Parts list: № Number Qty Name Options 1 R211951 2 Plate (40K) 1 R252954 2 Plate (50K) 2 RE292439 2 Brake Disk 3 R211948 2 Piston 4 R125667 2 Ring 5 R125666 2 Ring 6 R232883 6 Compression Spring Next page: ST75315 AIR BRAKE LINE (REAR) ST121892 Steering Valve ST121891 Steering Wheel ST121894 STEERING SHAFT (AUTOTRAC) ST121911 Brake Valve Overhaul Kit, Manual Backup ST152276 Air Brake Control Valve ST121915 Brake Pedals / Brackets, PST ST75299 Electro Hydraulic Steering Control Unit (EH Valve) ST153353 Air Brake Couplers ST75287 Wiring Harness, AutoTrac™ (ILS)