| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BGA | V017016 | Direct Cross Interchange | 9 |
| FIAT | 4340118 | Direct Cross Interchange | 7 |
| AE | V90064 | Direct Cross Interchange | 7 |
| TRW Engine Component | 17016 | Direct Cross Interchange | 7 |
| FRECCIA | 3528 | Direct Cross Interchange | 6 |
| FRECCIA | R3528SCR | Direct Cross Interchange | 5 |
| OSVAT | 2630 | Direct Cross Interchange | 3 |
| KOLBENSCHMIDT | 50004170 | Direct Cross Interchange | 3 |
| CORTECO | 552630B | Direct Cross Interchange | 3 |
| INTERMOTOR | 1171 | Direct Cross Interchange | 2 |
| TRW | 17016 | Indirect Cross Interchange | 5 |
| AUTOBIANCHI | 4340118 | Indirect Cross Interchange | 2 |
| LANCIA | 4340118 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 4340118 | Indirect Cross Interchange | 2 |
| METELLI | 012434 | Indirect Cross Interchange | 1 |
| INTERVALVES | 1171 | Indirect Cross Interchange | 1 |