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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  • Trailer Brakes
  • Electric Drum Brakes
  • Brake Magnets
  • Redline
  • 12 x 2 Inch
Call 800-298-8924 to order Redline accessories and parts part number BP01-180 or order online at etrailer.com. Free expert support on all Redline products. Guaranteed Lowest Price and Fastest Shipping for Replacement Trailer Brake Magnet for 12" Brake Assemblies. Accessories and Parts reviews from real customers.


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  • Reviews (18)
  • Q & A (42)
  • Videos (1)
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Redline Accessories and Parts - BP01-180


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 Reviews

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

Average Customer Rating:  4.9 out of 5 stars   (18 Customer Reviews)


- BP01-180
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! 341658



- BP01-180
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. 233667



- BP01-180
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. 264470



- BP01-180
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. 86459


Comments

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

-- comment by: Jerry D - 12/30/2013

2483

- BP01-180
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. 16971



- BP01-180
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. 142136


Comments

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.

Bob W - 07/20/2015

13532

- BP01-180
by:

Very easy to order. Received order very quickly. Haven't installed them yet. 514953



- BP01-180
by:

Just what I ordered. 238121



- BP01-180
by:

excellent 183933



- BP01-180
by:

Magnet replaced an ALKO magnet. Same quality and design. 171804



- BP01-180
by:

Exactly what was ordered and arrived in excellent condition 168142



- BP01-180
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. 147155



- BP01-180
by:

Product fairly priced, correct product shipped with the cost of shipping reasonable. Very satisfied. 111496



- BP01-180
by:

Promptly shipped and it was the correct part.. Thanks E-Trailer, you never let me down.. 38448



- BP01-180
by:

Fast Shipping and great service. Product was easy to install and works great. 35405



- BP01-180
by:

works great 31846



- BP01-180
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. 28899



- BP01-180
by:

Right part at the right price ! 26969


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18

Ask the Experts about this Redline Accessories and Parts
Do you have a question about this Accessories and Part?


  • 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...

  • Testing To See If Brake Magnets Are Bad
  • It is not normal to have 12 volts on both wires of your magnet. One side should be hot and the other should be ground. I recommend checking your magnets for amperage using a multimeter like # ALL648349. I've attached an article on how to use this meter to test your brake magnets. If you find that the magnets are bad, I recommend # BP01-180 for 12 inch assemblies and # AKBRKR-M10 for 10 inch assemblies.
    view full answer...

  • Troubleshooting Brake Controller E2 Error Code
  • The Hopkins Agility Trailer Brake Controller # HM47294 you asked from is most likely too new to get that E2 code like the older models (it would be SC instead) according to my tech contact at Hopkins. With either the SC or the E2 code, it is showing a short in the blue output wire somewhere between the controller and the brake magnets. This can be due to a pinched or broken wire, a bad ground wire, or it could be from a bad magnet as you stated. I recommend using a circuit tester...
    view full answer...

  • Troubleshooting Electric Trailer Brake Assembly Magnets
  • We have an article to assist with checking your brake magnets like you are stating. The resistance will go down because the brake magnets are connected in parallel. Since the voltage doesn't change, the amperage draw needs to increase to power the magnets. This is Ohms law in action based on my research. You obviously already have a multimeter like # ALL648349 so if you determine based on the article that you need to replace magnets, I recommend # BP01-180 for 12 inch Dexter assemblies...
    view full answer...

  • 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...
    view full answer...

  • 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...

  • 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...

  • 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...

  • 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...

  • Weak Braking Performance with Electric Drum Brakes on 6000-lb Tandem Axle Sealcoating Rig
  • On the Dexter Electric Brake Assembly you referenced, part # 23-105 rated for 6000-lb axles, the pad thickness varies slightly across the arc-shaped curve of the pad. I measured one with a precision digital caliper and found that pad thickness varies from 0.20-inches in the center of the pad to 0.18-inches at the ends. If your brake pads have 3/32nd-inches of pad thickness left (or 0.093-inches) then this clearly indicates wear that could, but does not necessarily, explain your weak braking...
    view full answer...

  • 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.
    view full answer...

  • Availability of Old Round-Style Brake Magnets for Hayes 12 x 2 Electric Brakes
  • If your trailer has pre-1988 Hayes electric brakes that use the round-style magnets you will have to replace the entire brake assembly. Until a few years ago the old-style round magnets were still available as replacement parts but they are no longer offered. It will therefore be necessary to update your trailer with new brake assemblies. In your case you will also need to replace your hubs/drums in order to use these new brake assemblies. Replacement hubs/drums need to be matched based...
    view full answer...

  • Replacement Brake Magnet for 1980 Hayes Brakes With Recessed Back Plate and 3 1/2-Inch Center Hole
  • We do offer replacement magnets for older Hayes electric brake assemblies but none of these are suitable for brakes produced before the mid-1980s. For reference I have linked four such magnets. The good news is that we do offer complete brake assemblies that are not much more in cost than replacement magnets alone. The link provided will take you to our main page for electric drum brake assemblies where you can use the filters in the left-hand margin to narrow the results based on the...
    view full answer...

  • How to Wire Trailer Brake Magnets
  • As long as one of the wires coming from the back of the hub is a ground and the other is a power, it does not matter which wire on the magnet goes to which wire from the back of the hub. I have included a link to a video of a magnetic brake replacement video that may be helpful. It is for a different size brake, but you it shows the whole process.
    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...
    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.
    view full answer...

  • 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...

  • Troubleshooting Trailer Brakes that Lock Up When Trailer Wiring is Connected
  • What it sounds like is happening is that the 12 volt accessory circuit on your trailer wiring is being mistakenly wired to the brake output circuit either by a short or something being miswired. I would first start at the 7-way of your truck and using a circuit tester like part # PTW2993 check for voltage in all of the correct pins. I attached a diagram for you to use as a guide. Next, you can use a jumper wire from a 12 volt car battery to apply voltage on all of the different circuits...
    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...

  • 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...

  • 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...
    view full answer...

  • 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...
    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...

  • How to Release Trailer Brakes After Trailer Break Away Pin Pulls Out
  • If your break away switch looks like # HM20010 then you should just have to push the pin back in. This will break the circuit and release the trailer brakes. If this does not work then there is some other wiring issue going on. You will need to remove power from the system to get the brakes to release. You can do this by disconnecting the break away system battery (just remove the power wire from the positive battery terminal). After the brakes release you will want to determine the...
    view full answer...

  • 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.
    view full answer...


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Info for this part was:

Expert Research:
Michael L
Expert Research:
Patrick B
Expert Research:
Michael H
Installed by:
Jeff D
Expert Research:
Jameson C
Expert Research:
Adam R
Updated by:
Laura H
Expert Research:
Jeffrey L

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