| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| ORIGINAL IMPERIUM | 29042 | Direct Cross Interchange | 6 |
| SASIC | 9002433 | Direct Cross Interchange | 5 |
| FIAT | 46767476 | Direct Cross Interchange | 5 |
| METZGER | 8053642 | Direct Cross Interchange | 4 |
| FIAT | 51760173 | Direct Cross Interchange | 3 |
| CF GOMMA | 8517200 | Direct Cross Interchange | 1 |
| MAGNETI MARELLI | 030607010156 | Indirect Cross Interchange | 3 |
| FIAT | 46759739 | Indirect Cross Interchange | 3 |
| OCAP | 1225634 | Indirect Cross Interchange | 3 |
| CORTECO | 80001801 | Indirect Cross Interchange | 2 |
| MALò | 157332 | Indirect Cross Interchange | 2 |
| KAGER | 140026 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 51760173 | Indirect Cross Interchange | 1 |
| BIRTH | 50852 | Indirect Cross Interchange | 1 |
| LANCIA | 51760173 | Indirect Cross Interchange | 1 |
| LANCIA | 46767476 | Indirect Cross Interchange | 1 |
| METZGER | WMG3642 | Indirect Cross Interchange | 1 |