Driver's-side and passenger's-side electric trailer brake assemblies measure 10" x 2-1/4" and fit 4,400-lb axles. Mounting flanges have 4-bolt pattern. Nev-R-Adjust brakes require little maintenance. Fit 14" to 15" wheels.

10" x 2-1/4" Driver's-side and passenger's-side electric trailer brake assemblies fit 4,400-lb axles. Mounting flanges have a 4-bolt pattern. Fit 14" to 15" wheels.

10" x 2-1/4" Driver's-side and passenger's-side electric trailer brake assemblies fit 4,400-lb axles manufactured prior to May 2009 that have a 2.83" x 2.83" brake mounting flange. Fit 14" to 15" wheels.

Driver's-side electric trailer brake assembly measures 10" x 2-1/4" and fits 4,400-lb axles. Mounting flange has 4-bolt pattern. Fits 13" to 15" wheels.

Passenger's-side electric trailer brake assembly measures 10" x 2-1/4" and fits 4,400-lb axles. Mounting flange has 4-bolt pattern. Fits 13" to 15" wheels.

Driver's-side and passenger's-side electric trailer brake assemblies measure 10" x 2-1/4" and fit 4,400-lb axles. Mounting flanges have 4-bolt pattern. Fit 14" to 15" wheels.