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Swapping out old electric drum brakes for disc makes a noticeable difference in stopping power and consistency. This Dexter 10" hub-and-rotor kit fits 3,500-lb axles with a 4-bolt flange and 5 on 4-1/2" bolt pattern, built for 14" to 15" wheels. With cast iron calipers, a mounting bracket, hardware, bearings, and grease seal included, it’s ready to bolt on and go. The assembly is Dacromet coated for corrosion resistance that holds up in wet or coastal use.
Disc brakes have only one moving part compared with the many parts found in drum brakes. That means less maintenance and fewer parts to wear out. With this setup you get consistent braking torque even at highway speeds and much shorter stopping distances than drums can offer. The result is smoother, more predictable braking every time you tow.
Each hub-and-rotor unit is rated for a 3,500-lb axle and designed around common wheel bolt diameters of 1/2". Bearing sizes are matched to L68149 inner and L44649 outer bearings with races L68111 and L44610 for a precise fit. The seal RG06-050 (1.719" inner diameter, 2.565" outer diameter) completes the setup so the hub spins freely under load without leaks or contamination.
Everything about this design makes home installation approachable. The caliper bracket attaches directly to the axle’s brake flange, the hub slides onto the spindle with supplied bearings and seal, and the caliper bolts right up before connecting the brake line. Just pair it with an actuator capable of 1,500 psi line pressure—required for disc brakes—and you’re set for reliable electric-over-hydraulic or surge operation season after season.
Customer Satisfaction Score:
90% were satisfied with this product
10% of customers were not satisfied
Ratings & Reviews
Lazer S.
9/19/2025
Hi Carl. I just wanted to let you know Dexter is getting a replacement caliper sent out to you. It's going FedEx Ground out of Atlanta, so it will take a few days, but it is on its way. I know this wasn't a great experience with us, but if you do need anything else, just let me know.
Katrina D.
6/4/2024
Oh wow, its good that you caught it in time. I am sorry that the pistons started sticking after using them and you had to do an emergency repair. Lets get a return processed for you.
Do you have a question about this Trailer Brake?
Info for this part was:
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Lazer S.
9/16/2025
Sorry to hear the issues and service you received, Carl. We do pride ourselves on our customer service, but it looks like we dropped the ball here, and for that I sincerely apologize. We don't currently have any stock for this, but I am contacting Dexter to see if they have any of the calipers to ship out to you. I will let you know as soon as I hear anything from them. Again, I apologize for this continued inconvenience and I will do my best to try and make it right.