- New
RT4302 is a Thibert right-hand electric brake assembly designed for compatible 3,500 lb trailer axles. It measures 10" x 2-1/4" and is intended as a replacement brake assembly for trailer applications using these specifications. This assembly provides electrically actuated braking when connected to a compatible trailer brake controller and axle system. Verify the axle capacity, brake dimensions and left/right-hand orientation before ordering to ensure proper fit.