Heavy Duty Commercial Brake Hardware

Engineered for Class 7–8 commercial tractors, freight trailers, refuse haulers, and vocational fleets across North America, the 4707 Repair Kit provides a comprehensive foundation hardware overhaul set for heavy-duty drum brakes. Designed for broad compatibility across popular Q and Q-Plus brake profiles, this kit services 4515, 4515Q, 4515X, CA32/4516Q, CA33/4718Q, 4707Q, 4705, 4711Q, 4702, and 4710 brake shoes. Each box bundles high-tensile dual-spring return systems, quick-fit anchor pin retention clips, precision-ground cam rollers, and anti-friction bushings to restore balanced mechanical return action, stop shoe drag, and minimize fleet PM turnaround time.