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Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12" - Left Hand - 8,000 lbs

Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12" - Left Hand - 8,000 lbs

Item # K23-532-00
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Dexter Axle Trailer Brakes - K23-532-00
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12" x 3-3/8" Driver's-side electric trailer brake assembly fits 8,000-lb AL-KO / Hayse axles. Mounting flange has a 4-bolt pattern. Self-adjusting brakes require little maintenance. Fit 16" or larger wheels. 1-800-940-8924 to order Dexter Axle accessories and parts part number K23-532-00 or order online at Free expert support on all Dexter Axle products. Guaranteed Lowest Price and Fastest Shipping for Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12" - Left Hand - 8,000 lbs. Accessories and Parts reviews from real customers.
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  • Reviews (4)
  • Q & A (0)
  • Videos (1)
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Dexter Axle Accessories and Parts - K23-532-00

  • Trailer Brakes
  • Electric Drum Brakes
  • Brake Assembly
  • 12 x 3-3/8 Inch Drum
  • Dexter Axle
  • LH
  • Self Adjust
  • 8000 lbs

12" x 3-3/8" Driver's-side electric trailer brake assembly fits 8,000-lb AL-KO / Hayse axles. Mounting flange has a 4-bolt pattern. Self-adjusting brakes require little maintenance. Fit 16" or larger wheels.


  • 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
  • Self-adjusting brakes automatically adjust to deliver optimum performance and braking power
    • No need for manual brake adjustments
    • Proper adjustment leads to better brake efficiency and less wear on your tow vehicle's brakes
  • Mounting bolts and hardware included
    • Adjuster plugs sold separately
  • Made in the USA


  • Application: most standard hub-and-drum assemblies including Dexter, Lippert (LCI), and AL-KO/Hayes
  • Configuration: left hand (driver's side)
  • Dimensions: 12" diameter x 3-3/8" wide
  • Mounting flange bolt pattern: 4 bolt
    • Fits AL-KO / Hayse axles only
  • Wheel size: 16" or larger
  • Axle rating: 8,000 lbs

K23-532-00 Dexter Axle 12" x 3-3/8" Electric Brake Assembly - Self-Adjusting - Drivers Side - 8K AL-KO / Hayse Axles - LH

Video of Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12" - Left Hand - 8,000 lbs

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

Video Transcript for Review of Dexter Axle Trailer Brakes - Left Hand Electric Brake Assembly - K23-532-00

Ellen: Hey, everyone. I'm Ellen here at and we're going to be taking a quick look at the Dexter electric brake assembly.This is for the left hand side or the driver's side of your trailer, and this makes a great improvement over your typical surge brake or hydraulic brake assembly. The nice thing about electric brakes is that it's going to give you a really good stop . give you really good stopping power, but without the need to run any kind of hydraulic lines, which can be messy and cumbersome. Can take a lot of maintenance to keep those maintained, so this makes it a bit easier. Of course, with an electric brake assembly or electric brakes, you are going to need to have a brake controller for your vehicle that you're actually towing with, so that is something to keep in mind.

The only other thing you'll have to do besides put this on your axle or put it on your wheel assembly is to connect the power here. There's going to be two wires at the back to connect up to power and ground.Let's take a closer look at this assembly to make sure that it's the right fit for your particular application. This brake assembly, again, is for the left hand side. It's for a 8,000 pound axle rating. And it has our magnet at the bottom, which is going to provide that stopping force.

On either side, we'll have our brake shoes. These are bonded to the actual housing rather than being riveted, so you don't have to worry about them coming off or causing any damage once they wear down. A lot of times with the riveted style, that rivet can then be a point that will tear into the hub assembly, so these are instead bonded to it. They follow the contour of the whole brake assembly, and they are cut at an angle. Here's their chamfer at the edge, which gives them a better braking force and reduces the risk of those crumbling up and breaking out.The hardware is included with this, the nuts to go on the back, and there is a backing plate, which is plastic.

And some people might think that that's a bad thing, but it actually is kind of nice because then it prevents any risk of there being corrosion back here. With a metal plate that's always an issue, so the backing plate being plastic is going to keep that from happening and keep it from getting any kind of corrosion on the rest of the assembly. Now, this is a . or a self-adjusting brake assembly, so you don't have to manually adjust the braking tension. It should tighten up on its own.

You can make adjustments if it's grabbing too much at first, or make that initial adjustment using the little wheel at the bottom. The plugs for that to plug up this backing plate are sold separately. They just keep out any kind of water from getting in through those little slots at the back where you would make those adjustments. You can purchase those if you'd like. Again, they are sold separately.This is made in the USA. The bolt pattern that this will fit onto, or the mounting flange, full Patterson, is a four bolt assembly. It fits AL-KO or Hayse axles only. The wheel size that this will work with is 16" or larger. Again, the axle rating is 8,000 pounds. This will work with most hub and drum assemblies, including Dexter, Lippert, or LCI and AL-KO or Hayse assemblies. Again, this is the driver's side. It is a 12" diameter and 3-3/8" wide.That's pretty much all there is to it for our look at the Dexter trailer axle brake assembly. If you need the right hand side, that is listed as a related product on the product page here at, so you'll want to pick that up at the same time so they ride the same. But I hope this has been helpful in deciding if this is the right one for you. Again, I'm Ellen here at Thanks for watching.

Customer Reviews

Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12" - Left Hand - 8,000 lbs - K23-532-00

Average Customer Rating:  5.0 out of 5 stars   (4 Customer Reviews)

12" x 3-3/8" Driver's-side electric trailer brake assembly fits 8,000-lb AL-KO / Hayse axles. Mounting flange has a 4-bolt pattern. Self-adjusting brakes require little maintenance. Fit 16" or larger wheels.


Brakes fit as they should. Worked well with no issues


the company answered all my question and got back to to me in a short time everything worked fine thank you


The part is exactly what I needed. Thanks for the help


it worked fine ordered 3 more hope it all works out great


See what our Experts say about this Dexter Axle Accessories and Parts

  • What Size are Dexter Electric Brakes for 8,000 lb AL-KO/Hayes Axles
    I checked the sizes for you, and both of these electric brakes are in fact 12" diameter x 3-3/8" wide: - Left Hand Side: Dexter Electric Trailer Brake Assembly # K23-532-00 - Right Hand Side: Dexter Electric Trailer Brake Assembly # K23-533-00 They also come in a set, the Dexter Electric Trailer Brake Kit # K23-532-533-00 These are a only a fit for the 4-bolt mounting flange on 8,000 lb AL-KO / Hayes axles.
    view full answer...
  • Mounting Hole Pattern For Dexter Electric Trailer Brake Assembly # K23-532-00 & K23-533-00
    The Dexter Electric Trailer Brake Assembly # K23-532-00 has a square mounting pattern with the bolt holes centers being 3-3/4" on center. This particular assembly is for the drivers side of the 8,000-lb AL-KO / Hayes axle. We also have the Passenger Side # K23-533-00 available individually or you can purchase the Dexter Electric Trailer Brake Kit # K23-532-533-00 to have both sides for one axle.
    view full answer...
    Image 1 for
  • Replacement Brake Assemblies for Hayes 8k Trailer Axles
    Since we know you have a Hayes 8k axle on your trailer we do know that the correct brake assembly is the part # K23-532-00 for the driver side and the part # K23-533-00 for the passenger side. There would be no need to measure and compare anything as these have the correct 4 bolt pattern that Hayes axles use for their brake assemblies.
    view full answer...

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Info for this part was:

Employee Jameson C
Expert Research:
Jameson C
Employee Kathleen M
Installed by:
Kathleen M
Employee Cole B
Installed by:
Cole B
Employee Wilson B
Updated by:
Wilson B
Employee Alexander C
Updated by:
Alexander C
Employee Hannah L
Written by:
Hannah L

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