| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MEAT & DORIA | 76937 | Direct Cross Interchange | 11 |
| HOFFER | 7506937 | Direct Cross Interchange | 10 |
| FIAT | 51741423 | Direct Cross Interchange | 8 |
| BOSCH | 0580314107 | Direct Cross Interchange | 7 |
| KAGER | 520294 | Direct Cross Interchange | 6 |
| AIRTEX | E10474M | Direct Cross Interchange | 6 |
| MAGNETI MARELLI | 519031419907 | Direct Cross Interchange | 4 |
| MESSMER | 775267 | Direct Cross Interchange | 4 |
| ALFA ROMEO | 51741423 | Direct Cross Interchange | 3 |
| ERA | 775267 | Direct Cross Interchange | 3 |
| LANCIA | 51741423 | Direct Cross Interchange | 3 |
| MAGNETI MARELLI | SUA550 | Direct Cross Interchange | 3 |
| FISPA | 22290 | Indirect Cross Interchange | 11 |
| KAUTEX | 751922031 | Indirect Cross Interchange | 2 |
| FIAT | 0580314107 | Indirect Cross Interchange | 1 |