WABCO part numbers starting 542
| 542007 | Brake valve bracket | WABCO | ||
| 542223 | Flow control valve | WABCO | ||
| 542227 | Valve, check (valve, strainer and check) | WABCO | ||
| 542237 | Relay air valve | WABCO | ||
| 542291 | Strainer | WABCO | ||
| 542297 | Headed straight pin | WABCO | ||
| 542528 | Brake valve | WABCO | ||
| 542794 | Fluid valve stem | WABCO | ||
| 542842 | Brake valve | WABCO | ||
| 542922 | Distributing valve | WABCO | ||
| 542977 | Hose, air brake main reservoir (hoses and fittings, trainline air) | WABCO |