Parts list: № Number Qty Name Options 1 R46862 4 Spring 2 R125666 2 Ring 3 R125667 2 Ring 4 R552437 2 Piston SUB FOR R211948 5 RE292439 2 Brake Disk 6 R552436 2 Plate SUB FOR R344689 Next page: ST782143 Attachment, Pneumatic Trailer Brake, Single Line Air Trailer Brake ( - 119999) ST918530 Compressor Lines, Pneumatic Trailer Brake, T2/ T3 Engines (130001 - ) ST761185 Oil Line, Rear Axle Brake Retractors (For US/ Mexico/ Canada) ST761210 Valve, W/ O Secondary Brakes, W/ Air Trailer Brakes ( - 119999) ST763393 Fitting, W/ O Brake Retractors ST1030927 Hydraulic Trailer Brake Kit (For CIS, Europe, North Africa, Near and Middle East), Attachment (120000 - ) ST288174 Air Trailer Brake Compressor Gasket Kit ST757872 Oil Line, W/ Hydraulic Trailer Brakes, W/O ActiveSeat™ ( - 119999) ST757912 Fitting, W/O Front and Trailer Brakes ST885679 Brake Pedals, Dual, W/ Back Up Pump (Upper Position) (120000 - )