Compatible with 12-1/4" 10K Trailer Brakes Designed to fit most 9,000–10,000 lbs electric trailer brake assemblies, including Dexter, Alko, Lippert, and Rockwell.
Reliable Braking Performance Delivers smooth, consistent stopping power—ideal for heavy-duty towing and long-distance hauls.
Complete Replacement Kit Includes 2 brake magnets with wires, 2 return coil springs, and 2 retainer clips—everything needed for a full replacement.
OEM-Quality Replacement Cross-references Rockwell part number 4738-23 and other industry-standard electric brake magnet assemblies.
Built by TrailerSupplies Quality-tested components built to meet or exceed OEM standards. Trusted by trailer professionals across the U.S.
Description
TrailerSupplies 12-1/4” Electric Brake Magnet Replacement Kit is engineered to restore braking power to your 9K–10K lb trailer axle systems. Designed for direct replacement, it fits a wide range of brake assemblies from top brands like Dexter, Alko, Lippert, and Rockwell. The kit includes two brake magnets with wires, two return springs, and two retainer clips—providing a full set for hassle-free installation. Each component is built to withstand the demands of heavy-duty towing and harsh road conditions. A perfect OEM replacement for Rockwell part number 4738-23, this kit delivers strong and reliable braking when you need it most. Backed by TrailerSupplies' commitment to quality and customer satisfaction.