| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| HOFFER | 7517074 | Direct Cross Interchange | 15 |
| MEAT & DORIA | 87074 | Direct Cross Interchange | 15 |
| FIAT | 7733001 | Direct Cross Interchange | 13 |
| ALFA ROMEO | 60810103 | Direct Cross Interchange | 13 |
| ERA | 550092 | Direct Cross Interchange | 13 |
| FISPA | 83125 | Direct Cross Interchange | 11 |
| SIDAT | 83125 | Direct Cross Interchange | 11 |
| FAE | 79015 | Direct Cross Interchange | 9 |
| STANDARD | SEB163 | Direct Cross Interchange | 9 |
| STANDARD | 18783 | Direct Cross Interchange | 9 |
| MAGNETI MARELLI | 064820168010 | Direct Cross Interchange | 8 |
| MAGNETI MARELLI | SEN8I3 | Direct Cross Interchange | 7 |
| LUCAS ELECTRICAL | SEB163 | Direct Cross Interchange | 6 |
| ANGLI | 17024 | Direct Cross Interchange | 4 |
| KW | 453032 | Direct Cross Interchange | 2 |
| EPS | 1953032 | Direct Cross Interchange | 2 |
| INTERMOTOR | 18783 | Direct Cross Interchange | 2 |
| HAVAM | 1953032 | Indirect Cross Interchange | 7 |
| ALFA ROMEO | 60603937 | Indirect Cross Interchange | 6 |
| MAGNETI MARELLI | SEN813 | Indirect Cross Interchange | 5 |
| FIAT | 60810103 | Indirect Cross Interchange | 4 |
| FIAT | 60603937 | Indirect Cross Interchange | 4 |
| ALFA ROMEO | 7733001 | Indirect Cross Interchange | 4 |
| LANCIA | 7733001 | Indirect Cross Interchange | 4 |
| LANCIA | 60810103 | Indirect Cross Interchange | 4 |
| LANCIA | 60603937 | Indirect Cross Interchange | 4 |
| INTERMOTOR | 18783 | Indirect Cross Interchange | 4 |
| VEMO | V24720066 | Indirect Cross Interchange | 3 |
| STANDARD | EPS154 | Indirect Cross Interchange | 2 |
| STANDARD | 18783 | Indirect Cross Interchange | 2 |
| MAGNETI MARELLI | 64820168 | Indirect Cross Interchange | 1 |
| FIAT | 07733001 | Indirect Cross Interchange | 1 |
| OES | 60810103 | Indirect Cross Interchange | 1 |