| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| HOFFER | 7517006 | Direct Cross Interchange | 19 |
| MEAT & DORIA | 87006 | Direct Cross Interchange | 19 |
| FIAT | 7547235 | Direct Cross Interchange | 15 |
| ALFA ROMEO | 7741311 | Direct Cross Interchange | 15 |
| ERA | 550090 | Direct Cross Interchange | 15 |
| FISPA | 83123 | Direct Cross Interchange | 14 |
| SIDAT | 83123 | Direct Cross Interchange | 14 |
| ALFA ROMEO | 60806494 | Direct Cross Interchange | 12 |
| FAE | 79016 | Direct Cross Interchange | 10 |
| STANDARD | SEB145 | Direct Cross Interchange | 10 |
| STANDARD | 18770 | Direct Cross Interchange | 10 |
| MAGNETI MARELLI | 064820088010 | Direct Cross Interchange | 9 |
| METZGER | 0902027 | Direct Cross Interchange | 9 |
| FIAT | 60806494 | Direct Cross Interchange | 9 |
| MAGNETI MARELLI | SEN8I | Direct Cross Interchange | 7 |
| LUCAS ELECTRICAL | SEB145 | Direct Cross Interchange | 7 |
| MAGNETI MARELLI | SEN8IA | Direct Cross Interchange | 6 |
| ANGLI | 17002 | Direct Cross Interchange | 5 |
| MAGNETI MARELLI | 64820088 | Direct Cross Interchange | 3 |
| KW | 453002 | Direct Cross Interchange | 2 |
| EPS | 1953002 | Direct Cross Interchange | 2 |
| INTERMOTOR | 18770 | Direct Cross Interchange | 2 |
| QUINTON HAZELL | XREV151 | Direct Cross Interchange | 2 |
| HAVAM | 1953002 | Indirect Cross Interchange | 10 |
| VEMO | V24720067 | Indirect Cross Interchange | 7 |
| ALFA ROMEO | 7547235 | Indirect Cross Interchange | 5 |
| FIAT | 7741311 | Indirect Cross Interchange | 5 |
| LANCIA | 7547235 | Indirect Cross Interchange | 5 |
| STANDARD | 18770 | Indirect Cross Interchange | 4 |
| INTERMOTOR | 18770 | Indirect Cross Interchange | 4 |
| LANCIA | 7741311 | Indirect Cross Interchange | 4 |
| LANCIA | 60806494 | Indirect Cross Interchange | 4 |
| STANDARD | EPS123 | Indirect Cross Interchange | 3 |
| FIAT | 46412341 | Indirect Cross Interchange | 1 |
| FORD | 12029BA | Indirect Cross Interchange | 1 |
| MAGNETI MARELLI | SEN81 | Indirect Cross Interchange | 1 |
| OES | 77413111 | Indirect Cross Interchange | 1 |
| OES | 60806494 | Indirect Cross Interchange | 1 |