| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BGA | VG2251 | Direct Cross Interchange | 4 |
| IPSA | VG007700 | Direct Cross Interchange | 4 |
| FRECCIA | G2251 | Direct Cross Interchange | 4 |
| FIAT | 4373602 | Direct Cross Interchange | 4 |
| AE | VAG50988 | Direct Cross Interchange | 1 |
| FRECCIA | 2251 | Direct Cross Interchange | 1 |
| FIAT | 4222854 | Indirect Cross Interchange | 2 |
| LANCIA | 4372602 | Indirect Cross Interchange | 2 |
| LANCIA | 4222854 | Indirect Cross Interchange | 2 |
| INNOCENTI | 4373602 | Indirect Cross Interchange | 1 |
| TRW Engine Component | 811750 | Indirect Cross Interchange | 1 |
| TRW | 811750 | Indirect Cross Interchange | 1 |
| LANCIA | 4373602 | Indirect Cross Interchange | 1 |