FMSI 4524 Friction Blocks

Crafted for Class 7–8 interstate freight tractors, drop-deck trailers, intermodal container chassis, and severe-duty vocational rigs across North America, these Brake Linings FMSI 4524 provide a premium foundation reline solution. Precision-molded for 16.5" x 7" commercial foundation drum brake shoes, this low-metallic non-asbestos friction block set delivers responsive air-brake stopping power, outstanding high-temperature fade resistance, and balanced drum life under demanding highway payload operations.

Engineered for Class 7–8 long-haul tractors, intermodal dry freight vans, and commercial trailers across North America, these Brake Linings FMSI 4524 deliver a premium wheel-end friction solution. Purpose-built to fit 16.5" x 7" standard commercial brake shoes, this heavy-duty friction block set provides smooth pneumatic deceleration, superior resistance to thermal fade, and balanced drum life under demanding highway payload operations.