Parts list: № Number Qty Name Options 1 RE304936 6 Spring Assembly W/ Brake Retractor 2 R125666 2 Ring 3 R125667 2 Ring 4 R305833 2 Brake 5 R324914 2 Plate 6 R334180 2 Brake 7 RE591216 2 Brake Disk Next page: ST993349 Brake Valve, Chassis Wiring Harness, W/ Hydraulic Trailer Brake ( - 120004) ST963797 Rear Brake Oil Lines ST959112 Brake Valve, Chassis Wiring Harness, W/ Air Trailer Brake ( - 120004) ST958862 Brake Valve, PST / e23™, W/O Secondary Brake, W/O Trailer Brake, W/O Front Axle Brake ST962324 Brake Valve, Chassis Wiring Harness, W/ IVT™, W/ Hydraulic Trailer Brake ( - 120004) ST1010416 Brake Valve, Chassis Wiring Harness, W/ Air Trailer Brake (120005 - ) ST959116 Brake Valve, W/ Air Trailer Brake ( - 120004) ST1010418 Brake Valve, W/ Air Trailer Brake (120005 - ) ST962256 Brake Valve, W/ IVT™, W/ Front Brakes, W/O Trailer Brakes