| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| CORTECO | 80000177 | Direct Cross Interchange | 4 |
| MAGNETI MARELLI | 030607010051 | Direct Cross Interchange | 3 |
| FIAT | 7644686 | Direct Cross Interchange | 3 |
| ALFA ROMEO | 60805971 | Direct Cross Interchange | 2 |
| LANCIA | 7644786 | Direct Cross Interchange | 1 |
| ALFA ROMEO | 7644786 | Direct Cross Interchange | 1 |
| OPTIMAL | F86914 | Indirect Cross Interchange | 3 |
| ORIGINAL IMPERIUM | 28164 | Indirect Cross Interchange | 3 |
| MALò | 7596 | Indirect Cross Interchange | 3 |
| BOGE | 87106A | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 7644686 | Indirect Cross Interchange | 2 |
| OCAP | 1225606 | Indirect Cross Interchange | 2 |
| LANCIA | 7644686 | Indirect Cross Interchange | 2 |
| LANCIA | 60805971 | Indirect Cross Interchange | 1 |
| CF GOMMA | 8511230 | Indirect Cross Interchange | 1 |
| FIAT | 60805971 | Indirect Cross Interchange | 1 |
| MALò | 15802 | Indirect Cross Interchange | 1 |
| RUVILLE | 326019 | Indirect Cross Interchange | 1 |