| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MEAT & DORIA | 76512 | Direct Cross Interchange | 14 |
| HOFFER | 7506512 | Direct Cross Interchange | 12 |
| BOSCH | 0580313079 | Direct Cross Interchange | 9 |
| FIAT | 46837429 | Direct Cross Interchange | 8 |
| FIAT | 46752003 | Direct Cross Interchange | 8 |
| AIRTEX | E10425M | Direct Cross Interchange | 7 |
| MAGNETI MARELLI | 519031309979 | Direct Cross Interchange | 6 |
| MESSMER | 775084 | Direct Cross Interchange | 6 |
| KAGER | 520225 | Direct Cross Interchange | 5 |
| ALFA ROMEO | 46837429 | Direct Cross Interchange | 3 |
| ALFA ROMEO | 46752003 | Direct Cross Interchange | 3 |
| MAGNETI MARELLI | SUA541 | Direct Cross Interchange | 3 |
| ERA | 775084 | Direct Cross Interchange | 3 |
| LANCIA | 46837429 | Direct Cross Interchange | 3 |
| LANCIA | 46752003 | Direct Cross Interchange | 3 |
| FISPA | 22143 | Indirect Cross Interchange | 13 |
| DELPHI | FE1016412B1 | Indirect Cross Interchange | 7 |
| ACI - AVESA | ABG626 | Indirect Cross Interchange | 3 |
| MESSMER | 775084 | Indirect Cross Interchange | 1 |