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: ST75726 Pivot Release Pedal, Steering Column ST551074 Hydraulic Trailer Brake Kit (W/ or W/O Autotrac) ST558294 Hydraulic Trailer Brake Kit (W/ or W/O Air Brake) ST121921 Trailer Brake Valve (Hydraulic) ST121919 Brake Valve Lines ST121900 Wiring Harness , AutoTrac™ ST75303 BRAKE VALVE ATTENUATOR ST75298 Brake Make-Up Check Valve ST846520 Control Support, Front, Steering Column ST75327 Brake Cooling Valve Lines (50K/IVT/ILS)