| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MEAT & DORIA | 76808 | Direct Cross Interchange | 17 |
| HOFFER | 7506808 | Direct Cross Interchange | 16 |
| VM | 3000089A | Direct Cross Interchange | 15 |
| ALFA ROMEO | 46447569 | Direct Cross Interchange | 14 |
| BOSCH | 0580464983 | Direct Cross Interchange | 13 |
| VEMO | V24090004 | Direct Cross Interchange | 12 |
| SIDAT | 70118 | Direct Cross Interchange | 12 |
| BOSCH | 0580464982 | Direct Cross Interchange | 12 |
| FISPA | 20118 | Direct Cross Interchange | 11 |
| SIDAT-FISPA | 70118 | Direct Cross Interchange | 11 |
| FIAT | 46447569 | Direct Cross Interchange | 11 |
| MESSMER | 770006 | Direct Cross Interchange | 10 |
| KAGER | 520239 | Direct Cross Interchange | 9 |
| ACI - AVESA | ABG1061 | Direct Cross Interchange | 9 |
| MESSMER | 770006 | Direct Cross Interchange | 9 |
| MAGNETI MARELLI | 219046499981 | Direct Cross Interchange | 9 |
| LANCIA | 46447569 | Direct Cross Interchange | 8 |
| FIAT | 46742145 | Direct Cross Interchange | 2 |
| BOSCH | 0580464081 | Indirect Cross Interchange | 5 |
| ERA | 770006 | Indirect Cross Interchange | 5 |
| MAGNETI MARELLI | ESS537 | Indirect Cross Interchange | 5 |
| BOSCH | 0580464984 | Indirect Cross Interchange | 2 |
| BOSCH | 0580464984 | Indirect Cross Interchange | 1 |
| BOSCH | 0580464981 | Indirect Cross Interchange | 1 |
| MEAT & DORIA | MEATDORIA | Indirect Cross Interchange | 1 |
| VEMO | 24090004 | Indirect Cross Interchange | 1 |
| S.I.D.A.T | 70118 | Indirect Cross Interchange | 1 |
| BOSCH | 0580464984 | Indirect Cross Interchange | 1 |
| BOSCH | 0580464981 | Indirect Cross Interchange | 1 |