Parts list: № Number Qty Name Options 1 R125666 2 Ring 2 R125667 2 Ring 3 R344689 2 Plate 4 R211948 2 Piston 5 RE591216 2 Brake Disk Next page: ST959112 Brake Valve, Chassis Wiring Harness, W/ Air Trailer Brake ( - 120004) ST963797 Rear Brake Oil Lines ST993349 Brake Valve, Chassis Wiring Harness, W/ Hydraulic Trailer Brake ( - 120004) ST1010421 Brake Valve, Chassis Wiring Harness, W/ Hydraulic Trailer Brake (120005 - ) ST1010418 Brake Valve, W/ Air Trailer Brake (120005 - ) ST962349 Brake Valve, PST, W/O Secondary Brake, Air Trailer Brake and Hydraulic Trailer Brake, W/ Front Axle Brake ST1010416 Brake Valve, Chassis Wiring Harness, W/ Air Trailer Brake (120005 - ) ST959116 Brake Valve, W/ Air Trailer Brake ( - 120004) ST962236 Brake Valve, PST, W/O Secondary Brake, W/ Hydraulic Trailer Brake ( - 120004) ST962240 Brake Valve, PST, W/O Secondary Brake, W/ Hydraulic Trailer Brake ( - 120004)