| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MEAT & DORIA | 89001 | Direct Cross Interchange | 21 |
| FISPA | 88001 | Direct Cross Interchange | 19 |
| SIDAT | 88001 | Direct Cross Interchange | 19 |
| HELLA | 8UK007623131 | Direct Cross Interchange | 13 |
| FIAT | 77363298 | Direct Cross Interchange | 11 |
| FIAT | 71718959 | Direct Cross Interchange | 11 |
| MAGNETI MARELLI | 802001291204 | Direct Cross Interchange | 9 |
| DELPHI | AT1002012B1 | Direct Cross Interchange | 9 |
| FIAT | 46781326 | Direct Cross Interchange | 9 |
| MAGNETI MARELLI | 36SXFE14 | Direct Cross Interchange | 7 |
| LANCIA | 71718959 | Direct Cross Interchange | 6 |
| LANCIA | 46781326 | Direct Cross Interchange | 6 |
| LANCIA | 77363298 | Direct Cross Interchange | 6 |
| MAGNETI MARELLI | 802000135403 | Direct Cross Interchange | 5 |
| MAGNETI MARELLI | 36SXFE102 | Direct Cross Interchange | 5 |
| MAGNETI MARELLI | 36SXFE | Direct Cross Interchange | 5 |
| ALFA ROMEO | 77363298 | Direct Cross Interchange | 5 |
| ALFA ROMEO | 71718959 | Direct Cross Interchange | 5 |
| ALFA ROMEO | 46781326 | Direct Cross Interchange | 5 |
| ACI - AVESA | ACM100 | Indirect Cross Interchange | 4 |
| HELLA | 007623131 | Indirect Cross Interchange | 1 |
| FIAT | 71787554 | Indirect Cross Interchange | 1 |
| LANCIA | 71787554 | Indirect Cross Interchange | 1 |
| FIAT | 46526286 | Indirect Cross Interchange | 1 |