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: ST993349 Brake Valve, Chassis Wiring Harness, W/ Hydraulic Trailer Brake ( - 120004) ST959057 Brake Valve, IVT™, W/ Secondary Brake, W/O Air Trailer Brake, W/O Hydraulic Trailer Brake, W/O Front Axle Brakes ST962328 Brake Valve, IVT™, W/ Hydraulic Trailer Brake ( - 120004) ST972349 Hydraulic Trailer Brake Kit, (For Region 2 and Region 4) ST993352 Brake Valve, W/ Hydraulic Trailer Brake ST963792 Rear Axle Brakes, W/ 472 mm Differential Housing, W/ Rear Brake Retractors, LH Illustrated ST962324 Brake Valve, Chassis Wiring Harness, W/ IVT™, W/ Hydraulic Trailer Brake ( - 120004) ST959112 Brake Valve, Chassis Wiring Harness, W/ Air Trailer Brake ( - 120004) ST1010418 Brake Valve, W/ Air Trailer Brake (120005 - ) ST1010416 Brake Valve, Chassis Wiring Harness, W/ Air Trailer Brake (120005 - )