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Replacement Trailer Brake Magnet for 12" Brake Assemblies

Replacement Trailer Brake Magnet for 12" Brake Assemblies

Item # BP01-180
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Trailer Brake Magnet for 12 Inch Hub/Drums
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  • Reviews (36)
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Redline Accessories and Parts - BP01-180

  • Trailer Brakes
  • Electric Drum Brakes
  • Brake Magnets
  • Redline
  • 12 x 2 Inch


Trailer Brake Magnet for 12" Hub/Drum

  • Fits:
    • Dexter 12" x 2" 6K
    • Alko 12" x 2" 6K and 7K after 1988 (not centerline)
    • Hayes 12" x 2" 6K and 7K after 1988 (not centerline)


BP01-180 Trailer Brake Magnet for 12" Electric Trailer Brakes





Video of Replacement Trailer Brake Magnet for 12" Brake Assemblies

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




Video Transcript for Redline Trailer Brakes BP01-180 Review

Today, we're going to take a look at the replacement trailer brake magnet for the Dexter, Alko, and Hayes 12" electric trailer brakes, this part includes everything shown here on the table, the magnet itself, the spring, and the clip to hold the magnet into place. This magnet kit will allow you to replace the worn-out magnet on your 12" trailer brakes, and because you're replacing just the magnet, not the whole assembly, it will save you time and money. This part is designed to work with the following brake assemblies, it'll work with the Dexter 12" x 2" on a 6000 pound axle, the Alko 12" x 2" on the 6000 and 700 pounds axles, the after-1988, and the Hayes 12" x 2" 600 and 7000 pound axles after 1988. If you notice, the magnet is an oval design, and they do that to increase the efficiency of the magnet, and to also extend the life of the magnet. Just to give you an idea of the size on this, the width of it you can see is about 3 1/8", and the height going to be right at about 2". You also notice, when the wires come out of the magnet, they have a section of a protective sleeve over that, and the reason they do that is because, when this is installed in your brake assembly, that initial part of the wire is what goes through the backing plate, so you don't want the wires rubbing up against the backing plate and causing problems, so they put this nice, protective sleeve on here to protect the wires from getting damaged. Also, if you notice, it has the two wires, two black wires coming out of it. It doesn't matter which wire from the magnet is attached to the power or the ground, you just want to make sure that one of the wires is properly grounded, and then the other wire will be attached to your electric brake output circuit from your trailer connector.

That should do it for the review of the replacement trailer brake magnet for the Dexter, Alko, and Hayes 12" electric trailer brakes.

Customer Satisfaction Score:


Customer Reviews

Replacement Trailer Brake Magnet for 12" Brake Assemblies - BP01-180

Average Customer Rating:  4.8 out of 5 stars   (35 Customer Reviews)


by:

Everything I needed to replace the old brake magnets.



by:

My trailer is very old. It is home built and the brake plates were welded on the axles and I had to turn the axles around to get the brake actuators to function in the proper manner. While I was working on it, I realized the magnets needed replacing, but the originals were of a brand I couldn't find. I managed to measure the old parts and found the correct replacement on etrailer.com at less then half the price a local trailer shop wanted for a similar part. The magnets were exactly the right part, they arrived a day sooner then I expected and the brakes are back together and functioning as advertised. Now if it would stop raining I could get the axles back under the trailer and get the brakes wired up again. I'm not complaining about the rain, and certainly am happy about the parts and quick service.

Bob W.

7/20/2015

Thanks for checking back with me as I had completely forgotten the trailer brake issues I had last year. The brakes are still functioning fine and we are now using that trailer to haul logs and equipment on a regular basis with absolutely no problems with the brakes. I wish I had reworked them earlier and would recommend the parts I used to anyone with a similar issue.



by:

I'll give a #4 for now, they were slow getting here and I only have one installed right now ! The real test is when I haul my 40' trailer down the road for a few thousand miles, then I will know how well they work.

Richard H.

12/2/2022

They are doing exactly what they were designed to do !



by:

What I needed and got to me in time ! Easy to install. Also e-trailer has a slug of instructional videos. My brakes were sorely out of adjustment. A couple minutes reviewing the video and a few more adjusting the brakes and I'm a happy camper.

Jerry D.

12/30/2013

My order was correct and shipped promptly at a very reasonable shipping cost. Very satisfied with the service, I give it 5 stars



by:

Installation was easy and best of all they work! Many thanks to the Technical Support Team for helping me find the ones that match the trailer and troubleshoot that darn "beeping" noise coming from my truck brake controller.



by:

Had one ready to replace this spring - the wire on the old one had gotten caught in the brake mechanism. Glad I ordered the kit.



by:

I thought had an issue with my wiring and after doing a little research I figured out it was more than likely due to worn magnets. I was able to locate the correct type, order, and replace the magnets fixing my problem! I saved money by installing them myself!



by:

All products bought are working perfectly. These parts are good quality for the money. And more importantly, E trailer's customer service is why I only buy my trailer parts from them.



by:

Works just fine. Takes about the same effort as replacing the whole brake unit. But is cheaper. If caught early enough, you only need the clip inside.



by:

Very fast shipping, well packaged and a direct replacement for my worn magnets. Etrailer makes it easy to get the right part for my old 5th wheel.



by:

part was direct fit replacement, easy install works like the other 3 wheels.



by:

Product fairly priced, correct product shipped with the cost of shipping reasonable. Very satisfied.



by:

Magnet replaced an ALKO magnet. Same quality and design.



by:

Promptly shipped and it was the correct part.. Thanks E-Trailer, you never let me down..



by:

awesome service and fast shipping. Thank You Bunches!!



by:

Ordered genuine Dexter part and got another brand



by:

Excellent replacement.



by:

Very easy to order. Received order very quickly. Haven't installed them yet.



by:

Donna,
Received the other items
as promised, right on time. They were exactly what I ordered. Thanks



by:

I ordered four magnets and I received them in three days as they bumped me up to a quick ship at no additional charge. Installed with no problem and they are working fine.



by:

Exactly what I ordered and fast delivery



by:

Exactly what was ordered and arrived in excellent condition



by:

excellent



by:

product was delivered when promised



by:

Fast Shipping and great service. Product was easy to install and works great.


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See what our Experts say about this Redline Accessories and Parts

  • Would Installing Higher Rated Brake Magnets Increase Braking Power
    The magnets of a brake assembly do not actually give the brakes more or less power. You want to use the correct magnets for the assemblies you have on your trailer. Going with a magnet for a higher rated assembly will simply make the brake activation harder to control. They won't be any more powerful but they will be more touchy when adjusting the braking power. I would check the main ground for the trailer. This is the wire that runs from the trailer connector to the trailer frame and...
    view full answer...
  • Is # BP01-225 a Replacement for # BP01-180 Brake Magnet
    According to my contacts at Redneck Trailer Supply, the less expensive BP01-225 is indeed an acceptable replacement for the BP01-180 brake magnets on your 12x2 Dexter brake assembly.
    view full answer...
  • Can 3500 lb AL KO Brake Assemblies be Replaced with Dexter Brake Assemblies
    Yes, the Dexter Nev-R-Adjust brakes will work with your 3,500 lb AL-KO axles. Brake assemblies attach to the brake mounting flange that is welded to the axle or spindle. The brake mounting flange on the 3,500 lb AL-KO axles uses a standard 4-bolt pattern that is compatible with AL-KO 3,500 lb brake assemblies and Dexter brake assemblies. For the left hand brake assembly, you can use part # 23-468 and for the right hand use part # 23-469. I have attached a review video for the Nev-R-Adjust...
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  • Troubleshooting One Brake Locked Up on Trailer
    Sounds like there could be a short in your trailer wiring for one of the brakes or there could have been a mechanical failure in that one brake assembly. The second possibility is more likely since only one brake was affected. First inspect the wiring to the affected brake (and the others too) to check for signs of damaged wires or worn insulation that could cause a short. If the short was near the one brake assembly then that might cause the issue to be isolated to the one brake. Also...
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  • Mobile Home Trailer Axle Replacement Brake Shoes
    I will need some measurements to help me make the correct recommendation for replacement brake shoes for your mobile home. The inside diameter and the depth of the brake drum is what determines the necessary width of the brake pads. For example, the 10 inch x 2-1/4 inch Electric Brake Shoe, Item # AKEBRK-35L, would fit a brake drum with a 10 inch diameter and 2-1/4 inch depth. If you would like to get me those two measurements I would be able to help you. I have linked a picture showing...
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    Image 1 for Image 2 for Image 3 for Image 4 for
  • Testing a Tekonsha Prodigy Brake Controller and Trailer Brake Magnets to Eliminate SH Code
    The SH error code on the Prodigy indicates a general problem with the brake output circuit. In your case, in addition to the magnets possibly causing the problem, it is a good idea to check the rest of the system as well. 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,...
    view full answer...
  • One Side Of Electric Trailer Brakes Are Locking Up When Braking
    There are a few things you can check to make sure the brakes are adjusted correctly, but it sounds like there may be a short in the system. I would start by checking the trailer wiring connector on the truck and trailer for corrosion. If there is corrosion in either connector, it will need to be replaced. Next, I would inspect the wiring on the trailer, for any cut or frayed wires. It is possible that maybe only one brake assembly is getting power. You will also want to check the ground...
    view full answer...
  • Recommended Brake Assemblies For 5200 lb AL-KO Axle
    For your 5200 lb Al-Ko Axle, I recommend the Electric Trailer Brake Assembly - Self-Adjusting - 12" - Left Hand - 5,200 lbs to 7,000 lbs # AKEBRK-7L-SA along with the right side # AKEBRK-7R-SA. These brake assemblies only need an initial adjustment when mounted and will self-adjust from that point. The backing plate is e-coated to resist wear and corrosion. They also have adjuster plugs to cover access holes to keep dirt and grime out of the assembly and off the shoes. These assemblies...
    view full answer...
  • Troubleshooting Trailer Brake Magnets that Have Voltage to Them But Arent Activating
    It has to be the ground then of the brake magnets. If they are all getting voltage and not applying the problem is the grounds. Make sure the magnets are connected to a clean portion of the trailer frame or you can run ground wires from each magnet back to the main ground of the trailer wiring harness. When the magnets are activating you should hear them click as they grab the drum and you'll also hear a low hum too.
    view full answer...
    Image 1 for
  • Troubleshooting Trailer Brakes That Do Not Grab Evenly On Both Sides
    If you're certain that your trailer brakes are adjusted properly, then you likely have a wiring issue such as a short somewhere. What you can do is, start by checking the trailer wiring connector on the truck for corrosion. Corrosion can often the culprit of situations such as these. If there is corrosion on your connector, then clean the connector and check again to see if the problem persists. Next, if that did not solve your issue, then what you can do is check the wiring on the...
    view full answer...
  • Will the Dexter # BP01-225 work as a Replacement part for the # BP01-180 or BP01-185
    According to my contact at Dexter, the Dexter # BP01-225 is rated for use on up to a 7K axle and it is intended to fit Dexter and Dexter Nev-R-Adjust brake assemblies. It has a larger profile and may not fit on Hayes/Alko brake assemblies. Where as the # BP01-180, is also rated for use on up to 7K axles, and it is considered a fit for Dexter and Hayes/Alko brake assemblies. The # BP01-185 is rated for use on up to 6K axles, and is considered a fit for Dexter brake assemblies. If you...
    view full answer...
  • Will Out of Adjustment Trailer Brakes Cause a Fault Code on the Electric Trailer Brake Controller
    The brake pads themselves being out of adjustment would not cause a fault code to read on your brake controller. You can check the brake pad adjustment by safely raising the trailer and spinning the tire. If you hear a slight lining drag as the tire spins, and can easily spin the tire your brakes are properly adjusted. If the tire is hard to spin or you hear intermittent or no lining drag the brakes should be adjusted. We have a video that shows how to adjust the trailer brakes at the 4...
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  • Replacement Magnets for Al KO 3500 lb Trailer Brake Assemblies
    We have the part # BP01-110 which is the correct replacement magnet kit for AL KO 3,500 lb brake assemblies like you have.
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  • Replacement Brake Assembly Magnets for a Dexter 8k Axle
    The brake assemblies that are on your 8k Dexter axles most would be the Dexter Electric Brake Assembly # 23-435, the replacement brake magnets for this assembly would be the Replacement Magnet Kit # BP01-301.
    view full answer...
  • Replacement Brake Magnet for 12 x 2 Inch AL-KO Electric Brakes on a 2009 Cougar 5th Wheel Trailer
    You can actually use either magnet, # BP01-180 or # AKBRKR-M12, since your trailer is well past the 1988 cutoff for AL-KO assemblies. There is no advantage of one magnet over the other so I would go with # AKBRKR-M12 since it costs less.
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  • Electric Brake Assembly Recommendation
    Hubs that will fit those bearings include etrailer Trailer Hub and Drum Assembly for 3,500-lb E-Z Lube Axles 5 on 4-1/2 # AKHD-545-35-EZ-K or Trailer Hub and Drum Assembly 6 on 5-1/2 # AKHD-655-35-EZ-K depending on the bolt pattern you have. The brake assemblies part numbers # AKEBRK-35L-SA and # AKEBRK-35R-SA will then work well with the either hub referenced. These will fit 10" diameter, wheel sizes 13", 14", and 15", and are intended for 3,500 lbs axles. Included are video resources...
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  • Troubleshooting An Electric Drum Trailer Brake that Will Not Release On One Side
    I would start by checking to see if 12 volt power is constantly running to the right brake. If it is for some reason, trace the wiring to make sure it is connected in the right place. Also make sure the ground is attached to a clean and corrosion free bare metal surface. Then, you can go back and basically start from scratch with the installation. Make sure that everything is properly installed and that the brakes are adjusted correctly. You can also test the magnet. I would check the...
    view full answer...
  • Are Trailer Brakes Always On or Off When Not Connected to a Tow Vehicle
    Unless something is putting voltage on the brake output circuit of the trailer wiring the brakes of the trailer wouldn't be activated. So if your trailer wasn't plugged into a tow vehicle the trailer's brakes should not be activated unless the off-chance the breakaway system's pin has been pulled. I attached an FAQ on breakaway systems for you to check out as well as an FAQ on brake controllers that you may find helpful.
    view full answer...
  • What Wiring Size Is On Replacement Trailer Brake Magnet # BP01-180?
    The Replacement Trailer Brake Magnet # BP01-180 has 16 gauge wires. Not all magnets will require the protective coverings as the brake assembly backing plate will have a Bushing similar to the # SWC8052-1 that protects the wiring from chaffing on the steel when it travels through the plate.
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  • Getting Power To Trailer Brakes But Brakes Not Activating on 2010 322 Toy Hauler
    There are a few things that could be causing the problem you are having with your trailer brakes. First, you will want to check the adjustment to your brake assemblies. When turning the trailer wheel, you should be able to hear the brakes barely brushing all around as the wheel spins. If that is not the case you will want to adjust the brakes by accessing the adjustment gear on the back of the brakes (see video link). You will want to tighten up this gear until you cannot easily spin the...
    view full answer...
  • Which Magnets are Recommended for 12 inch Dexter Trailer Brake Assemblies
    Depends on the capacity Dexter axle you have. If your 12 inch drum axles are 6k rated the magnet you would need as a replacement is the part # BP01-180. If instead you have a 7k axle the correct magnet is the part # BP01-225.
    view full answer...
  • Will Going with a Higher Rated Brake Magnet Give More Braking Power
    Going to a "more powerful" magnet will not give you additional stopping power. All it will do is make your trailer brakes harder to fine tune as they will want to lock up easier. Your best option would be to stick with the proper rated magnets for your setup. If your brakes are weak and won't lock up that could mean that your magnets are worn and need replaced or your assemblies are out of adjustment. The easiest possibility is that your brake controller just needs to be adjusted for more...
    view full answer...
  • Availability of Replacement Round Magnet for Older Dexter 6,000 Pound Brakes
    I do have a solution for you, however we don't have a replacement brake magnet available that will work on your older 6,000 pound Dexter Axles. The round magnets you have pictured are pretty old models that aren't made anymore and the current oval design won't be compatible as replacements. With this in mind your best option at this point will be to replace the brake assemblies themselves. For 6,000 pound assemblies the Dexter Nev-R-Adjust Brake Kit # 23-458-459 will work great. Both the...
    view full answer...
    Image 1 for Image 2 for
  • Comparing Trailer Brake Magnets # BP01-225 and # BP01-180
    The Trailer Brake Magnet, # BP01-225, that you have referenced is designed for use with 12 x 2 inch Dexter electric drum brakes for 7,000 pound capacity axles. A similar magnet, # BP01-180, fits Dexter 6K, Alko 6K and 7K after 1988 (excluding centerline), and Hayes 6K and 7K after 1988 (excluding centerline) 12 x 2 inch drum brakes. Both magnets have 1 wire for ground, and 1 for power and it does not matter which wire is used for either function.
    view full answer...


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