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When your old trailer brakes start dragging or losing stopping power, these Dexter 10" x 2-1/4" electric drum brake assemblies make getting back on the road simple. They’re sold as a left- and right-hand set for one axle and use a standard 4-bolt mounting flange with holes spaced 2-7/8" apart on center. The assemblies fit 14", 14-1/2", and 15" wheels and are rated for a 3,500-lb axle, giving you dependable braking torque for common trailer setups.
Each assembly comes prebuilt and ready to bolt on—no need to piece together shoes, magnets, or springs. Mount them to your existing hub-and-drum setup, connect the two wires to your trailer brake circuit and ground, and you’re done. The included mounting hardware saves time, and adjuster plugs keep out dirt and road debris so everything stays clean inside the backing plate.
These brakes use a straightforward manual adjuster that lets you dial in the right amount of drag through the access holes on the backing plate. A few turns of the star wheel bring the shoes into proper contact with the drum. When you can’t spin your wheel by hand anymore, back it off about ten clicks for smooth, even braking. It’s quick to do in your own driveway with a flathead screwdriver or brake tool.
Dexter builds these assemblies with long-lasting friction material that’s fully bonded to the shoes instead of riveted. That means more consistent braking over time and less chance of uneven wear. The design also uses enclosed adjuster covers to protect internal parts from dust and grime during towing on rough roads or in wet conditions.
Because they’re electric drum brakes, all you need is a compatible electric brake controller (sold separately) to power them—no hydraulic lines or actuators required. Once installed, you can fine-tune braking force from the driver’s seat through your controller for smooth stops in all kinds of towing situations.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Brooke M.
7/15/2024
Thanks for the review! What you described here made me curious so I reached out to Dexter. They said it is a piece of What they call flashing from the plastic resin they inject into the magnet core to finish and secure the core and bobbin of the magnet into one solid piece. Occasionally due to temp/flow of material, and pressure they do get flashing where excess plastic can find its way around the metal can of the magnet and adhere to the back of the magnet can. This does not have any affect on the operation of the magnet its self or its electrical continuity.
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David, C.
8/31/2026
Nothing further to add. In this case , thats a good thing. Works as it should with zero problems. Buy USA.