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: ST962256 Brake Valve, W/ IVT™, W/ Front Brakes, W/O Trailer Brakes ST972349 Hydraulic Trailer Brake Kit, (For Region 2 and Region 4) ST963797 Rear Brake Oil Lines ST959116 Brake Valve, W/ Air Trailer Brake ( - 120004) ST1010421 Brake Valve, Chassis Wiring Harness, W/ Hydraulic Trailer Brake (120005 - ) ST962349 Brake Valve, PST, W/O Secondary Brake, Air Trailer Brake and Hydraulic Trailer Brake, W/ Front Axle Brake