| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FISPA | 22142 | Direct Cross Interchange | 9 |
| SIDAT | 72142 | Direct Cross Interchange | 9 |
| FIAT | 46765167 | Direct Cross Interchange | 6 |
| BOSCH | 0580303013 | Direct Cross Interchange | 6 |
| AIRTEX | E10427M | Direct Cross Interchange | 5 |
| MAGNETI MARELLI | 519030309913 | Direct Cross Interchange | 5 |
| LANCIA | 46765167 | Direct Cross Interchange | 3 |
| ALFA ROMEO | 46765167 | Direct Cross Interchange | 3 |
| ERA | 775071 | Direct Cross Interchange | 3 |
| MAGNETI MARELLI | SUA527 | Direct Cross Interchange | 3 |
| MEAT & DORIA | 76499 | Indirect Cross Interchange | 10 |
| PIERBURG | 702701560 | Indirect Cross Interchange | 4 |
| MESSMER | 775071 | Indirect Cross Interchange | 4 |
| ACI - AVESA | ABG624 | Indirect Cross Interchange | 2 |
| MESSMER | 775071 | Indirect Cross Interchange | 1 |
| MESSMER | 775000 | Indirect Cross Interchange | 1 |