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  2. Dexter Axle
  3. Trailer Brakes
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  6. 12 x 2 Inch Drum
Dexter Electric Trailer Brake Assembly - 12" - Left Hand - 6,000 lbs

Dexter Electric Trailer Brake Assembly - 12" - Left Hand - 6,000 lbs

Item # 23-105
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23-105 - 6000 lbs Dexter Axle Accessories and Parts
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12" x 2" Driver's-side electric trailer brake assembly fits 6,000-lb axles. Mounting flange has a 5-bolt pattern. Fits 14-1/2" to 16" wheels. Call 800-298-1624 to order Dexter Axle accessories and parts part number 23-105 or order online at etrailer.com. Free expert support on all Dexter Axle products. Guaranteed Lowest Price and Fastest Shipping for Dexter Electric Trailer Brake Assembly - 12" - Left Hand - 6,000 lbs. Accessories and Parts reviews from real customers.
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  • Reviews (120)
  • Q & A (201)
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Dexter Axle Accessories and Parts - 23-105

  • Trailer Brakes
  • Electric Drum Brakes
  • Dexter Axle
  • Brake Assembly
  • 12 x 2 Inch Drum
  • LH
  • Manual Adjust
  • 6000 lbs

12" x 2" Driver's-side electric trailer brake assembly fits 6,000-lb axles. Mounting flange has a 5-bolt pattern. Fits 14-1/2" to 16" wheels.


Features:

  • 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
  • Adjuster plugs (included) cover access holes to keep dirt and grime out of the assemblies and off of the shoes
  • Mounting bolts sold separately
  • Made in the USA


Specs:

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


Exploded Electric Brake Assembly



K23-105-00 Dexter Electric Brake Assembly, LH - 6,000 lbs

Replaces 23-105






Customer Reviews

Dexter Electric Trailer Brake Assembly - 12" - Left Hand - 6,000 lbs - 23-105

Average Customer Rating:  4.9 out of 5 stars   (120 Customer Reviews)

12" x 2" Driver's-side electric trailer brake assembly fits 6,000-lb axles. Mounting flange has a 5-bolt pattern. Fits 14-1/2" to 16" wheels.

- 23-105
by:

I checked here locally on the cost of trailer brake shoes and magnets and found the price of etrailers' complete brakes and magnets assembled on a new backplate was by far less expensive. After removing the drum, this meant near zero labor, just five nuts to remove and replace the backplate then splice the wires. And another BIG plus, free shipping on an over thirty pound shipment. Wow so easy...And now I have all new brakes, magnets and all the other parts too, just seems to good to be true. I will continue to tell everyone about this labor saving and great priced product. Thank you etrailer.com.


Comments
Now a year later and 3,500 miles without any problem or issues. Looking back I am very pleased with my purchase and the excellent service provided by eTrailer. Thanks so much. Stay safe...
Edward S - 04/12/2020


- 23-105
by:

Parts all fit properly and worked great. Good product.



- 23-105
by:

I bought a used toy boxa and quickly found out that the breaks were mowed down. I had trip planned to Yellowstone so, I needed these fast. They showed up on time and were the right part. I put them on drive from SoCal to Yellowstone which is 1500 miles. I re-adjust the break one morning in Yellowstone and haven’t looked back. Thank you Etrailer.com!!!! Here is a picture of my trailer in Idaho. We camped here one night before we got to Yellowstone.



- 23-105
by:

I replaced the electric brakes on my dump trailer, and bought the Dexter 6000 lb set, fully assembled and ready to bolt on. They fit perfectly and are of the quality that I expected for American made products. I am very happy with my purchase.



- 23-105
by:

Very good selection, prices, and phone support. Quick shipping. Thanks!



- 23-105
by:

Easy to install, quality brake assembly



- 23-105
by:

Less work than buying all the parts separately. Parts came in good physical condition. However, on 1 of the 4 assemblies, the adjuster and adjuster spring was loose in the packaging but was easily made whole.



- 23-105
by:

Bolted right up and they continue to work great



- 23-105
by:

Should have read the description better figured I was buying knock off parts. Much to my surprise they were genuine Dexter parts. Fit and finish was perfect. Very straight forward easy install. Shipped fast, very satisfied. Thanks etrailer!



- 23-105
by:

EXCELLENT...... START TO FINISH. Fantastic service, great prices, quality products. Here's a before and after picture. It only took 30 minutes and basic tools to make the replacement. So much better than trying to clean up the old rusty one. Thanks again, Bill Borland in Michigan



- 23-105
by:

I ordered electric brakes on box was opened before, but all parts was still there, nothing lost. Got parts fairly quick also. I've made purchases before from etrailer will continue in future.



- 23-105
by:

I am writing this very favorable review of my online shopping experience with etrailer. Recently I had to replace the brakes, hubs, wheels and tires on my travel trailer. Please keep in mind that I am a 65 year old man without a lot of experience with online shopping. Never-the-less, I decided to give it a try in hopes of saving some money. To my surprise, etrailer made the experience very easy and painless. Before I placed my order on line, I had a question about one of the items on my shopping list, so I placed a call to them. I spoke with a very lovely and patient Customer Service Representative by the name of Michelle S. She was very helpful in answering my questions and encouraged me to call her back directly when I was ready to place my order; and so I did. During the shipping process, she kept me informed through emails the status of my order and everything arrived on time and in great shape. I truly appreciate the personalized services I received doing business with etrailer. They truly removed all of the uncertainty and nervousness of shopping online.



- 23-105
by:

Didnt realize how bad the brakes were until they were replaced! Now, the trailer actually stops!!!


Comments
Perfect! The brakes work as they should. Perfect fit!!
Jeff M - 02/23/2020



- 23-105
by:

Ordering parts was easy, professional help available,parts delivered on time very satisfied



- 23-105
by:

Perfect fit and easy to install.


Comments
Great. Easy install. Fixed my problem.
David - 09/02/2020


- 23-105
by:



- 23-105
by:

Great price, quick shipping. Perfect bolt on replacement. etrailer is awesome.


Comments
Parts were perfect, still using them regularly. I need an axle but only see spindles online. Do you carry complete axles?
Chuck - 07/06/2018

Thanks for the follow up, we do have some axles, and some axless options. I have included a link of our current offerings for your reference.

-- Etrailer Expert Rachael H - 7/6/2018


- 23-105
by:



- 23-105
by:

Brake assemblies were exactly as described. Installation was very straightforward and fairly simple. Total install time was two hours for 4 brake assemblies.



- 23-105
by:

This was one project that went easy :> A direct fit and the trailer is back on the road THANKS



- 23-105
by:

I was replacing the brakes on a 72 Airstream Argosy and needed a magnet but found out I could get whole new assemblies for $2.00 more! That's a deal! Just make sure if your backing plates have attached studs that you pick up the necessary grade 5 or 8 bolts, nuts and lock washers too.


Comments
Worked just fine. Sold the trailer
-- comment by: Terry N - 04/10/2014


- 23-105
by:

Parts arrived quickly and in good shape. Fit and worked perfectly. Easy job, made easier by using the assembled backing plates. Thanks etrailer!



- 23-105
by:

I had ordered some parts online to rebuild the suspension on one of our trailers. Customer service called me a short time later to inform me that they were out of stock on some items, they asked if it was possible to substitute some items. She was able to find the exact parts I needed in a different kit. The parts came within 3 days, very well packed, and they fit perfectly! This is the 3rd time I've ordered from etrailer and they have exceeded my expectations every time. EXCELLENT customer service and quality parts.



- 23-105
by:

Good price, great quality, easy install ation.



- 23-105
by:

Etrailer was great. Ordered dexter brake assemblies and grease seals. Everything work perfectly. Will order again.


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Ask the Experts about this Dexter Axle Accessories and Parts

  • Availability of Dexter 23-105 6k Trailer Brake Assembly
    The brake assembly you are in need of is the part # 23-105 which is a left hand brake assembly for a 6k axle.
    view full answer...
  • Difference Between Dexter 6,000 Lb and 7,000 Lb Brake Assemblies
    The biggest difference between the 6,000 lbs Dexter Trailer Brake Assembly part # 23-106 for right hand and part # 23-105 for left hand and the 7,000 lbs Dexter Trailer Brake Assembly part # 23-181 for right hand and part # 23-180 for left hand is the axle rating they are used for. If your Dexter axle is rated for 6,000 lbs you would use the 6,000 lb set and if your Dexter axle is rated for 7,000 lb you would use the 7,000 lb set. Also the 6,000 lb Dexter Brake assemblies fit wheel...
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  • Brake Controller and Wiring Harness for an RV Built on a 2016 Ford E-450 Van Chassis
    Your 2016 Ford E-450 van chassis/RV will use brake controller wiring harness # 3034-P. Ford only makes this van chassis for the RV and emergency vehicle industries now but the 2016 chassis is the same as the 2014 model year which was the last year it was available to the general public. On the 2016 the factory plug is located behind the coin tray, above the radio, in the center console (see picture). For a brake controller I recommend the P2 # 90885 because it is easy to set up and use...
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  • Troubleshooting Weak Trailer Brake Controller
    Since your brakes will lock up when pulling the breakaway pin that would indicate that the problem is not on the trailer side of the equation and would be on the tow vehicle. Testing the brake controller is fairly easy. Sever the blue brake output wire near the brake controller leaving enough room to reconnect it and then apply the manual slide. Using a circuit tester like part # PTW2993, you should get output to the controller side of the wire you severed. If the manual slide activates...
    view full answer...
  • What is the Difference Between Dexter 6k and 7k Electric Drum Trailer Brake Assemblies
    Electric drum brake assemblies for 6k and 7k axles both use the same 5 bolt mounting pattern. The 7k brakes will have a stronger magnet and will provide more braking. If used on a 6k axle a 7k brake assembly can be too aggressive but it could be used. The literature for the trailer should indicate the axle capacity somewhere. There may also be a sticker or plate on the axle with the capacity. It might also be stamped into the metal of the axle. I have included links to the 12 x 2 inch...
    view full answer...
  • Electric Trailer Brakes Locking Up On One Side Of The Trailer
    If it is only happening on one side then it could be a short in the wire for that side, a mechanical issue with the moving parts with in the brake assembly and or a foreign object became lodged inside the drum. I would check all of these and also check the bearings to make sure they are not damaged. If all is clear then it is most likely a mechanical issue with the brake assembly itself. To make it easier on yourself I recommend replacing the brake assembly.
    view full answer...
  • How To Tell If You Have Manual or Self-Adjusting Braking Assemblies
    The only true what to tell if a trailer has self-adjusting or manual adjusting braking assemblies will indeed be to remove the hub and look for the self-adjust cable (see photo). I am not aware of another method for this as the model number (if present) is generally placed on a sticker inside the assembly which also requires you to remove hub. The adjuster plug would be the same as well regardless. That said, although not as exact as the above if you were to craw under the trailer and read...
    view full answer...
    Image 1 for
  • Can Dexter 23-105 and 23-106 Brake Assemblies be Replaced with Self-Adjusting Assemblies
    You could easily swap out your Dexter manual adjust assemblies part # 23-105 and # 23-106 for a set of self-adjusting assemblies. For that I would recommend the part # AKEBRK-7R-SA for the right hand side and part # AKEBRK-7L-SA for the left hand side. These will install in the exact same way as your current assemblies. There would be no modifications needed at all.
    view full answer...
  • Replacement Brake Assemblies and Hubs for 1960 Airstream Trailer
    It sounds like your assemblies are not the typical assemblies and will need to be replaced. For your brake assemblies, I recommend the Electric Trailer Brake Kit - Self-Adjusting # AKEBRK-7-SA along with mounting hardware # BRKH12. If you don't have the brake flange compatible, you can use the Brake Mounting Flange for 3" Round Axle # 4-44-1 which needs to be precisely welded in place. Then for your drum brake assemblies to match, I need some more information. I will need either...
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    Image 1 for
  • How Does Trailer Electric Brake Assembly "Point" to the Front of Vehicle for Left or Right Hand
    I attached a picture that shows how the "pointing" of the arm looks. Basically if you look at the arm as the head of an arrow that will be the direction it points.
    view full answer...
    Image 1 for
  • Using Two Brake Controllers To Tow Trailer With Six Axles
    This is a tough one. we contacted our supplier and they said you will need to run 2 separate brake controllers like part # 90195. You will need to split the brake signal from the towing vehicle and attach it to the red wire on each of the brake controllers. Then run both power wires from the controllers to the positive battery post with circuit breakers. Both brake controllers would have to be set exactly the same so you maintain even braking. You will then need to run both Blue...
    view full answer...
  • Need Tang Washer Axle Nut Retainer Clip for Dexter 6000-lb Axle with 6 Lug Wheels
    We offer part # 5-101 from TruRyde which is a tang-type washer intended for EZ-Lube spindles. This washer has a tab that fits between the notches on the castle nut to hold it in place. The inner diameter of this washer is 1-inch. The linked video will provide a demonstration of the installation. We also offer a D washer # 5-23 that is installed on the spindle before the tang washer.
    view full answer...
  • Troubleshooting Low Brake Output Voltage
    First thing I would check is the blue wire that is at the rear of your vehicle for voltage when you apply the brakes and when you slide the manual override of this controller. You could also try sliding the manual override a few times and adjusting the gain knob up and down to help clear the contact points. If all this checks out it sounds like the problem is in the trailer somewhere. I would first check all the grounds of the trailer and make sure they are making solid corrosion-free...
    view full answer...
  • Do New Electric Drum Trailer Brakes Need to be Adjusted
    Yes, you will need to adjust the new trailer brakes. You will need to adjust out the shoes until there is a slight but constant drag of the pads on the drum when you turn the wheel. I linked a video to the right and if you fast forward to about the 4 minute 40 second mark you can see how the adjustments are done and how much drag you should have left on the hub.
    view full answer...
  • How Often Should Electric Trailer Brake Shoes be Changed
    You cannot really go by miles when determining when brakes should be replaced. You would know to replace them the same way you would know with a vehicle. If performance is suffering and adjusting the brakes does not help and there are no other issues causing the poor performance it is probably time to change the brake shoes. Different applications, loads, driving styles and other factors have an effect on how quickly brakes will need replaced. Adjust the brakes every 3,000 miles or when...
    view full answer...
  • How to Find Which Trailer Brake Assembly Goes on the Left or Right Side of a Trailer
    The left side is the driver side, right side is passenger side. On a trailer brake assembly like # 23-105 the arm that the magnet is on points to the front of the trailer and the magnet always will be on the bottom. I have included a picture that shows what I mean. The matching right side assembly is # 23-106.
    view full answer...
    Image 1 for
  • Recommended Torque Value For Installing Brake Assembly to 3500# Axle
    My contact at Dexter Axle tells me that when installing a brake assembly to the backing plate of a 3500 lb axle, the bolts should be tightened in a criss-cross pattern to between 45-70 foot lbs.
    view full answer...
  • Bolt Torque for Installing 12 inch Brake Assemblies on 6k Axle
    I spoke with my contact at Dexter and she informed me that you will need to tighten the attachment nuts to 30-35 ft-lb when installing 12 inch Electric Brake Assembly, part # 23-105, on your Dexter 6000 lb axles.
    view full answer...
  • Troubleshooting New Electric Trailer Brakes That Engage Only Weakly
    Brand new electric (and hydraulic) trailer brakes, even adjustable types, can take some time to settle in after installation. In general it is best to do several test runs at 40 mph before adjusting the brakes. You will want to hook up your truck and trailer, drive around and apply the manual override from your in-cab brake controller. Set the controller power and/or boost to maximum. You will want to start around 40 mph and use ONLY the manual override to slow down the truck and trailer....
    view full answer...
  • What Colors are Trailer Brake Magnets Wires
    Brake magnets are made to fit their specific brake assemblies. They are not made to be interchangeable between brake sizes or weight capacities. The wire color most likely has to do with the choice of the manufacturer. I have linked a video that details replacement and wiring of a trailer brake magnet that should be helpful.
    view full answer...
  • Why Would Electric Trailer Brakes Lock Up When Hub is Spun Backwards
    There's something mechanically wrong with the brake assemblies or you have a drum that needs to be replaced or turned. Electric trailer brakes should not lock up when turned in reverse. Especially if there's no current involved on any of the wiring. That means it's a mechanical problem. Something in the linkage much be catching as the hub turns which is then pushing the shoes apart and activating them.
    view full answer...
  • Trailer Brake Assembly Recommendation for Dexter Assemblies Marked 023-106 for Both Sides of Axle
    Sounds like you need the brake assemblies part # 23-105 and # 23-106 to provide you with brake assemblies for both sides of your trailer. These are 6k Dexter brake assemblies that are 12 inches in diameter. For a replacement nut the part # 38N typically is what is used. For a lock washer part # 38LW.
    view full answer...
  • Replacement Electric Brake Assemblies for Dual Axle Trailer with Different Capacity Brakes Installed
    I really am not sure why different rated brake assemblies would have been installed on your dual axle trailer, as this is definitely not recommended. The 023-105-00 part number you found for the left side assemblies refers to the Dexter 6,000 Pound # 23-105, while the 023-181-00 part number refers to the 7,000 pound # 23-181. When replacing the brakes, I do recommend replacing them with assemblies of matching capacity. I recommend verifying the axle capacity on your trailer so you...
    view full answer...
  • Converting Trailer from Surge Brakes to Electric Brakes
    First you will need to remove the old hydraulic equipment. Remove the surge coupler or actuator, remove all the lines, and finally remove the brake assemblies. If you have 10 inch diameter hub and drums, you may need to replace those as well. If you have 12 inch hub and drums, you can re-use them so long as they are in good shape. You will install your new electric brake assemblies, like part # 23-105 and part # 23-106. The magnets have 2 wire leads, one for ground, one for power. It...
    view full answer...
  • Trailer Brake Controller Shows No Connection to Trailer After Blown Tire
    I think I know what might have happened. When the tire let loose, it must have damaged the brake output circuit on your trailer. Each brake magnet has two leads, one that connects to the brake output circuit that leads to the trailer connector and ultimately to the brake controller. The other lead grounds to the trailer frame. If any of these wires has been severed, it'd cause the problem you describe. Start at the trailer connector, and trace the brake output circuit rearward to the...
    view full answer...
  • Replacement Hub and Brake Assemblies for 1966 Fan Camper Trailer
    Does your spindle have a brake mounting flange thats either a 4 or 5 bolt mounting pattern? If so, we probably can help you. If the mounting flange is a 5 bolt pattern and you have 6k axles the part # 23-105 and # 23-106 would most likely fit. Due to the age it probably would be a good idea to replace the hubs too. Based on the numbers it looks like you have a BTR spindle. For a brake drum you would need the part # 8-257-5UC3-EZ. Which means that the matching brake assemblies are part...
    view full answer...
  • How to Determine if Trailer Has Manual-Adjust or Self-Adjusting Electric Brakes
    If you look at the photo I've provided of a self-adjusting brake assembly, you'll see the adjuster cable highlighted. If your trailer brake assemblies feature that adjuster cable, you've got self-adjusting brakes. Each time the trailer brakes are applied, the assemblies will make small adjustments as necessary to keep the brakes properly adjusted.
    view full answer...
    Image 1 for
  • Troubleshooting Electric Trailer Brake Assembly That is Running Hot
    I would recommend completely ruling out the bearings by closely examining them and the spindle for discoloration caused by overheating. If you have determined that it is the brakes that are hot, and not the hub itself, I would recommend readjusting the brake assembly. What you are experiencing could certainly happen if the brake assembly was out of adjustment. To adjust the brake assembly, jack up trailer and secure on adequate capacity jack stands. Check that the wheel and drum rotate...
    view full answer...
  • Proper Orientation of Trailer Electric Brake Assemblies
    On a trailer electric brake assembly like the Dexter 6,000 Pound # 23-105 you were looking at the magnet itself should be at the bottom. The arm that is attached to the magnet should then be located on the front side of the trailer (towards the direction of travel). I hope this answers your question but if not please just let me know!
    view full answer...
    Image 1 for
  • Which Way Should Star Wheel Turn When Adjusting Dexter Electric Brakes
    You should be turning the star wheel up to tighten your electric brakes, as you mentioned. This could mean they are improperly mounted and I recommend taking a look at your brake assemblies to see how they were put on. You will need to disassemble your hub to do this but you'll want to make sure your brakes were correctly put on. I've added a link to a video which shows how 12" Dexter brakes should be installed for you to use as a reference.
    view full answer...

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