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Electric Trailer Brake Assembly - Self-Adjusting - 12" - Right Hand - 5,200 lbs to 7,000 lbs

Electric Trailer Brake Assembly - Self-Adjusting - 12" - Right Hand - 5,200 lbs to 7,000 lbs

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etrailer Trailer Brakes - AKEBRK-7R-SA
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Self-adjusting passenger-side electric brake is 12" x 2". Brake pads are made of durable friction material for improved braking and longevity. E-coated backing plate resists rust. Fits 14-1/2", 15", 16", 16-1/2" wheels. 1-800-940-8924 to order etrailer accessories and parts part number AKEBRK-7R-SA or order online at Free expert support on all etrailer products. Guaranteed Lowest Price and Fastest Shipping for Electric Trailer Brake Assembly - Self-Adjusting - 12" - Right Hand - 5,200 lbs to 7,000 lbs. Accessories and Parts reviews from real customers.
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etrailer Accessories and Parts - AKEBRK-7R-SA

  • Trailer Brakes
  • Electric Drum Brakes
  • Brake Assembly
  • 12 x 2 Inch Drum
  • etrailer
  • RH
  • Self Adjust
  • 5200 - 7000 lbs

Self-adjusting passenger-side electric brake is 12" x 2". Brake pads are made of durable friction material for improved braking and longevity. E-coated backing plate resists rust. Fits 14-1/2", 15", 16", 16-1/2" 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
  • Self-adjusting brake does not require periodic manual adjustment like standard brakes
    • 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
  • Mounting bolts and hardware (BRKH12S) sold separately
  • QAI and CSA certified


  • Application: most standard hub-and-drum assemblies, including Dexter, Lippert (LCI), and AL-KO
  • Configuration: right hand (passenger's side)
  • Dimensions: 12" diameter x 2" wide
  • Mounting flange bolt pattern: 5 bolt
  • Wheel size: 14-1/2", 15", 16", and 16-1/2"
  • Axle rating: 5,200 lbs, 6,000 lbs, and 7,000 lbs
  • Limited 1-year warranty

Self-Adjusting Brake Doesn't Require Routine Adjustment

Standard electric brake assemblies require manual adjustment of the brake shoes over time to provide longer-lasting and more efficient braking performance. With self-adjusting brakes, the brake shoes are always properly aligned, so there's no need to manually adjust the brakes after the initial adjustment. As a result, you get optimum performance without having to take the time to continually perform this type of maintenance.

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.

12-804 AxleTek 12" x 2" RH Self-Adjusting Electric Brake Assembly - Passengers Side - 5.2K, 6.0K, 7.0K Axles

Compare to Dexter 7K Brake Assembly 23-465 and Dexter 6K Brake Assembly 23-459

Customer Reviews

Electric Trailer Brake Assembly - Self-Adjusting - 12" - Right Hand - 5,200 lbs to 7,000 lbs - AKEBRK-7R-SA

Average Customer Rating:  4.8 out of 5 stars   (1257 Customer Reviews)

Self-adjusting passenger-side electric brake is 12" x 2". Brake pads are made of durable friction material for improved braking and longevity. E-coated backing plate resists rust. Fits 14-1/2", 15", 16", 16-1/2" wheels.


I purchased the brake assemblies last spring but did not get around to installing on our 5th wheel trailer this past fall. Packaging was sufficient & all parts were there & in place on the backing plates.The install went well, brakes are working good.I looked up online a brake in procedure for the shoe assemblies & followed it which helped out after the install.Overall I'm pleased with the price of the product,the service from etrailer aswell.

Brakes are working fine,I like dealing with etrailer.
Greg C - 03/09/2021


To team e-trailer,
So far,so good. The
complete units were easy to install, although some of the brake assembly units were out of place and had to be reset from shipping and ruff handling. Here are some pictures of the 44 ft pace rig. We have already recommend you to many of our peers. We travel to about 20 events per year and in all kind of traffic conditions, we will let you know how they slow down the unit.
Thanks Al and Matt
Team Hotblade jet dragster


1 year in and no issues. They work as e xpected


The brake assemblies and drum/Hubs were a perfect fit thanks to etrailer customer service taking the time on the phone to make sure I measured and ordered the correct parts. I made two mistakes during installation. Put a left brake assy on right side and had to take everything off again. Although they were packed tight, because of rough shipping one brake shoes self adjustment cable (the last one I installed) was disconnected and had to be re-connected, and since I did not inspect all the parts before beginning (second mistake) I had to look on etrailer's web site to see how it was assembled. It took time out of the job and grease on my laptop. If you don't make mistakes, it is EASY. Thanks etrailer.


Ordered 2L and 2R replacement brake sets along with but/washer/bolt replacements. Received 1L & 1R and all nut/washer/bolts-20. Enough to do all 4 replacement brakes. Called and found out that only 1 of each wash typed in. I did get free shipping and they did correct the order, again with free shipping.
The first set had been bounced around because the shoes werebout of alignment. I had watched a video to see how they went on, so i knew what to do to fix the problem. My ego did not allow me to call and complain. I figured that if you can replace the brakes, you should know how the should look and howbto make them fit. So I suggest that they need to improve the packaging. The next guy may not be able to figure out what to do.... Nor should he.
I have the first set on and this weekend the second set will be fitted. Plan a head on the project. Do 1 at a time and photo how you remove so you can get them back on easier.
This is a messy job. Use a paint tarp to keep grease off your driveway. Have several cans of brake cleaner - really cuts thenold grease.
As long as you have the hubs off, re pack your bearings. I was not prepared. I will have to do a better repacking before rolling out next spring. Don't forget to get bearing seals because you WILL destroy the old ones getting them off. Happy camping!


Easy to install. Quick delivery. I have not tried it out yet but certain all will be good. Will check out etrailer in the future for related products.


Replacing the brakes on a 50 year old FAN camper. After being assured that it had 10 inch brakes by another company"s "expert" because it has a 3500# axle, I finally received the correct 12 inch brakes from eTrailer. They arrived very quickly, and packaged well. The installation went almost as easy as the very helpful online video showed. Only difference was I had to slightly tighten the brakes to slide the hub over them, even though they are self-adjusting once in service. I have never owned or worked on a trailer before, and the installation was relatively easy. Thank you to George J for the followup email within 24 hours of delivery.


I don't usually do product reviews but wanted to post this one. This was my first purchase from etrailer. I purchased all four brake assemblies for our 5th wheel which I felt was the easiest and best way to go and had my drums machined. It was a very easy transaction, the parts came quickly and fit as they should. Very pleased with the product although I have not put the trailer on the road yet.
BUT- The packaging was very poor. The assemblies were in a carton twice as big as it needed to be without adequate packing and the items rattled around to the point that two shoes were knocked out of place on the backing plates. I was able to correct it and no damage done, this time. Please improve your packaging.
I would definitely buy from etrailer again.

all good, over 6000 mi and no problems. thanks
Dennis K - 02/22/2018


Junk. Over tightens the brake. I had 3. One keep over heating or locking up the brake. One wore out the shoes in about two weeks and damaged the drum.. One had the return spring brake in the first week. Then the adjuster fell apart and rolled around the drum..


Product arrived very timely - 3 days from order, that was fantastic. Got my brakes replaced and am now ready for a road trip.


The brakes on my 2002 Komfort 24-TS trailer were completely shot. I needed to replace the drums (cheaper than having them turned). I also needed to replace the electric brake assemblies and to upgrade them from manual to automatic adjusting. I called a couple of times to make sure I was ordering the rights parts and the phone reps were very helpful and courteous. The parts arrived on time and in good shape. I had everything I needed to complete the job. It took me all day to do all 4 wheels but I saved myself a whopping $1,000 over having the shop do the job.

Dave T - 10/02/2017


The stopping power plant on my tandem-axle excavator trailer


Amy J.
Really knows what she is selling.
Great job Amy


These brake assemblies are cost-effective and work great, and they're easy to install. I replaced all four on my old car trailer and I'm very happy with them. I did an [online] video of my installation. Packing for shipment seemed a little bit marginal, but obviously sufficient as they made the trip undamaged. Note that this purchase was made in June of 2016 (it's now February 2021) so the packing protocol may be different. I'd buy again in a minute.


Had two different style tired old units that I rewired only to have brittle old wires break in a different place each time I fixed it. Replaced all four new brakes and now have a trailer that stops, job made easy by getting the correct parts.


Ordered 2 of these to replace the broken/grease soaked brakes on the right side of my 2018 Alpine 5th wheel RV. Had to make some minor adjustments to these so all of the parts on them lined up correctly, after that they were a perfect fit. I don't believe you could ask for an easier brake repair.


I ordered 4 self adjusting brake sets . One was damaged with a chunck out of the pad . I called etrailer and was sent another complaint brake .


I neglected to order these when I ordered my parts last year. Finally got around to doing the brakes on my gooseneck and two old ones were junk after disassembly. So I recommend ordering these. They are cheap enough and if you have them and don't need them your not out much. I now have some extras in my trailer parts box .

Martha rocks and was very helpful and friendly. So far I am impressed by But do your homework, it is up to you to order what you need and order the correct parts. If you can handle this responsibility, you will have a much better experience. All the parts I ordered last year and this year came very fast and were the correct parts. I suggest you look over the "new completed" brake sets with backing plate to make sure they are assembled correctly. A spring put in backwards may cause adjusting problems later. One of my self adjusting brakes is not adjusting and I think I may have to pull it off and examine why? I should of done this on that last brake as I did on the others. Any maybe it will come around with some more use? Seriously at this time I am very happy with my shopping here. Fast shipping and friendly staff, but again do your homework and you can avoid a lot of problems with wrong parts or delays because of this. Regards, John.


Arrived in a timely manner. Definitely high quality product, one backing plate had brake shoes jostled a little out of place. I carry brake tools so no issue. Parts fit exactly, after packing bearings did a 60 mile road test where braking was noticeable but quite weak. After about 100 miles of gentle mountain driving brake function improved to be better than it had ever been, so factor this break-in to your usage of your fifth wheel/trailer.


I was very impressed with this brake assembly, I purchased (2) two for each side of my 5th wheel right and left sides. I have usually purchaced Dexter brand assembly's, Dexters are a lot more expensive. The more I researched these brake assembly's the more I was impressed, in my opinion these are actually a little better brake pads. When I get ready to buy some more for my gooseneck trailers I will definitely by these again for them. Thanks etrailer.
Sorry, I didn't take any pictures, I was leaving on trip the next day that I received them.


Bought this system last year in March of 2016, as well as new wheels and hubs, and by Jan of 2017, they noticed when we had it at the factory getting some repairs done, the brakes were already completely gone. We only did 13,000 miles last year after the new system was installed. Had to have all new brakes and rotors put on at the factory, just to be able to get it home. So disappointed they were gone in less than a year.


Great product, Fast shipping, great price. Ordered these on 6/25/18 and received on 6/27. Installed them today without a hitch. Had I gone to a parts house and just bought the pads and a kit I would have spent nearly what I paid for these completely assembled ones.

So far so good.
David - 06/28/2019


Excellent Customer Service from the start! Kate M. Helped verify I was ordering the correct assemblies. The cost was very good comparably, my neighbor did his a few months ago, etrailer was 50% of what he paid!

They shipped the day of the order and got to my house about 2 days faster than I Expected! I don't believe it could have gone smoother or better.

Thank You Kate M., you were awesome!

Very Well! Not a single issue. Kate was a Great help, made sure I got what I needed! This deal saved me a bunch of money over buying local and the quality has been Perfect!
GregS - 06/02/2017


Received 4 total brake sets, backing plates with shoes, drums, lugnuts, bearings and seals. All very good quality. Only gave a 4 star as I was amazed the 5 backing plate bolts "were not" included. Everything else was so complete. I have spent fair amount of time rounding up 20 3/8"X1"-24 grade 5 bolts and nuts. Seems that today no one stocks many of these causing me to run around trying to round up a total of 20 each. I live 15 miles from town so I spent some valuable time for something I thought would surely be included in an otherwise complete package. That being said, I am very pleased with in every other aspect. They are very helpful on the phone information also.


fast shipping. Easy to install. Remove 5 nuts and old unit slips off and replace with the new set of brakes.

Show More Reviews

Ask the Experts about this etrailer Accessories and Parts

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    If you've got 15 inch wheels on your horse trailer I believe you've likely got 12 inch brakes; you will want to confirm the capacity of your axle and the size of the hub and drums in order to make sure you get the right parts. To replace those, I recommend using the Electric Trailer Brake Kit - Self-Adjusting - 12" - Left and Right Hand Assemblies - 5.2K to 7K # AKEBRK-7-SA since they're a high quality self adjusting brake assembly; after the initial adjustments you won't need to do any...
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  • Troubleshooting Weak Trailer Brakes that Are Adjusted Properly and Have Good Magnets
    Is it possible there's grease in the drum which is causing the brakes to not lock up? If you blew out the inner grease seal or it was leaking at all this is a very likely cause. Otherwise it could be a mechanical problem of the assemblies and would need to be replaced. I attached a page that has all of the brake assemblies we offer for you to check out as well.
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    The Electric Trailer Brake Kit part # AKEBRK-7-SA (part # AKEBRK-7R-SA + part # AKEBRK-7L-SA) will work with pretty much any electric brake controller on the market so there should not be any concern in regards to that aspect. You may however want to do a quick check on the brake controller itself to make sure it is in working order. This can be done by checking for voltage on the blue brake output wire directly behind the brake controller with the manual override engaged. There should...
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    The part # AKEBRK-7L-SA is the correct left hand side assembly for your trailer with 7k Lippert axles. For the right hand side you'd then want the part # AKEBRK-7R-SA. These are self adjusting brake assemblies that are the correct replacement for your Lippert 7k axles.
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  • Do Trailer Brake Assemblies Have to be Replaced in Pairs
    Typically it's best to replace both brake assemblies at the same time since if one is worn out the other probably is but if for some reason one got damaged and the other was still in good shape you could replace them individually. For example for the # AKEBRK-7-SA that you referenced we have the left side with part # AKEBRK-7L-SA and for the right side part # AKEBRK-7R-SA.
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    To replace the 12 inch x 2 inch brake assemblies on your triple axle toy hauler with 16 inch wheels, I recommend the Electric Trailer Brake Assembly, Self-Adjusting, 12 Inch, Left-hand # AKEBRK-7L-SA and Right-Hand # AKEBRK-7R-SA. 5,200 pound and 6,000 pound axles use the same size brake assemblies as 7,000 pound axles. The # AKEBRK-7L-SA and # AKEBRK-7R-SA brake assemblies are designed and confirmed to work with axles up to 7,000 pounds. They will work well for 5,200 pound, 6,000 pound,...
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  • Replacement Brake Assembly Recommendation for 1992 Diamond D Stock Trailer
    Since we know you need 12 inch brake assemblies and that your axles are 6k rated the brake assembly part # AKEBRK-7R-SA that you referenced is the correct fit for the right hand side and the part # AKEBRK-7L-SA is the correct fit for the left hand side.
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  • Are Plugs Included For Adjustment Slots On 7K Electric Brake Assembly
    The rubber plugs for the slots used for the adjusting tool on the Electric Brake Assembly for 7K Axle, part # AKEBRK-7L-SA are included. I have attached a photo of the brake assembly and have arrows showing the plugs are in place in the brake assembly. This is a 12 inch x 2 inch driver-side brake assembly and fits 7,000-lb axles. The brake assembly for the passenger side of the trailer is part # AKEBRK-7R-SA.
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