| 522070 | Cock assembly | WABCO | | |
| 522172 | Brake baffle | WABCO | | |
| 522201 | Compression helical spring | WABCO | | |
| 522288 | Compression helical spring | WABCO | | |
| 522313 | Compression helical spring | WABCO | | |
| 522346 | Compression helical spring | WABCO | | |
| 522392 | Valve seat | WABCO | | |
| 522394 | Valve seat | WABCO | | |
| 522417 | Hexagon plain nut | WABCO | | |
| 522436 | Piston bushing | WABCO | | |
| 522438 | Guide piston | WABCO | | |
| 522446X87017 | Relayai piston assy | WABCO | | |
| 522494 | O-ring | WABCO | | |
| 522512 | Valve seat | WABCO | | |
| 522525 | Socket head screw key | WABCO | | |
| 522550 | O-ring | WABCO | | |
| 522561 | Cup | WABCO | | |
| 522565 | Cupped diaphragm | WABCO | | |
| 522566 | Compression helical spring | WABCO | | |
| 522595 | Piston assembly | WABCO | | |
| 522754 | Gasket | WABCO | | |
| 522756 | Flow control valve | WABCO | | |
| 522757 | Valv inlet retainer | WABCO | | |
| 522758 | Gasket | WABCO | | |
| 522796 | Railway valve testing rack | WABCO | | |
| 522826 | Inlet valve | WABCO | | |
| 522827 | E controlair valve | WABCO | | |
| 522829 | Va haust e retainer | WABCO | | |
| 522980 | Diaphragm (valve, h-5 air) | WABCO | | |