| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MAGNETI MARELLI | 460002003010 | Direct Cross Interchange | 3 |
| HOFFER | 7481569 | Direct Cross Interchange | 2 |
| MEAT & DORIA | 81569 | Direct Cross Interchange | 2 |
| MTE-THOMSON | 783440054 | Direct Cross Interchange | 1 |
| NGK | 0056 | Direct Cross Interchange | 1 |
| LANCIA | 55201610 | Indirect Cross Interchange | 3 |
| LANCIA | 552011610 | Indirect Cross Interchange | 3 |
| ALFA ROMEO | 55201610 | Indirect Cross Interchange | 3 |
| ALFA ROMEO | 552011610 | Indirect Cross Interchange | 3 |
| FIAT | 55201610 | Indirect Cross Interchange | 3 |
| NTK (NGK-GROUP) | OZA532A12 | Indirect Cross Interchange | 2 |
| LANCIA | 0055201610 | Indirect Cross Interchange | 2 |
| FIAT | 0055201610 | Indirect Cross Interchange | 2 |
| FACET | 108150 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 0055201610 | Indirect Cross Interchange | 2 |
| FERRARI | 55201610 | Indirect Cross Interchange | 1 |
| FERRARI | 552011610 | Indirect Cross Interchange | 1 |
| FERRARI | 46529385 | Indirect Cross Interchange | 1 |
| ALFA ROMEO | 46529385 | Indirect Cross Interchange | 1 |
| MEAT & DORIA | 81541 | Indirect Cross Interchange | 1 |
| FIAT | 46529385 | Indirect Cross Interchange | 1 |
| LANCIA | 46529385 | Indirect Cross Interchange | 1 |
| HOFFER | 7481541 | Indirect Cross Interchange | 1 |
| NTK (NGK-GROUP) | OZA334A3 | Indirect Cross Interchange | 1 |
| VEMO | V24760017 | Indirect Cross Interchange | 1 |
| NGK | OZA334A3 | Indirect Cross Interchange | 1 |
| MAGNETI MARELLI | 50202602 | Indirect Cross Interchange | 1 |