Parts list: № Number Qty Name Options 1 19M7139 2 Cap Screw M8 X 20 2 AL220323 1 Pneumatic Control Valve 3 RE572471 1 Control Valve 4 19M7660 2 Screw M8 X 20 5 19M7797 1 Screw M6 X 40 6 AL209663 1 Check Valve 7 14M7274 1 Nut M10, USE WITH AL220769 8 AL220769 1 Support 9 AL230450 1 Support Next page: ST894879 Wiring Harness, Air Trailer Brake ST902923 Couplers, 2 Line Air Trailer Brake System, (For United Kingdom) ST919585 Accumulator / Control Valve / Air Compressor / Lines, 2 Line Air Trailer Brake System, W/O Front Wheel Brake, Attachment ST853601 Oil Line / Fittings, 2+1 Line Air Trailer Brake System, W/O Power Fill Brake ST831310 Compressor Lines / Holder/ Fittings ST888156 Valves, Couplers, 2+1 Line Air Trailer Brake System, W/ Front Axle Brake ST888111 Valves, Couplers, 2+1 Line Air Trailer Brake System, W/O Front Axle Brake ST887039 Oil Line / Fittings, 2+1 Line Air Trailer Brake System, W/ Power Fill Brake ST885785 Lines / Fittings, 2 Line Air Trailer Brake System, W/ Mechanical Handbrake ST885771 Lines / Fittings, 2+1 Line Air Trailer Brake System, W/ Mechanical Handbrake