Parts list: № Number Qty Name Options 1 RE292439 2 Brake Disk 2 RE304936 6 Spring Assembly 3 R305833 2 Brake 4 R125666 2 Ring 5 R125667 2 Ring 6 R334180 2 Brake 7 R324914 2 Plate Next page: ST752422 Rear Air Trailer Brakes, 425 mm Differential Case ( - 083186) ST812674 Manifold, Hydraulic Trailer Brake ( - 093999) ST898304 Air Compressor and Lines, IVT™ / e23™, W/O Hydraulic Trailer Brakes (094000 - ) ST888157 Brake Valve, W/ Air Trailer Brake, W/O Hydraulic Trailer Brake (094000 - ) ST752190 Plug, W/O Air trailer Brake, W/O Cab Suspension ( - 093999) ST794920 Rear Air Trailer Brakes, 425 mm Differential Case (083187 - 090669) ST889426 Rear Brake Lines, W/O Secondary Brake, Group 47/48 Tires (094000 - ) ST885677 Brake Pedals, Dual, W/ Back Up Pump (Upper Position) (094000 - ) ST896213 Brake Line and Fittings, CommandQuad™, W/ ACS™, W/ Brake Retractors, Back Up Pump and Accumulator, Group 47/48 Tires (094000 - 103000) ST902619 Attachment, Hydraulic Trailer Brake (094000 - )