| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BOSCH | 0258006391 | Direct Cross Interchange | 11 |
| ALFA ROMEO | 46805750 | Direct Cross Interchange | 7 |
| ALFA ROMEO | 46776286 | Direct Cross Interchange | 7 |
| NGK | 7904 | Direct Cross Interchange | 6 |
| STANDARD | 13170 | Direct Cross Interchange | 6 |
| FAE | 77366 | Direct Cross Interchange | 4 |
| FIAT | 46805750 | Direct Cross Interchange | 4 |
| FIAT | 46776286 | Direct Cross Interchange | 4 |
| FIAT | 467762860 | Direct Cross Interchange | 2 |
| FIAT | 468057500 | Direct Cross Interchange | 2 |
| WALKER | 25024311 | Direct Cross Interchange | 1 |
| HOFFER | 7481516 | Indirect Cross Interchange | 7 |
| MEAT & DORIA | 81516 | Indirect Cross Interchange | 7 |
| MAGNETI MARELLI | 460002008910 | Indirect Cross Interchange | 4 |
| STANDARD | LEB440 | Indirect Cross Interchange | 3 |
| WALKER PRODUCTS | 25024311 | Indirect Cross Interchange | 2 |
| NTK (NGK-GROUP) | OZA659EE59 | Indirect Cross Interchange | 1 |
| NTK (NGK-GROUP) | 7904 | Indirect Cross Interchange | 1 |
| PININFARINA | ALF00468057500 | Indirect Cross Interchange | 1 |
| MTE-THOMSON | 883440232 | Indirect Cross Interchange | 1 |
| BOSCH | LS6391 | Indirect Cross Interchange | 1 |
| BOSCH | 0258986602 | Indirect Cross Interchange | 1 |
| FIAT | ALF00468057500 | Indirect Cross Interchange | 1 |
| LUCAS CAV | LEB440 | Indirect Cross Interchange | 1 |