The 4524Q is a drum brake shoe widely used in the North American and global heavy-duty truck markets. It is a core component of the Meritor Q Series brake system.
Primary Applications: Widely used on the steer axles of heavy-duty trucks, semi-trailers, and commercial vehicles. It may also be used on drive axles or trailer axles for certain models.
Brake System Compatibility: Compatible with Meritor Q Series and Q Plus cam brake systems
Common Vehicle Models / Brands: Compatible with major North American truck brands such as Freightliner, Kenworth, Peterbilt, Volvo, and International.
Friction Material: Made from high-quality asbestos-free friction material. Meritor OEM products offer various lining grades such as MA210, MA212, and MA312 to meet different operating conditions and load requirements.
Back Plate Construction: Stamped and welded from high-strength steel. Key areas (cam contact surfaces, roller holes) undergo hardening treatment to enhance wear resistance and structural strength. Some products feature anti-corrosion coatings such as Platinum Shield III.
