| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MEAT & DORIA | 76933 | Direct Cross Interchange | 14 |
| HOFFER | 7506933 | Direct Cross Interchange | 14 |
| FIAT | 55700362 | Direct Cross Interchange | 10 |
| VEMO | V24090038 | Direct Cross Interchange | 9 |
| BOSCH | 0580314137 | Direct Cross Interchange | 9 |
| AIRTEX | E10471M | Direct Cross Interchange | 8 |
| QUINTON HAZELL | QFP918 | Direct Cross Interchange | 7 |
| MAGNETI MARELLI | 519031419937 | Direct Cross Interchange | 6 |
| KAGER | 520230 | Direct Cross Interchange | 6 |
| MESSMER | 775187 | Direct Cross Interchange | 5 |
| FIAT | 557003620 | Direct Cross Interchange | 4 |
| ALFA ROMEO | 55700362 | Direct Cross Interchange | 4 |
| LANCIA | 557003620 | Direct Cross Interchange | 3 |
| LANCIA | 55700362 | Direct Cross Interchange | 3 |
| ERA | 775187 | Direct Cross Interchange | 3 |
| MAGNETI MARELLI | SUA551 | Direct Cross Interchange | 3 |
| ALFA ROMEO | 557003620 | Direct Cross Interchange | 3 |
| FISPA | 22285 | Indirect Cross Interchange | 13 |
| MESSMER | 775187 | Indirect Cross Interchange | 1 |