| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FACET | 108150 | Direct Cross Interchange | 3 |
| FIAT | 55201610 | Direct Cross Interchange | 2 |
| FIAT | 552011610 | Direct Cross Interchange | 2 |
| MAGNETI MARELLI | 460002003010 | Direct Cross Interchange | 2 |
| NTK (NGK-GROUP) | OZA532A12 | Direct Cross Interchange | 2 |
| LANCIA | 55201610 | Direct Cross Interchange | 1 |
| LANCIA | 552011610 | Direct Cross Interchange | 1 |
| ALFA ROMEO | 55201610 | Direct Cross Interchange | 1 |
| ALFA ROMEO | 552011610 | Direct Cross Interchange | 1 |
| MEAT & DORIA | 81569 | Indirect Cross Interchange | 9 |
| MTE-THOMSON | 783440054 | Indirect Cross Interchange | 6 |
| MEAT & DORIA | 81022 | Indirect Cross Interchange | 4 |
| HOFFER | 7481022 | Indirect Cross Interchange | 4 |
| NTK (NGK-GROUP) | OZA532A10 | Indirect Cross Interchange | 1 |
| WALKER PRODUCTS | 25024190 | Indirect Cross Interchange | 1 |
| ALFA ROMEO | 0055201610 | Indirect Cross Interchange | 1 |
| KW | 498150 | Indirect Cross Interchange | 1 |
| EPS | 1998150 | Indirect Cross Interchange | 1 |
| VEMO | V24760017 | Indirect Cross Interchange | 1 |
| LUCAS ELECTRICAL | LEB441 | Indirect Cross Interchange | 1 |
| NGK | 0056 | Indirect Cross Interchange | 1 |
| LANCIA | 0055201610 | Indirect Cross Interchange | 1 |
| FIAT | 55184545 | Indirect Cross Interchange | 1 |
| FIAT | 0055201610 | Indirect Cross Interchange | 1 |