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Replacement Trailer Brake Magnet for 12" Brake Assemblies
Redline

Replacement Trailer Brake Magnet for 12" Brake Assemblies

Part Number: BP01-180
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$50.44
Retail:$65.99
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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




California residents: click here


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 Replacement Trailer Brake Magnet for 12" Brake Assemblies 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:

Ratings & Reviews

4.8

37 reviews

by:

Right part at the right price !



by:

works great



by:

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



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:

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



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:

everything was just as it should be, my items were well packaged and arrived on time at a very reasonable price. will definitely use etrailer again.



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. profile picture

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:

Service... a'ok ..... deliivery time... a'ok



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. profile picture

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:

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. profile picture

Richard H.

12/2/2022

They are doing exactly what they were designed to do !



by:

Everything I needed to replace the old brake magnets.



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:

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:

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:

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:

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



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:

Excellent replacement.



by:

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



by:

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



by:

Ordered genuine Dexter part and got another brand



by:

Magnet replaced an ALKO magnet. Same quality and design.



by:

Exactly what I ordered and fast delivery


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See what our Experts say about this Redline Accessories and Parts

  • Electric Trailer Brakes Lock Up When Trailer is Plugged in to Tow Vehicle
    The easiest first step here would be to try the trailer on a different truck, and see if the same problem occurs. If the trailer brakes are free until the trailer is plugged in, I suspect that something is mis wired. I would suggest examine the wiring where the break away system was bypassed and make sure that the 12-volt accessory feed is not connected to the brake wire at some point. Are you by chance using a 7 to 6-way adapter? If so, there are two accepted ways of wiring a 6-way connector....
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  • Old Hayes / AL-KO brakes Replacement Brake Magnets
    The Replacement Trailer Brake Magnet for 12" Brake Assemblies # BP01-180 will fit old Hayes AL-KO brake Assemblies that are 12x2 inches. They fit 6K and 7K assemblies after 1988. For the 7.2K and 8K oval you would want the Trailer Brake Magnet For Dexter 12-1/4 Brake Assembly, White Wire # BP01-265 instead.
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  • How To Tell Apart 5,200 lb, 6,000 lb and 7,000 Axles
    As you may have already found, 5200 lb, 6000 lb and 7000 lb axles can all use the same components including inner/outer bearings, hubs and brakes. Here are some other things they share in common: Dexter 5200 lb Regular Duty Axle - 0.180 inch tube thickness - 6 or 8 lug - white brake magnet wire # BP01-180 Dexter 6K Heavy Duty Axle - 0.250 inch tube thickness - 6 or 8 lug - white brake magnet wire # BP01-180 Dexter 7K Heavy Duty Axle - 0.250 inch tube thickness - 8 lug - black brake magnet...
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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.
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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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  • 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.
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  • Replacement Brake Magnet Needed for a Hayes M144 or AL-KO K568111 Brake Magnet
    For your 12" x 2" brake drum you can use either our part # AKBRKR-M12 or the Redline # BP01-180 to replace the brake magnet on your Hayes/Al-KO brake assembly. Both magnets have 2 wires coming from them and it doesn't matter which wire is connected to which function. I have linked some review videos for you to check out.
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  • 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...
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  • Troubleshooting Trailer Brakes That Stop Working When Trailer Is Hitched To Truck
    Based on your description there is an issue with the wiring running from the 7-way connector to the trailer brakes on your trailer, but I will say this is a very odd issue. I recommend tracing the trailer brake output wire from your trailers 7-way looking for any damage or any places it might be getting pinched when the trailer is hitched to your ball mount. Replace any damage sections with # 10-1-1 and heat shrink butt connectors # DW05745-5. It is likely that the wires are getting pinched...
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  • 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...
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  • 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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  • 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
  • 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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  • Axle Kits with Electric Brakes to Replace Mobile Home Axles
    We do carry replacement magnets and other parts for electric drum brakes, including some older designs. I linked the replacement magnets we carry for 12 x 2 brakes, parts # BP01-225 and # BP01-180. However, mobile home axles are not intended for continuous use on a trailer. Mobile home axles are manufactured to be strong enough only for one use to transport the dwelling to its destination - just that one time. Mobile home axles are not safe for ongoing use on a trailer. But we do offer...
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  • Looking For Brakes For Kelsey Hayes/AL-KO 12"x2" Brakes
    Hello Robert, thanks for reahcing out. Those 185100-150 brakes you mentioner are an older part that has been discontinued. We sold our last ones early 2024 and we will not be getting more stock. We do still have the Dexter Electric Trailer Brakes # 23-105-106-09 which are for the AL-KO/Hayes Axles, just they are the 6K version. This would still be an acceptable substitute since they use the same bolt pattern. Just not quite as much stopping power and weight capacity as the discontinued...
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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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  • Replacement Trailer Brakes for Mobile Home
    Thank you for the pictures. I have a solution for you but it does not look like we have any replacement shoes or springs for the measurements you have specified. Mobile home axles are designed for one time use and replacement parts can be difficult to find. For the dimensions you've given me I recommend the Dexter Nev-R-Adjust Electric Trailer Brake Assembly - 12" - Right Hand item # 23-465, and left hand assembly item # 23-464.
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    Image 1 for Image 2 for Image 3 for Image 4 for Image 5 for
  • Brake Magnets Needed for 2010 Surtrac Trailer with 5200 LB Axles
    I spoke with my contact at Dexter Axle and if there is any question regarding capacity, he recommends going with a magnet for a 7K axle brake assembly. The magnet is interchangeable so if you do indeed have brake assemblies for a 6K axle, it will still work for you. The magnet will be just a bit stronger but will not cause you any issues. Currently we offer 2 options when it comes to brake magnets for 12 inch x 2 inch brake assemblies. Trailer Brake Magnet, # BP01-180, fits: Dexter 12"...
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  • 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...
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  • Troubleshooting Trailer Brake Magnets With Wires Cut Short and Inside of Brake Assembly
    If the wires are cut to short and are inside the assembly, you can make the connections inside using the Deka Heat Shrink Butt Connector - 12-10 Gauge - Nylon Insulation - Yellow - Qty 5 # DW05745-5 to ensure a good connection. If you don't have enough movement behind the brake magnet spring assembly for the connections, then I recommend replacing the magnets so you will have appropriate function. For 10 inch assemblies use # AKBRKR-M10 or for 12 inch assemblies use # AKBRKR-M12 or #...
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  • 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.
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    Image 1 for
  • Troubleshooting Electric Brakes That Energize When Not Connected to Tow Vehicle
    Trailer electric drum brakes do make a humming sound when their magnets are energized with power from a trailer brake controller. This is normal behavior and it is usually possible to hear the energized brakes from about a foot away. If your brakes are being energized when the trailer is NOT connected to the tow vehicle this indicates an issue in the trailer wiring. Something is allowing 12V power to reach your brakes when it should not. Since the trailer is disconnected from the tow vehicle...
    view full answer...
  • Brake Magnet Recommendation for a 5,200 lb Dexter Axle
    For replacement magnets for your Dexter 5,200 lb brake assemblies the correct part number you need is # AKBRKR-M12.
    view full answer...
  • 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...


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