| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MEAT & DORIA | 76495 | Direct Cross Interchange | 12 |
| HOFFER | 7506495 | Direct Cross Interchange | 11 |
| AIRTEX | E10602M | Direct Cross Interchange | 9 |
| PIERBURG | 700468460 | Direct Cross Interchange | 8 |
| MESSMER | 775026 | Direct Cross Interchange | 6 |
| MARWAL | 7661100 | Direct Cross Interchange | 6 |
| MAGNETI MARELLI | 519766119900 | Direct Cross Interchange | 6 |
| FIAT | 46739809 | Direct Cross Interchange | 5 |
| LANCIA | 46739809 | Direct Cross Interchange | 5 |
| MAGNETI MARELLI | GA2022 | Direct Cross Interchange | 5 |
| PIERBURG | 70046846 | Direct Cross Interchange | 5 |
| ALFA ROMEO | 46739809 | Direct Cross Interchange | 3 |
| ERA | 775026 | Direct Cross Interchange | 3 |
| FISPA | 22052 | Indirect Cross Interchange | 12 |
| DELPHI | FE1013612B1 | Indirect Cross Interchange | 7 |
| VALEO | 347119 | Indirect Cross Interchange | 4 |
| MEAT & DORIA | 76568 | Indirect Cross Interchange | 1 |
| HOFFER | 7506568 | Indirect Cross Interchange | 1 |
| MARWAL | 09766119900 | Indirect Cross Interchange | 1 |
| BOSCH | 0580313092 | Indirect Cross Interchange | 1 |
| S.I.D.A.T | 72170 | Indirect Cross Interchange | 1 |
| S.I.D.A.T | 72052 | Indirect Cross Interchange | 1 |
| VALEO | 347119 | Indirect Cross Interchange | 1 |
| ACI - AVESA | ABG214 | Indirect Cross Interchange | 1 |
| MESSMER | 775152 | Indirect Cross Interchange | 1 |
| LANCIA | 46757664 | Indirect Cross Interchange | 1 |
| FIAT | 46757664 | Indirect Cross Interchange | 1 |