| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MEAT & DORIA | 76564 | Direct Cross Interchange | 9 |
| HOFFER | 7506564 | Direct Cross Interchange | 9 |
| BOSCH | 0580303010 | Direct Cross Interchange | 8 |
| PIERBURG | 703794050 | Direct Cross Interchange | 6 |
| LANCIA | 46545426 | Direct Cross Interchange | 5 |
| MAGNETI MARELLI | 519030309910 | Direct Cross Interchange | 4 |
| FIAT | 46545426 | Direct Cross Interchange | 4 |
| ALFA ROMEO | 46545426 | Direct Cross Interchange | 4 |
| MAGNETI MARELLI | SUA525 | Direct Cross Interchange | 3 |
| ERA | 775083 | Direct Cross Interchange | 3 |
| SIDAT | 72091 | Indirect Cross Interchange | 10 |
| VEMO | V24090021 | Indirect Cross Interchange | 5 |
| PIERBURG | 702701560 | Indirect Cross Interchange | 4 |
| ACI - AVESA | ABG623 | Indirect Cross Interchange | 4 |
| MESSMER | 775083 | Indirect Cross Interchange | 3 |
| QUINTON HAZELL | QFP765 | Indirect Cross Interchange | 3 |
| PIERBURG | 70379405 | Indirect Cross Interchange | 1 |
| MESSMER | 775083 | Indirect Cross Interchange | 1 |
| ALFAROME/FIAT/LANCI | 46545426 | Indirect Cross Interchange | 1 |
| S.I.D.A.T | 72091 | Indirect Cross Interchange | 1 |