WABCO part numbers starting D12
| D1200APC20 | Compression helical spring | WABCO | ||
| D1204APC38 | Compression helical spring | WABCO | ||
| D1204APC41 | Compression helical spring | WABCO | ||
| D1204APC52 | Dust and moisture seal boot | WABCO | ||
| D1204APC61 | Compression helical spring | WABCO | ||
| D1204APC67 | Controlai diaphragm | WABCO |