| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FISPA | 22544 | Direct Cross Interchange | 8 |
| SIDAT | 72544 | Direct Cross Interchange | 8 |
| VDO | 228235059002Z | Direct Cross Interchange | 5 |
| ALFA ROMEO | 50508454 | Direct Cross Interchange | 5 |
| AIRTEX | E10753M | Direct Cross Interchange | 5 |
| FIAT | 50508454 | Direct Cross Interchange | 3 |
| SIEMENS | A2C53211100 | Direct Cross Interchange | 3 |
| LANCIA | 50508454 | Direct Cross Interchange | 3 |
| FIAT | 55601671 | Direct Cross Interchange | 3 |
| MEAT & DORIA | 77101 | Indirect Cross Interchange | 9 |
| VDO | 228235059002 | Indirect Cross Interchange | 1 |