Parts list: № Number Qty Name Options 1 AL68571 1 Hitch Coupling (Red) (2 - Line System) 2 AL217439 1 Quick Coupler (Yellow) (2 - Line System) SUB FOR AL68572 APPL 3 L215131 1 Screen USE WITH AL217439 Next page: ST1024690 Valves, Couplers, 2 Line Air Trailer Brake System, W/O Front Axle Brake (110439 - 673928) ST991616 Lines / Fittings, Compressed Air Reservoir (673929 - 999999), (100001 - 127217) ST881889 Valves, Couplers, 2 Line Air Trailer Brake System, W/O Front Axle Brake (673929 - 999999), (100001 - 110438) ST1041957 Compressed Air Reservoir / Pneumatic Accumulator, Air Trailer Brake, W/ Cab Cleaning Function (127218 - 673928) ST902923 Couplers, 2 Line Air Trailer Brake System, (For United Kingdom) ST919389 Accumulator / Control Valve / Air Compressor / Lines, 2 Line Air Trailer Brake System, W/ Front Wheel Brake, Attachment ST885948 Lines / Fittings, 2 Line Air Trailer Brake System ST477429 Couplers, 2+1 Line Air Trailer Brake System ST1041945 Pneumatic Accumulator, Air Trailer Brake, W/ Hydraulic Cab Suspension (127218 - 673928) ST885912 Lines / Fittings, 2+1 Line Air Trailer Brake System