Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12-1/4" - Right Hand - 12K

Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12-1/4" - Right Hand - 12K

Item # 23-443

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Dexter Axle Trailer Brakes - 23-443
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12-1/4" x 5" Passenger's-side electric trailer brake assembly fits 12,000-lb axles. Mounting flange has 7-bolt pattern. Self-adjusting brakes require little maintenance. Fits 15" or larger wheels. Call 800-298-8924 to order Dexter Axle accessories and parts part number 23-443 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 - Self-Adjusting - 12-1/4" - Right Hand - 12K. Accessories and Parts reviews from real customers.
  • All Info
  • Reviews (4)
  • Q & A (3)
  • Videos (1)
  • Photos
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Dexter Axle Accessories and Parts - 23-443

  • Trailer Brakes
  • Electric Drum Brakes
  • Dexter Axle
  • Brake Assembly
  • 12-1/4 x 5 Inch Drum
  • RH
  • Self Adjust
  • 12000 lbs

12-1/4" x 5" Passenger's-side electric trailer brake assembly fits 12,000-lb axles. Mounting flange has 7-bolt pattern. Self-adjusting brakes require little maintenance. Fits 15" or larger 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
  • 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 sold separately
  • Made in the USA


Specs:

  • Application: most standard hub-and-drum assemblies, including Dexter and Lippert (LCI)
  • Configuration: right hand (passenger's side)
  • Dimensions: 12-1/4" diameter x 5" wide
  • Mounting flange bolt pattern: 7 bolt
  • Wheel size: 15" or larger
  • Axle rating: 12,000 lbs
  • Limited 5-year warranty


K23-443-00 Dexter Electric Brake Assembly, RH 12-1/4" x 5" - Self Adjust - 12,000 lbs

Replaces 23-443







Video of Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12-1/4" - Right Hand - 12K


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




Video Transcript for Dexter Axle Trailer Brakes 23-443 Review

We're going to look at the Dexter 12 1/4 inch by 5 inch passenger side self-adjust electric brake assembly for 12,000 pound axles. These electric brakes are easier to install. They offer more control than hydraulic brakes. They do require only an in-line brake controller, which we do sell separately. You don't have to worry about any actuator or hydraulic lines. The size of this is 12 1/4 inch by 5 inch and this is the passenger side electric trailer brake assembly. The size on this, when they say 12 1/4 by 5, the 12 1/4 would be measured the diameter from this edge to this edge of the pad.

If we put a ruler on that you can see I had 12 1/4 the diameter and then the 5 inch would be the width of the pad. If we put a ruler on that, you can see 5 inch. Again, this is a right-hand passenger side assembly. The way you can tell that on a new assembly, of course, you'll get a tag on it that will say right-hand or left-hand, but if that tag wasn't on there, if you're just looking at the assembly, the easiest way to tell is just to look at the shoe or the pad length. You can see the pad here goes here all the way to here. If we flip it over here, the pad goes from here to here.

This actually is a shorter pad and the shorter pad is your primary shoe. That's made to always face the front of the trailer. This is facing the front, you can see that this is the left-hand side, I'm sorry, the right-hand side passenger side assembly. That's the easiest way to tell. The friction material on this is fully bonded, it's not riveted to the shoes. Gives a lot longer life, more braking torque.

This is a self-adjusting brake. You can see the cable right here goes over a pulley and hooks to this lever that will adjust the adjuster down here. A self-adjusting brake does not require periodic manual adjustment like your standard brakes. After your installation, you make your initial adjustment and they will self-adjust as you go. This has a durable cast backing plate to it. If we flip it around to the back you can see it is designed to fit the seven-bolt freight mounting flange.

One, two, three, four, five, six, seven. The mounting hardware is not included but we do sell that separately on our web site. This brake assembly is certified by U.S. SAE standards. Again, the dimensions we mentioned is 12 1/4 by 5 inches wide. Weight rating on this assembly is 6,000 pounds, so when this is used with one on the other side of the axle, it will meet your 12,000 pound axle rating. Again, it's a right-side passenger side. This will use 12 1/4-inch brake drums. The last thing is because these are electric brakes, you'll notice in the back there's two black wires that come out. They need to be connected. One will go to the brake feed, one will go to the ground. You can use either wire for either function. They're both black wires. That should do it for the review on the Dexter 12 1/4 inch by 5 inch passenger side self-adjust electric brake assembly for 12,000 pound axles.


Customer Reviews

Dexter Electric Trailer Brake Assembly - Self-Adjusting - 12-1/4" - Right Hand - 12K - 23-443

Average Customer Rating:  4.8 out of 5 stars   (4 Customer Reviews)

12-1/4" x 5" Passenger's-side electric trailer brake assembly fits 12,000-lb axles. Mounting flange has 7-bolt pattern. Self-adjusting brakes require little maintenance. Fits 15" or larger wheels.

- 23-443
by:

These brake kits were exactly as described. Easy to install. Just bolt on and go! 497146



- 23-443
by:

Worked great easy to install now my trailer stops my truck 474884



- 23-443
by:

Purchased for our stock. Product matches perfectly and shipping was very prompt. 193352



- 23-443
by:

excellent customer service!! 120329


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Ask the Experts about this Dexter Axle Accessories and Parts

Do you have a question about this Accessories and Part?


  • Brake Assemblies Compatible With Dexter 12,000 lb Axles
  • Yes, the Electric Trailer Brake Assembly # AKEBRK-12R for the right hand and # AKEBRK-12L For the left had are confirmed to fit your Dexter 12K Axles. They are comparable to the Dexter Assemblies # 23-442 and # 23-443. You may also be interested in the Brake Adjustment Spoon for Drum Brakes # W80630 to adjust your brake assemblies.
    view full answer...

  • Comparison of Dexter Axle and Axle Technology 12,000 Pound Brake Assemblies
  • Dexter Axle has the brand recognition so that will definitely weigh more in their favor. Axle Technology isn't as well known even though their parts are very common on trailers but they're mostly used buy trailer manufacturers. So their parts often come on trailers but aren't as commonly used when someone is buying replacement parts. The Axle Technology brakes, like # AKEBRK-12R for the right and # AKEBRK-12L for the left, are good quality brakes and some of our installers here even...
    view full answer...

  • After Replacing Brake Magnets Trailer Brakes Are Weak
  • Nine times out of ten, the issue is that the brakes need to be adjusted. You will need to adjust the brakes out to where you can hear a slight but constant drag of the pads on the drums. If the brakes are properly adjusted then it could be that the new magnets are not the right size for the brake assemblies or the assemblies themselves are not rated high enough for the 12K axles. For 12K Dexter axles you should be using # 23-442 for the left side and # 23-443 for the right side. Check...
    view full answer...


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Info for this part was:

Updated by:
Lindsey S
Updated by:
Sarah W
Updated by:
Alexander C
Installed by:
Jeff D

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