjusting - 10,000 lbs - Dust Shield





Customer Satisfaction Score:

Ratings & Reviews

4.6

375 reviews
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The automotive-grade pads on these automatically adjusting brakes offer lasting effectiveness. 12-1/4" x 3-3/8" Assemblies have rust-resistant, e-coated backing plates and protective dust shields. Fits 15" or larger wheels.

by:

Very fast shipping, great service. Replacement brake assy and seals



by:

Good price and everything fit perfect



by:

They look like they’re good brakes, but the magnets are absolutely garbage they barely work Super weak magnets



by:

Product is fine and a fair price but packaging sucks. Box was big enough for 15 brake assy but I only ordered 4. They were beat up and thrown around inside the huge box. Don't you have a bow that fits the item



by:

etrailer.com is the best all of my brakes and they came quicker than I expected they install and matched up perfectly replace my old brakes in no time the product is just as it says I will definitely be using them in the future for all my trailer brake work and parts thank you etrailer.com restart



by:

Brake assmblies are the way to go when replacing trailer brakes. Definitely the most economical way to 'do it right'. So easy to install and everything is new.



by:

Madison professionally helped me with my order. Quality product, quality personnel.

Richard profile picture

Richard

5/9/2019

Thanks for checking with me George. No problems at all. Just today I suggested your company to a thread discussion on a tractor website I frequent. Good product. Good service.

Richard profile picture

Richard

5/19/2019

Excellent, no problems at all.



by:

Brakes worked just like factory and loved having the option to order new hardware for easy install and not having to use old rusted bolts and nuts! Will definitely use this place for all future trailer replacement parts



by:

Good fit , easy install.



by:

I be-leave that I have been a customer for about ten years and the service and the attention that I have receive is always professional. etrailer keep a history of my purchase's so when I order repeat items like brakes for my Big Tex trailer they know the parts that I need, I just gave them my name and phone number and within minutes the parts are on the way directly to the trailer repair shop. Great Service
Thanks



by:

The only issue I have is with the packing of the order. The brake assemblies were not packaged very well at all. They were loose in one big box with a little bit of paper inside. They had bounced around enough that one of the magnets had come off the bracket. Luckily the little clip that secures the magnet was still in the box and I could put it back on.



by:

Sheila was the best! She knows her stuff and got me all the right part numbers and items for a 10,000# double axle brake rebuild. Brakes, bearings, races, seals etc. Shipping was quick and the couple B/O items shipped a few days later as she indicated. Now all I have to do it is put it all back together.



by:

The backing plates came in a big box with no packing. Therefore they were beaten up and the adjusters and springs were knocked off. Also I only received 2 of the 4 drums that were ordered.

Jenny N. profile picture

Jenny N.

7/24/2024

This order took a beating! I will have this taken care of for you. I will be in contact with you about replacements.



by:

E-trailer makes it very easy to order your brakes and trailer parts they have you in the computer you can go for a couple years and not buy anything and they can tell you with seconds what you bought last, makes it very easy would recommend them to anyone. As for quality of the brakes you get about a year on them I run 5 days a week $85,000 miles a year. If you don't run them as hard as I do with the weight I carry they could possibly last two or three years even more. Self adjusting works great, put them on you don't have to mess with them.



by:

perfect fit!



by:

The product was fine but the way they packaged it for shipping was terrible. It came pretty beat up and I had to straighten out the back plates on a couple of them.



by:

Works great perfect fit. Fast shipping.



by:

An awesome experience. Customer service is great, and the parts were exactly as advertised. Delivery was on time.

Brooke M. profile picture
Etrailer Expert

Brooke M.

5/23/2025

Glad to hear that, Gini. Are you fixing up the trailer for an upcoming trip? :)



by:

fast shipping, great service



by:

Excellent customer service and super fast shipping.



by:

I received my order quickly and correctly. Awesome company to purchase trailer parts from. Great quality.



by:

Same deal, best prices and service anywhere so keep it up



by:

Fantastic product!



by:

Happy customer. Items arrived on time. Great price. Replaced brakes on our trailer.



by:

Fit perfectly, now we will see how the actual brake pads hold up or hold on, either way that you care to look at it. Good price overall, but, something usually gets short changed like maybe the quality of the brake shoes? I will let you know after we do a few stops with 18k on deck.

Ray profile picture

Ray

11/14/2025

Doing great, no concerns


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See what our Experts say about this etrailer Trailer Brakes

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    Hey Johnny, thanks for reaching out. I am happy to look this up for you, but I will need the model number and serial number from your axle in order to get you accurate bearing/ seal info. Drop that info in the comments below and I am happy to send that over to my contact at Dexter. The brakes are generally the 12-1/4"x3-3/8" shoes with a 7-bolt brake flange like part # AKEBRK-10. Please inspect your brakes and make sure this matches up.
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