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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.
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.
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.
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.

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.
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.

Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
Very fast shipping, great service. Replacement brake assy and seals
Good price and everything fit perfect
They look like they’re good brakes, but the magnets are absolutely garbage they barely work Super weak magnets
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
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
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.
Madison professionally helped me with my order. Quality product, quality personnel.

Richard
5/19/2019
Excellent, no problems at all.
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
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
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.
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.
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.
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.
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.
perfect fit!
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.
An awesome experience. Customer service is great, and the parts were exactly as advertised. Delivery was on time.

Brooke M.
5/23/2025
Glad to hear that, Gini. Are you fixing up the trailer for an upcoming trip? :)
fast shipping, great service
Excellent customer service and super fast shipping.
I received my order quickly and correctly. Awesome company to purchase trailer parts from. Great quality.
Same deal, best prices and service anywhere so keep it up
Fantastic product!
Happy customer. Items arrived on time. Great price. Replaced brakes on our trailer.
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
11/14/2025
Doing great, no concerns
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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.