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: ST757967 Plug, W/O Hydraulic Trailer Brake ( - 119999) ST163382 Mounting Parts, Brake Valve ST757955 Pneumatic Trailer Brake, Single Line Air Trailer Brake ( - 119999) ST916002 Hydraulic Trailer Brake Kit (For CIS, Europe, North Africa, Near and Middle East), Attachment (120000 - ) ST885679 Brake Pedals, Dual, W/ Back Up Pump (Upper Position) (120000 - ) ST859884 Pneumatic Trailer Brake Assembly, W/ ACS™ (2/2) (120000 - ) ST914952 Hydraulic Trailer Brake (For North America, Australia and New Zealand), Attachment (120000 - ) ST761185 Oil Line, Rear Axle Brake Retractors (For US/ Mexico/ Canada) ST901120 Oil Line, Rear Axle Brake Retractors For Group 49 (For US/ Mexico/ Canada) ST757896 Hydraulic Trailer Brake Valve ( - 119999)