Parts list: № Number Qty Name Options 1 BL15230 1 Pneumatic Trailer Brake Kit Next page: ST477429 Couplers, 2+1 Line Air Trailer Brake System ST832880 Lines / Fittings, 2 Lines Air Trailer Brake System ST833380 Valves / Coupler, 2 + 1 Line Air Trailer Brake System ST706872 Compressor Lines / Holder ST475362 Couplers, 2 Line Air Trailer Brake System, (For United Kingdom) ST833387 Valve / Coupler, 2 Line Trailer Brake System ST831721 Lines / Fittings, 2 + 1 Line Air Trailer Brake System ST465182 Couplers, 2 Line Air Trailer Brake System ST1005207 Lines / Fittings, Dual Line Air Trailer Brake System, Attachment ST833480 Air Brake Reservoir, Pneumatic Accumulator, W/O Mechanical Cab Suspension, 15 L