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: ST972349 Hydraulic Trailer Brake Kit, (For Region 2 and Region 4) ST958862 Brake Valve, PST / e23™, W/O Secondary Brake, W/O Trailer Brake, W/O Front Axle Brake ST993352 Brake Valve, W/ Hydraulic Trailer Brake ST959057 Brake Valve, IVT™, W/ Secondary Brake, W/O Air Trailer Brake, W/O Hydraulic Trailer Brake, W/O Front Axle Brakes ST962256 Brake Valve, W/ IVT™, W/ Front Brakes, W/O Trailer Brakes PICT-RAD.1 RAD Brakes, Rear Axle