| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MEAT & DORIA | 86117 | Direct Cross Interchange | 12 |
| BOSCH | 0280218113 | Direct Cross Interchange | 11 |
| ALFA ROMEO | 46811312 | Direct Cross Interchange | 9 |
| FISPA | 38687 | Direct Cross Interchange | 8 |
| QUINTON HAZELL | QM775 | Direct Cross Interchange | 8 |
| FIAT | 46811312 | Direct Cross Interchange | 8 |
| SIDAT | 38687 | Direct Cross Interchange | 8 |
| ALFA ROMEO | 60802028 | Direct Cross Interchange | 7 |
| ERA | MF078 | Direct Cross Interchange | 7 |
| LANCIA | 46811312 | Direct Cross Interchange | 6 |
| METZGER | 0891015 | Indirect Cross Interchange | 6 |
| FACET | 101155 | Indirect Cross Interchange | 6 |
| PIERBURG | 722701080 | Indirect Cross Interchange | 6 |
| MEAT & DORIA | 86165 | Indirect Cross Interchange | 5 |
| HOFFER | 7516165 | Indirect Cross Interchange | 5 |
| SIDAT | 38868 | Indirect Cross Interchange | 5 |
| FISPA | 38868 | Indirect Cross Interchange | 5 |
| HELLA | 8ET009142671 | Indirect Cross Interchange | 4 |
| MAGNETI MARELLI | 213719727010 | Indirect Cross Interchange | 3 |
| FIAT | 60802028 | Indirect Cross Interchange | 3 |
| MAXGEAR | 510108 | Indirect Cross Interchange | 1 |
| STANDARD | EAM033 | Indirect Cross Interchange | 1 |
| STANDARD | 19708 | Indirect Cross Interchange | 1 |
| LUCAS ELECTRICAL | FDM719 | Indirect Cross Interchange | 1 |
| LANCIA | 60802028 | Indirect Cross Interchange | 1 |