AppliCation: For parking brakes and drum service brakes of equipment equipped with 3412 engines. The complete kit includes friction linings, rivets, retaining springs, bushings and all other mounting accessories, eliminating the need for separate purchases of small spare parts. Material: Asbestos-free high-friction composite material, featuring high temperature resistance and outstanding wear resistance, designed for heavy-duty parking brake operations of diesel generator sets. Replacement Feature: Genuine Cat all-in-one service kit for direct full-kit replacement during maintenance. It resolves common faults including worn brakes, insufficient braking force and abnormal brake noises.