Parts list: № Number Qty Name Options 1 R561462 2 Plate 2 R561606 2 Piston Rear Axle Brake Piston, C20 3 R562295 4 Plate 4 R562194 2 O-Ring 5 R562193 2 O-Ring 6 RE588455 4 Brake Disk 7 RE592782 6 Spring Assembly Next page: ST1012481 Brake Valve / Chassis Wiring Harness , W/ Air Trailer Brake (802001 - ) ST1012534 Trailer Brake Valve (802001 - ) ST1012477 Brake Valve / Chassis Wiring Harness , W/ Hydraulic Trailer Brake (802001 - ) ST953317 Oil Line, Rear Axle, W/ Air Trailer Brake or W/ Secondary Brake or W/ Hydraulic Trailer Brake ST1011572 Brake Valve, W/O Secondary Brake, W/ Hydraulic Trailer Brake ( - 802000) ST1011623 Brake Valve, W/ Air Trailer Brake 2 Lines, W/O Hydraulic Trailer Brake ( - 802000) ST974914 Trailer Brake Valve, W/O Secondary Brake, Hydraulic Trailer Brake Kit (Not for Europe / EAEU) (801001 - 802000)