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: ST75313 Air Compressor Gasket Kit (Air Brake) ST121921 Trailer Brake Valve (Hydraulic) ST121919 Brake Valve Lines ST121899 STEERING VALVE LINES ST75316 TRAILER BRAKE VALVE ST551074 Hydraulic Trailer Brake Kit (W/ or W/O Autotrac) ST121904 Steering Cylinder ST75291 STEERING CYLINDER ATTACHING PINS (MFWD) ST121911 Brake Valve Overhaul Kit, Manual Backup ST75298 Brake Make-Up Check Valve