bing tracking image
  1. Accessories and Parts
  2. etrailer
  3. Trailer Brakes
  4. Electric Drum Brakes
  5. Brake Magnets
  6. 12 Inch
Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies - 5,200 lbs to 7,000 lbs

Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies - 5,200 lbs to 7,000 lbs

Item # AKBRKR-M12
Our Price: $17.72
Accessories and Parts
Orders above $50 qualify for Free Shipping
Shipping Weight: 1.12 lbs
In Stock
Accessories and Parts AKBRKR-M12 - Brake Magnets - etrailer
zoom in icon
slider vertical icon
zoom out icon
Comment field cannot be left empty.
Name field cannot be left empty.

Thank you! Your comment has been submitted successfully. You should be able to view your question/comment here within a few days.

Error submitting comment. Please try again momentarily.

Product Images


Need help with installation?
Locate installers near me
Replace the worn or damaged magnet on your electric trailer brake assembly. Fits 12" assemblies with a 5,200-lb, 6,000-lb, or 7,000-lb axle rating. Includes magnet, clip, and spring. 1-833-496-1390 to order etrailer accessories and parts part number AKBRKR-M12 or order online at Free expert support on all etrailer products. Guaranteed Lowest Price and Fastest Shipping for Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies - 5,200 lbs to 7,000 lbs. Accessories and Parts reviews from real customers.
  • All Info
  • Reviews (87)
  • Q & A (0)
  • Videos (1)
  • Photos
  • Why etrailer?

etrailer Accessories and Parts - AKBRKR-M12

  • Trailer Brakes
  • Electric Drum Brakes
  • Brake Magnets
  • etrailer
  • 12 Inch
  • 5200 - 7000 lbs

Replace the worn or damaged magnet on your electric trailer brake assembly. Fits 12" assemblies with a 5,200-lb, 6,000-lb, or 7,000-lb axle rating. Includes magnet, clip, and spring.


  • Replacement magnet fits 12" trailer brake assemblies designed for 5,200-lb, 6,000-lb, and 7,000-lb axles
    • Compatible with brake assemblies from most manufacturers, including AxleTek, Dexter, Lippert (LCI), IAC, and AL-KO
  • Oval design
  • Dimensions: 2" long x 3-1/8" wide x 1" tall
  • Magnet, retaining clip, and spring included

13-819 AxleTek Replacement Brake Magnet Kit for 12" Brake Assembly - 5.2K lbs to 7K lbs

Video of Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies - 5,200 lbs to 7,000 lbs

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for etrailer Trailer Brakes AKBRKR-M12 Review

Today we're going to take a look at the replacement trailer brake magnet kit for 12 inch brake assemblies on 52,00 pound to 7 thousand pound axles. This part includes everything shown here on the table. It includes the magnet itself, the spring and the clip which is used to attach the magnet to the brake assembly. This magnet kit will allow you to replace the worn out magnet on your 12 inch trailer brakes and by just replacing the magnet it will save you time and money instead of having to replace the whole brake assembly. This part is designed to work with 12 inch brake assemblies on 52,00 pound or 7 thousand pound axles. If you notice the magnet is an oval design and this oval design will increase the efficiency of the magnet and it extends the life of the magnet itself. Just to give you an idea on the size on this, total width on this magnet is about 3 and one eighth inches, the height on it is right at about 2 inches and the thickness of it is right about 1 inch. Also if you notice, it has a sleeve on the first part of the wires that comes out of the magnet.

The reason they do that is when this is installed onto your brake assembly the wires go through the backing plate out the back so this is a protective sleeve that will protect the wires from rubbing up against the backing plate and causing damage so this sleeve will help protect the wires. If you notice it does have 2 black wires coming out and these are electric brakes so the 2 black wires, one goes to the brake feed, the other to the ground and it doesn't matter, either wire can be used for either function, there are 2 black wires so you can hook up either one either way. That should do it for the review of the replacement trailer brake magnet kit for 12 inch brake assembly on 52 hundred pound to 7,000 pound axles.

Customer Satisfaction Score:

Customer Reviews

Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies - 5,200 lbs to 7,000 lbs - AKBRKR-M12

Average Customer Rating:  4.9 out of 5 stars   (87 Customer Reviews)

Replace the worn or damaged magnet on your electric trailer brake assembly. Fits 12" assemblies with a 5,200-lb, 6,000-lb, or 7,000-lb axle rating. Includes magnet, clip, and spring.


etrailer's service and attention to the customer is next to none. Although they did not have an answer to the size of my brake hub for my PUMA 31RLQS, they spent the time trying to find the answer (12" BTW). They sent my replacement magnets to the RV campsite in Montana promptly so I could replace them. They fit the QAI brake assemblies perfectly. These particular magnets, although new, did look like pulls though. They are are working well and I am happy with them, and of course the service etrailer provides to their customers.


I haven't had time to install them yet, they arrived on time, the box was a little beat up but everything was intact,


Magnets work great. The ones on my trailer where the wires had dry rotted and broken loose where they attached to the magnet. I ordered these to replace the ones on my car hauler trailer that has 12" brakes that I rarely use. Since the price is so much less than anywhere I found.
Shipping was fast and items were packaged nicely.


Product was delivered on time. Fit and function of product complies with OEM specs.
Thank you


i have ordered now from these guys couple times.
i have always got what i ordered, when it said it should be delivered.
this company seems to be doing business right .


Purchased these as replacements for the 12 inch drum brakes on 6K axles I have on my equipment trailer. Reason for the 4 star is because these are smaller than the magnets I took off. The original magnets were a 1/2 in. larger diameter all the way around. Time will tell on how much life I get from these "economy priced" magnets compared to the originals.


Price Wright!


Right Part, Fast Shipping


Once they arrived, I opened up all magnets and ohmed out verified all were good. Magnet also came with new metal keepers and springs to fasten to actuating arm. All my brakes work now and at a good price.


Great product, good instructions and easy installation. Delivered earlier than promised.


Excellent service! Customer service was in contact with me about the order, its shipping and now its arrival. Speed of delivery was great, 2 days.

After a year & several trips brakes work great with the new magnets!
William - 09/27/2021


We used these parts to rebuild the brakes, drums, bearings and seals on two 24' deck over trailers. The install was easy, they fit perfect and work great.
It is so nice to find the correct parts, helpful video's for installation at just a click of the mouse. We now have both of these trailers back on the road for many miles in safe working and like new condition with no issues sense the install was completed.
Thanks so much to everyone at etrailer for the products, support and everything.
My only regret is not taking photos.


Great fast service and delivery. Install was a breeze with everything already installed on the back plate. The self adjusting brakes adjusted really nice. Applied brakes 8 to 10 times with the manual brake control on the controller while driving 20mph and that was it. Sorry forgot to take pictures.


I purchased 4 brake magnets and a led license plate light. These had a great price and showed up very quick. I will order from etrailer again.


Found exactly what I needed very easily. Price was great and it arrived at my doorstep at a timely manner. Would high recommend the product and also etrailer.


Fantastic company, received order promptly, the video showing device and giveing dimensions was fantastic.
Excellent idea


Product came promptly and fit as described. The help videos are a great resource. etrailer has always delivered as advertised. Very confident in using them.


Exact part I needed. Worked great and easy install.


got items in timely manner at half the price they wanted in town. will order all my parts from Thank You very much.


Hey, etrailer is no joke! They sell great products for great prices! They have anything you need for any trailer and prices that are the best you'll find. And don't get me started on the shipping! It is lightning fast! I love it! Thank you etrailer!


The installation was easy and straightforward— all necessary parts were included. The brake magnet is still performing flawlessly a year later!


Great replacement for a failed brake on my race trailer and perfect fit. Installed easy and works as described.


Would like to see a little bit longer wire on these as my factory units had 4’ of wire attached and these only have around 2’ other than that they are good quality.


Product was exactly what I needed to stop our trailer


Great company! Fast shipping. Ordered a few different times and had great luck. One shipment was missing a part and they were fast to get it out to me. Would highly recommend etrailer .

Show More Reviews

See what our Experts say about this etrailer Accessories and Parts

  • Replacement Shoes and Magnets for my 7,000 lb. 12x2 Brake Assemblies.
    Your brakes will likely use the Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies - 5,200 lbs to 7,000 lbs. part # AKBRKR-M12 and the Replacement Shoe and Lining Kit for 12" Manual-Adjust Brake Assembly - 5,200 lbs to 7,000 lbs part # AKBRKR-S-12
    view full answer...
  • Should There Be Power on the Ground Wire for a Brake Magnet
    There should only be power entering the brake magnets, not leaving them through the ground wire. I would first start off by regrounding each brake magnets to a new bare metal surface separately of one another and as close to the brake assembly as possible. Once the above has been completed and the problem still persist then it may be time to replace either the magnets or the entire braking assembly. In order to offer replacement brake magnets I would need to know the brand of brakes you...
    view full answer...
  • Brake Magnets Needed
    Basically every company who makes trailer brakes has their own brake magnets. Dexter is one of the leading manufacturers which is probably why you have found a lot of their stuff. Attached is a link to our selection of brake magnets for you to filter through. Two of our most popular options come from AxleTek (rebranded as etrailer) and are parts # AKBRKR-M12 for 12" brakes and # AKBRKR-M10 for 10" brakes. Each assembly comes with 2 wires connected to it, one for power and one for ground....
    view full answer...
  • What is Difference Between Trailer Brake Assemblies KB10E-06 and KB12E-06
    The KB10E-06 # AKBRKR-M10 and the KB12E-06 # AKBRKR-M12 are similar magnet designs but they are intended for different applications/sizes of brake assemblies. The # AKBRKR-M12 is for 12 inch assemblies and the # AKBRKR-M10 is for 10. The temptation is to use the bigger magnet on the lower rated assemblies but doing so does not give you more powerful brakes, it actually will just make for harder to adjust brakes as it the magnet will be too sensitive.
    view full answer...
  • How to Test Electric Trailer Brake Magnets to Determine if They Need to be Replaced
    I would check the magnets for wear before going on to test them with a meter. If the magnets show abnormal wear or if you can see the windings beginning to show through the friction surface of the magnet then they will need to be replaced. To further test your magnets, first make sure the trailer is not connected when performing this test. If the trailer is connected, you run the risk of shorting out the brake controller or various other electrical components. To test the brake magnets...
    view full answer...
  • Electric Trailer Brake Magnet Short Circuit Indicator on Brake Controller Comes On After Moving
    You said you checked the brake magnets. When inspecting them did you notice if the windings inside the magnets are showing? If so this is most likely the reason that the short is showing up on the controller when the vehicle is moving. This would mean that the magnets would need to be replaced. If you are seeing the short condition after you have been towing for a bit then the problem most likely lies inside a magnet. Brake magnets work best when they are warm and, if there is a problem,...
    view full answer...
  • What is the Amperage Draw of a Brake Magnet on a 12 x 2 Dexter Brake Assembly with Round Magnets
    On a 12 inch brake assembly magnet, you should be getting 3.2 to 4 max amps at 12 to 13 volts. We have an FAQ article that covers testing brakes and brake magnets that should be helpful to you. I have included a link to it. Replacing the magnet is pretty easy. On the control arm that holds the magnet there is a spring. The hole in the magnet goes over the upright part of the arm and rests on the spring. Then, you replace the clip that holds the magnet to the arm. I made a short video demonstrating...
    view full answer...
  • Testing Individual Trailer Brake Magnets or All Brake Magnets at Once
    If you are testing with the trailer connected to the vehicle (the first part of the FAQ, linked for reference) then the max amps at 12-13 volts for 4 brakes TOTAL should be 15-16.3 amps on 10 inch assemblies. This first section explains the process for testing all of the magnets at once. If you are testing each magnet individually, you should get 3.2-4 amps at 12-13 volts for 10 inch assemblies. If you are testing for resistance for an individual magnet you will be looking for 3-3.8...
    view full answer...
  • Low Trailer Brake Voltage on a 2012 Ford F-350 with Integrated Brake Controller
    The out put on the trailer brake pin on the 7-Way is dependent upon how the brake controller is set. The power level of a brake controller can be set aggressively or lower depending on how heavy the load is you are carrying. The controller in the truck is proportional meaning that if you lightly put pressure on the brakes then it does not send that much voltage back. In a lot of proportional controllers, you actually have to be moving to get the proper voltage sent back when using the...
    view full answer...
  • Brands and Weight Ratings of Trailer Brakes That Can Use Replacement Magnet Kit AKBRKR-M12
    Electric brake magnet part # AKBRKR-M12 fits both left- and right-hand 12 x 2-inch electric drum trailer brakes. It is usable in brakes rated for axle capacities from 5200-lbs up to 7000-lbs. This will work on brake assemblies from most manufacturers, including AxleTek, Dexter, Lippert (LCI), IAC, and AL-KO. The magnets are not polarized so it does not matter which lead you connect as ground or hot.
    view full answer...
  • SH On Prodigy Brake Controller But Trailer Brakes Work Fine with Different Tow Vehicle
    The SH error on the Prodigy series of brake controllers indicates that the controller is sensing a short. Since it worked fine with your truck the likely culprit is a dirty or corroded trailer connector on the RV. Make sure that the RV side and trailer side connectors are clean and free of corrosion inside where the wires attach and on the pins. Be sure to fix or replace any questionable wires as well. If this does not solve the problem you can test the brake controller using the help...
    view full answer...
  • Troubleshooting Trailer Brakes that Short Out After 1/2 Hour Of Driving
    Sounds like the problem may be the magnets in the brake assemblies of your trailer. What you will you will want to do is check out the help article I attached that details how to test them so that you can find the bad magnet and replace as needed. Typically magnets don't go bad on newer trailers, but based on what you described it sounds like that's what happened.
    view full answer...
  • Troubleshooting Intermittent Brake Controller Short While Travelling
    Intermittent shorts can be sometimes hard to find, but typically are due to a exposed wire on the shorting circuit that is in an area that allows some movement. Start at the connector for your trailer and work your way back to the assemblies looking for any cut or exposed wire and fix as needed. Where the wire goes from the frame of the trailer to the axle will be a good place to check as well as there is some movement there to allow the suspension to work. I attached a help article on...
    view full answer...
  • Possible Hub and Brake Assembly for Trailer with Components Made in 90's
    If your spindles are in good shape we can probably get you set up with new hub/drums and assemblies. First step though is to find out what spindles you have so we can see if we have a new hub that will fit it. I would need both bearing numbers for that or you would have to take exact measurements on the spindle where the bearings ride. I attached a picture that has more details on that. If you get back to me with that information I will help you pick out the right hub assemblies. Or, you...
    view full answer...
    Image 1 for
  • Trailer Brakes Not Working After Two Tire Blowouts
    It's possible that the brake assemblies themselves on your travel travel have been damaged. The overheating that most likely caused the two tire blowouts could have also damaged the brake magnets, which would lead to the brake controller reading no continuity (and having the same issue with a different controller). Since all the wiring and connections for the brake controller look good, I recommend removing the hub and drum assemblies on your trailer and checking for wear/damage to the...
    view full answer...
  • How Many Magnets Come with the Replacement Magnet Kit # AKBRKR-M12
    The Replacement Magnet Kit # AKBRKR-M12 that you referenced is an individual magnet with a spring and retaining clip. If you need two magnets you need two of these.
    view full answer...
  • Can Continuity be Tested on Trailer Brake Magnets to Determine if they Are Good
    We have an entire help article dedicated to testing trailer brake magnets that I attached for you to check out. You can test for resistance like you described. There is a specified range of Ohms that should be present depending on brake assembly size. If the assemblies are 10 or 12 inch the range should be 3.0-3.8 Ohms or if the assembly is a 7 inch assembly you'd need to see between 3.8 and 4 Ohms.
    view full answer...
  • What Amperage Draw Does Brake Controller Look for on Trailer Wiring to Sense Connection
    Easiest way to fool a brake controller into thinking a trailer is connected is going to be by installing a brake magnet on the circuit as that's the "draw" it's looking for. For that you could use the part # AKBRKR-M12 and you'd be set. The minimum ohm resistance you'd want is 7.5-8.2 ohms which is the normal resistance found on a trailer with the smallest brake magnets offered. If you went the diode route that would be the size you'd need. I attached a link to a help article that has...
    view full answer...
    Image 1 for
  • What to Use to Clean of Trailer Brake Assembly Brake Magnets
    Brake parts cleaner like what you could find at your local auto parts store would work great to clean off brake magnets like the part # AKBRKR-M12.
    view full answer...
  • What Is The Thickness Of The Replacement Magnet Kit For 12 Inch Electric Trailer Brake Assemblies?
    The Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies # AKBRKR-M12 that you mentioned is 1" thick, and measures 2" long and is 3-1/8" wide. I have included an image depicting these measurements for you to check out as well.
    view full answer...
    Image 1 for
  • Can etrailer Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies Fit Lippert 12" Brakes
    If the 2" long x 3-1/8" wide x 1" tall dimensions of the Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies # AKBRKR-M12 matches what you have on your 12" x 2" trailer brakes then this will work great for your application! These brake magnets are made by AxleTek who makes quality trailering equipment but doesn't add the price of the big name brands to the products. From my experience their brake equipment holds up just as well as the Dexter Axle and Lippert systems so you...
    view full answer...
  • Troubleshooting Diagnostic Amperage on Prodigy P3 Brake Controller for Brake Magnet Function
    It does sound like your Tekonsha Prodigy P3 # 90195 has given you some diagnostic information that reveals you may have bad brake magnets. The magnets are bad if you have one braking axle based on the 9 amps recorded, but if you have two or three braking axles, then you are still within the proper range. I've attached an article to assist. If you braking is within amperage, then I recommend manually adjusting your brakes to ensure proper contact for braking. If you need to replace your...
    view full answer...
  • Brake Controller Trailer Disconnect Warning Light
    An often seen cause for the trailer brake controller to display a disconnect error message is a damaged or corroded connector on the trailer. This may have occurred during it's time at the shop or just didn't show up as a issue until after this work was done. Other common causes for this error message are a bad connection at the electric brake assemblies or a short on one of the magnets. There could also be damage or a short on the wire that carries the brake circuit. I recommend re-checking...
    view full answer...
  • Replacement Brake Magnet Kit
    I would be happy to help you. We have several options like the Replacement Magnet Kit for 10" Electric Trailer Brake Assemblies - 3,500 lbs item # AKBRKR-M10 for 10" brakes. Or the Replacement Magnet Kit for 12" Electric Trailer Brake Assemblies - 5,200 lbs to 7,000 lbs item # AKBRKR-M12 for 12" brakes. I have linked our entire selection of replacement magnets. If you would like me to make an accurate recommendation please email me back with more information on your current brakes and what...
    view full answer...

< Previous

Do you have a question about this Accessories and Part?

  • Why

    At we guarantee:
  • Real product know-how.

    We make sure that the products we sell are what we say they are, and that they work the way they are supposed to work. Get real advice from a real person who has the knowledge and expertise needed to solve your problem.
  • Most detailed, accurate accessories and part information available.

    Because we take providing accurate product information seriously, we take our own detailed product photos, demo videos and installation videos, as well as verify measurements, instructions, and vehicle fit information.
  • Installations, made easy.

    We love helping people and have the most highly-trained customer service, hands-on experience, step by step videos and installation instructions.
  • Fast shipping.

    Your order is automatically routed to get out of our warehouse and to your door as quickly as possible. Receive free shipping on orders over $99.
  • Personalized service for life.

    We provide one-on-one, personalized service from the ordering process through the life of your product.
  • Trusted since 1946.

    We've been serving customers since our parts store first opened in 1946 and continue to be recognized by our customers, our vendors and third parties for exceptional service.
  • Returns Policy

    Need to return an item? No problem. Please read our Returns Policy for more information.

Info for this part was:

Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee Adam R
Expert Research:
Adam R
Employee Jeff D
Installed by:
Jeff D
Employee Kevin C
Installed by:
Kevin C
Employee Chris R
Video by:
Chris R
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C

At we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.