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Electric Trailer Brake Assembly - 10" - Left Hand - 3,500 lbs

Electric Trailer Brake Assembly - 10" - Left Hand - 3,500 lbs

Item # AKEBRK-35L
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Driver's-side electric trailer brake measures 10" x 2-1/4". Brake pads are made of durable friction material for improved braking and longevity. E-coated backing plate resists rust. Fits 13" to 15" wheels. 1-800-940-8924 to order etrailer accessories and parts part number AKEBRK-35L or order online at Free expert support on all etrailer products. Guaranteed Lowest Price and Fastest Shipping for Electric Trailer Brake Assembly - 10" - Left Hand - 3,500 lbs. Accessories and Parts reviews from real customers.
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etrailer Accessories and Parts - AKEBRK-35L

  • Trailer Brakes
  • Electric Drum Brakes
  • Brake Assembly
  • etrailer
  • 10 x 2-1/4 Inch Drum
  • LH
  • Manual Adjust
  • 3500 lbs

Driver's-side electric trailer brake measures 10" x 2-1/4". Brake pads are made of durable friction material for improved braking and longevity. E-coated backing plate resists rust. Fits 13" to 15" wheels.


  • Electric brakes are easier to install and offer more user control than hydraulic brakes
    • Requires only an electric brake controller (sold separately) - no actuator or hydraulic lines necessary
  • Automotive-grade friction material is molded to brake shoes
    • Pads are fully bonded - not riveted - to shoes for long life and more braking torque
    • Less chance of cracking and crumbling that can lead to mechanical lockup, thanks to tapered edge and circular grinding
  • Periodic manual adjustment required
    • Fine-tooth brake adjustment gear allows for a more precise setting
  • E-coated backing plate resists wear and corrosion
  • Adjuster plugs (included) cover access holes to keep dirt and grime out of the assembly and off of the shoes
  • Brake mounting bolts are included
    • Nuts and lock washers (BRKH10BS) sold separately
  • QAI and CSA certified


  • Application: most standard hub-and-drum assemblies, including Dexter, Lippert (LCI), and AL-KO
  • Configuration: left hand (driver's side)
  • Dimensions: 10" diameter x 2-1/4" wide
  • Mounting flange bolt pattern: 4 bolt
  • Wheel size: 13", 14", and 15"
  • Axle rating: 3,500 lbs
  • Limited 1-year warranty

Manual-Adjust Brake

With repeated use of this brake assembly, the brake shoes may move out of alignment, causing less efficient braking performance. To keep the brake shoes aligned and the brake assembly performing correctly, you should perform routine maintenance.

This brake assembly should be adjusted after installation and then as needed for the life of the brake. To adjust the brake, use a brake adjustment screw tool (sold separately) to turn the adjustment gear on the inside of the assembly. Continue to turn the gear until the drum surrounding the brake catches on the brake pads enough so that the hub can no longer be turned easily by hand. Then reverse the gear by about 10 clicks. A properly adjusted brake should drag slightly on the brake drum.

Thoroughly Tested for Safety

This brake assembly meets the requirements for certification by the Canadian Standards Association (CSA). The CSA creates standards, which when complied with ensure a safe and quality product. This brake assembly underwent extensive testing to measure stopping distances when braking. This brake has also been tested by QAI for braking performance in a complete automotive setup and under real-world conditions to provide the most realistic scenario for the everyday driver.

Automotive-Grade Friction Material

Each shoe on this brake assembly is lined with automotive-grade friction material for improved stopping performance and longevity. The friction material is fully bonded onto the surface of the brake shoe. This lining is custom-molded for a perfect fit. The edges are tapered to ensure long-lasting performance. This taper, along with the circular grinding that the lining undergoes, helps to prevent cracking and crumbling. This durability helps to prevent mechanical lockup, which can occur when brake shoes are excessively worn or broken.

The friction material is also SAE-N certified, which means that it is an environmentally safe product that complies with California and Washington regulations regarding the composition of brake pads. As a result, this material not only provides high-performance braking that can endure the test of time, but it is also environmentally friendly and safe for use throughout the United States and Canada.

12-793 AxleTek 10" x 2 1/4" LH Electric Brake Assembly - Drivers Side - 3.5K Axles

Compare to Dexter 23-26

Customer Reviews

Electric Trailer Brake Assembly - 10" - Left Hand - 3,500 lbs - AKEBRK-35L

Average Customer Rating:  4.8 out of 5 stars   (993 Customer Reviews)

Driver's-side electric trailer brake measures 10" x 2-1/4". Brake pads are made of durable friction material for improved braking and longevity. E-coated backing plate resists rust. Fits 13" to 15" wheels.


Awesome. Converted the hydraulic brakes to electric on a vintage trailer. These made any apprehension I had go away. They are doing perfectly to this day

The electric brakes conversation package is still working perfectly after many miles. Great product. ??
John - 05/29/2020


This is the second trailer that I’ve installed these 3.5k brakes on. These are a direct bolt on for Dexter spring and torsion axles. The brakes assemblies are manufactured in China, but they’re built very well, easy to install and adjust..
They work perfectly!
An exceptional value for the price.
And as always etrailer shipped the same day that I ordered and packaged everything very well.
Great customer service !!


Great Product. Fast delivery and arrived just as I ordered. I will be using etrailer again


The product seems good but the shipping was terrible. I had to reassemble all four units because of the lack of packaging. Luckily I didn’t loose any of the parts.

Thank you for bringing this to our attention. I will let our customer service and shipping department know.
-- Etrailer Expert Jenny N - 06/16/2022


thank u etrailer for sending me 2 extra nuts & 2 extra mounting studs. the best way to remove a bad stud is to drill it out. As u know im the one who had a mounting nut go on & turn both directions after it was put on. i could not back the nut off to replace the stud. i took a drill bit a little smaller than the stud & drilled the head of the mounting stud off. i drilled pased the 4 hole plate, knocked the nut off the back side, & taped the remainder of the stud out of the hole. No damage was done to the plate. Taking a grinder to it would have been a bad deal. The only thing i wished was in my hardware would have been a simple drawing of which the right & left sides of the trailer were. i had to go back & spend most of the day & swap both sides of the trailer after i done a complete job of putting on the brake assemblies. I did averything i thought to do to get it right the first time. I got it wrong! A simple way would be just to remind everyone that the longer brake pad goes to the rear of the trailer. I now have everything back together & everything works fine. What a nightmare, but now im in good shape. I would like to have better tires thou. Stronger & taller tires. I have looked at the contender st225/75r15 with the white rims. Soon i hope to chat with you on these tires. Again thanks for sending me the extra hardware. I will most diffinitly pass your website out to ones that i know. randy , fully custom built rv out of a v noise 16 foot cargo trailer, spent one year to build....


Shipping was quick, product worked great. Plus easy installation. What's not to like. (Jack of a couple trades)


I was very satisfied with my entire experience with etrailer. The people were very courteous and knowledgeable. I received my item sooner than expected and they were as advertised. All four electric brakes worked the first try. Have ordered four stabilizer jacks since that are to arrive today.


Excellent quality and fast shipping. The installation videos make the process easy. Highly recommend this company.


Got my breaks in for my camper, easy online ordering and easy tracking the package online, I would suggest adding new hardware to all new parts, I will start ordering all my parts here.


Put them on about a year ago haven’t had any problems and they stop great! Best price and great product!


Product seems good quality however when I received them two of the brakes were in several pieces. It looked like they had been dropped. After several frustrating hours I had the magnets, pads, adjusters and springs back together. Some shrink wrap or zip ties would have helped keep everything together.


The brake assembly came to me in 3 days as promised and it's exactly what I needed to get my trailer back on the road fast fast fast and the price was right !
Thanks !


This complete brake assembly was literally bolt-on, plug-in and done! Way easier than replacing just the brake shoes. Price is great too, not much more than buying just the brake shoes. Replacing the electric-magnet makes good sense too. I will absolutely buy these again!!!


The product was delivered fast but came with no instructions as to which wire goes where. both wires are green and under the trailer they are black and white so the brakes don't work, I'm guessing the wires are connected wrong.

The green wires that exit the magnet on the brake assembly do not have polarity, so it doesnt matter which wire connects to the brake circuit and which grounds to the trailer. Either way, it should work. If the assembly is not working, Id recommend using a circuit tester like part # 40376
Circuit Tester Kit
to test the brake circuit to make sure the power is reaching the magnet.
-- Etrailer Expert Mike L - 10/08/2018


Good products at great prices. Got a used trailer and rebuilt it for $1800 which includes the cost of the trailer.


I ordered these short notice and received them complete to my house in two days! They are working perfectly and fit exactly as they should. Highly recommend them and the price can't be beat , I replaced all four on my camper for the price of one at the dealer!


Very easy job at best price.


Great price,,fast shipping,,perfect fit,,couldn't ask for a better day. Thanks "ETRAILER"


Everything is working great after a year! Brakes doing their job, and I've had the trailer loaded to max capacity. With the right brake controller, these do just great.


arrived very quickly and the install couldn't had been easier. A perfect fit to my axle, is A++++


Replaced drums and brakes on both axles--3.5 K Dexter EZ lubes. These are on a travel trailer, so the EZ lube axle feature is not as relevant as it would be for axles subject to submersion. When the originals were pulled, I discovered that grease had by-passed one of the seals. The escaping grease did not get to the shoes and drum friction surfaces; but there was plenty of stray grease in the brake mechanism. I hand pack the bearings every couple of years and only put one pump of grease in at the zerks before the alternate pulling season.


Best price I could find and I was completely thrilled it came pre-assembled.


I converted from hydraulic surge to electric. Brakes are great. I have drop axles. I had a
To grind a little away from the axle flange so they sit back correctly. It was easy enough to to once I realized why they were not seating correctly

All the parts are working great!!! I did a conversion from hydraulic to electric on my boat trailer. The trailer tows much easier and I no longer worry about being able to stop. I had a critical stop just yesterday and the trailer brakes actually locked up in my mind, a good thing
Dave S - 07/17/2018


Great replacement parts. Easy to install. After a year of use, the brakes continue to work perfectly.


Brakes are great, etrailer team is even better! Always there when you need help and customer service is outstanding!
Great job!

Show More Reviews

Ask the Experts about this etrailer Accessories and Parts

  • Trailer Brake Troubleshooting on a 1999 Forest River 5th Wheel Trailer
    I would start out by checking the wiring in the trailer connector on the 5th Wheel trailer, since you have eliminated the truck as the problem. First, make sure that the ground wire from the trailer connector is attached to the trailer frame and no corrosion is impeding the ground connection. Next, make sure that the trailer brake power wire is connected the the correct circuit that is powered when you activate the manual slide on your in cab brake controller. Once you have power on...
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  • What Bolt Pattern Mounting Flange is Electric Trailer Brake Assembly # AKEBRK-35L Designed to Fit
    The bolt pattern of the Electric Trailer Brake Assembly # AKEBRK-35L that you referenced is 4 on 4 inch. If you check out the picture I attached you will see all the dimensions of the flange. You might try measuring yours again to be certain as it should measure 2-7/8 inches and not 2-3/4 inches.
    view full answer...
    Image 1 for
  • Do etrailer Electric Trailer Brakes have Specific Power and Ground Wires
    The brake magnets on etrailer electric brakes such as # AKEBRK-35L are not polarity sensitive which means either wire can be power and either can be ground. The trailer brakes and brake lights should be on separate circuits. It sounds like that is how you have it but there must be a short somewhere because the brake lights and brakes are on separate circuits. The draw of the brake magnets, if the source of the short, is much higher than what the LED lights are rated for so that could explain...
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  • Which Axle of Tandem Axle Trailer Should have Brakes Installed if Only One
    If you plan to only run one brake axle on a tandem axle trailer you want to put the brake axle on the one that will carry the most weight. In most cases this is the front axle. This works out best because inertia puts more weight on the front axle when braking typically. But if the trailer is a boat trailer with an outboard motor for example, you then would want the brake axle to be the rear axle.
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  • Bolt Pattern that Etrailer Trailer Brake Assembly AKEBRK-35L Attaches To
    I attached a picture that has the dimensions of a 4-bolt mounting flange that the part # AKEBRK-35L would attach to.
    view full answer...
    Image 1 for
  • What Would Happen if Trailer Brake Assemblies Were Installed On Wrong Side of Trailer
    Damage wouldn't necessarily occur but the braking power would be drastically diminished. You would need get the correct side assembly on your trailer axle.
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  • Do Trailer Brake Magnets Have a Duty Cycle
    There really is no set 'duty cycle' per se. I've seen magnets that had the wires feeding the magnet completely melt down after receiving that sort of amperage for an extended period of time. In other instances, not a thing happened. Since the magnet's resistance checked out okay, I'd do a thorough examination of the wires feeding all the magnets as well as the break away switch. If you see any scorched wires at either location, you'll want to replace that component. If the wires and switch...
    view full answer...
  • Are Electric Trailer Brakes Specifically for Left and Right Hand Side
    Electric trailer brakes like # AKEBRK-35L are specifically left or right side. This is because the two brake pads are not identical; one is slightly longer than the other and this longer one needs to face forward. Please see the linked photo.
    view full answer...
    Image 1 for
  • Troubleshooting Check Trailer Brake Wiring On Truck Dash
    It's going to be the brake output circuit of the 7-way you have on your truck. This is the pin in the 5:00 position. Most of the time when there's an issue on this circuit it's due to corrosion on the pins so you might try cleaning this first. If that does not fix it look further on the trailer's wiring of this circuit to see if you can find any obvious signs of shorts and fix as needed.
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  • Guide for Adding Brakes to a Pop Up Camper Axle
    Adding brakes to a trailer's axle is normally pretty simple but you first want to make sure that your axles have brake flanges on them as that's the biggest factor in whether it will be a simple process or more involved. I attached a picture of what the flanges look like. I also attached a help article that will walk you through the process of adding brakes to a trailer. You'll want to figure out what spindle you have first so we can pick you out the correct hub/drum and then pick the...
    view full answer...
    Image 1 for
  • Both Left Side Brakes Work on Trailer but No Right Side Brakes
    The issue you described is more than likely attributed to a wiring issue. The issue could be either a short in the brake output wire or the ground. The brake output wire at some point will break off from the main lead and branch off to each assembly. You will need to trace the brake output wire back from the trailer connector until the point it branches into the right side braking assemblies. If there is any wire loom or jacket encasing the wires you will need to remove it so you can get...
    view full answer...
  • Are Wires of Trailer Brake Assembly Magnets Polarity Sensitive
    The magnet wires of a trailer's brake assemblies are not polarity sensitive. What that means is that either of the wires can be used as the power or the ground. So the brake output circuit of your 7-way can run to either wire as long as the other is grounded.
    view full answer...
  • What Happens if Trailer Brake Assemblies are Installed Backwards
    If trailer brakes are installed on the wrong side of the axle they will have only a fraction of the stopping power they normally would have. I would recommend reversing your setup so that your trailer has more stopping power. I can't think of a reason the installer would have put them on backwards aside from a mistake.
    view full answer...
  • B10E-01 Trailer Brake Assembly Replacement Solution
    Part number B10E-01 corresponds to Electric Trailer Brake Assembly # AKEBRK-35L. This is most cost effective solution.
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  • Parts Needed to Add Brakes to 3500-lb Axle on E-Z Loader Trailer
    We do offer both disc brake kits and individual components. The most popular configurations are used for the kits but if you need to order items individually we can help you with that too. Adding brakes to a trailer that does not already have them requires a number of components that are detailed in the linked article. This article is a good place to start. I also included an article about adding hydraulic drum brakes to a trailer, since this is a much lower cost option. Electric drum brakes...
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  • How to Pick Out Brake Assemblies for a 2008 Starcraft 21SB
    If you measure the diameter of the axles and they are 2-3/8 inches then yes, they are 3,500 lb axles. Or you can measure the diameter of the current assemblies and count the amount of bolts that hold them to the axle spindle. If the assembly is 10 inches (see picture for where to measure) in diameter and has a 4 bolt pattern the part # AKEBRK-35R would work great for the right hand side and then for the left hand side you would need the part # AKEBRK-35L.
    view full answer...
    Image 1 for
  • Are Trailer Brake Magnets Polarity Sensitive
    Trailer electric brake magnets are non-polarized. When installing an electric brake assembly, like the Electric Trailer Brake Assembly, Left Hand # AKEBRK-35L, either wire can be used for the brake signal and the ground wire, it will not matter which wire is used for which. I've attached a review video of this brake assembly. At the end of the review video, it is mentioned that either of the green wires can be used for either function. For the corresponding Right Hand Electric Trailer...
    view full answer...
  • Trailer Brake Assemblies to Replace Axletek B10E-02
    I was able to find info on the part number you listed and you have 10 inch by 2-1/4 inch brake assemblies that are for a 3,500 lb axle. The part # AKEBRK-35R is the correct right hand side assembly for a replacement. For the left hand side you would want the part # AKEBRK-35L. I attached an install video for these for you to check out as well.
    view full answer...
  • Bolt Hole Spacing and Center Hole Diameter for etrailer 10x2-1/4 Electric Trailer Brakes
    The mounting holes for brake assembly # AKEBRK-35L are indeed 4 inches diagonally from the center of one to the center of the other. Side to side or top to bottom the holes are spaced approximately 2-7/8 inches apart on center. The pilot hole is approximately 3 inches. You are correct, those are fairly standard. The matching right assembly is # AKEBRK-35R.
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  • Can Boat Trailer Use Electric Brake Assemblies
    For a very long time it was recommended to not use electric brake assemblies on boat trailers, but recently boat trailer manufacturers have been equipping their trailer with electric brakes. Plus we see people do it all the time without issue so we know it's okay now to use electric brakes on boat trailers. We still recommend disconnecting the brakes before backing the trailer into the water. If you needed a 10 inch brake assembly for a 3,500 lb axle the part # AKEBRK-35R would work well...
    view full answer...
  • Wheel Sizes Compatible with AxleTek 3500-lb Trailer Brakes AKEBRK-35L & AKEBRK-35R
    The 10-inch right-hand brake assembly # AKEBRK-35R and the matching left-hand brake # AKEBRK-35L do work with wheel diameters of 13-, 14- and 15-inches. These brakes use a 4-bolt mounting pattern and are rated for a 3500-lb axle.
    view full answer...
  • Bolt Pattern and Shipping Weight of Trailer Brake Assembly for 3,500 Pound Axles
    The bolt hole pattern for the brake assembly # AKEBRK-35L is 2-7/8 by 2-7/8 inches. I've linked a diagram of the flange the brake will install on with the same pattern. The shipping weight is 9 pounds. This is the left hand brake, if you also need the right hand the part number is # AKEBRK-35R
    view full answer...
    Image 1 for
  • How Difficult is Replacing Pop Up Camper Brake Assemblies
    Brake replacement really isn't bad. It's really just a matter of pulling off the wheels and hubs and then unbolting the assemblies and replacing them with new ones. If you check out the attached video link down below you can see the install of a 10 inch brake assembly part # AKEBRK-35R. This is most likely what your trailer needs since 3,500 lb axles like what this kit fits are very popular. The matching left hand side you would need is part # AKEBRK-35L.
    view full answer...
  • Where are the Ground Wires Located on Electric Trailer Brakes
    Electric brakes have 2 wires located at the back. One is for power and the other is for ground (it doesn't matter which is used for which function). The ground wires should be connected to the trailer frame. The only other place that would carry a ground is the main ground wire that is connected to the pin in the 5 o'clock position on the 7-Way of your trailer (see attached picture). I have attached a video of the trailer brake assemblies # AKEBRK-35L and # AKEBRK-35R being installed...
    view full answer...
    Image 1 for Image 2 for

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