| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FIAT | 551911270 | Direct Cross Interchange | 3 |
| MEAT & DORIA | 81559 | Direct Cross Interchange | 2 |
| HOFFER | 7481559 | Direct Cross Interchange | 2 |
| LANCIA | 0055191127 | Direct Cross Interchange | 1 |
| ALFA ROMEO | 0055191127 | Direct Cross Interchange | 1 |
| FIAT | 0055191127 | Direct Cross Interchange | 1 |
| NGK | 0029 | Indirect Cross Interchange | 4 |
| LANCIA | 55191127 | Indirect Cross Interchange | 2 |
| LANCIA | 518012780 | Indirect Cross Interchange | 2 |
| LANCIA | 51801278 | Indirect Cross Interchange | 2 |
| FIAT | 55191127 | Indirect Cross Interchange | 2 |
| FIAT | 518012780 | Indirect Cross Interchange | 2 |
| FIAT | 51801278 | Indirect Cross Interchange | 2 |
| FIAT | 552023690 | Indirect Cross Interchange | 2 |
| FIAT | 55202369 | Indirect Cross Interchange | 2 |
| FIAT | 551997930 | Indirect Cross Interchange | 2 |
| FIAT | 55199793 | Indirect Cross Interchange | 2 |
| MAGNETI MARELLI | 460002010010 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 552023690 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 55202369 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 551997930 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 55199793 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 551911270 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 55191127 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 518012780 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 51801278 | Indirect Cross Interchange | 2 |
| NTK (NGK-GROUP) | LZA15A5 | Indirect Cross Interchange | 2 |
| NTK (NGK-GROUP) | LZA15A3 | Indirect Cross Interchange | 2 |
| NTK (NGK-GROUP) | LZA15A2 | Indirect Cross Interchange | 2 |
| NTK (NGK-GROUP) | LZA15A1 | Indirect Cross Interchange | 2 |
| WALKER PRODUCTS | 80095021 | Indirect Cross Interchange | 2 |
| WALKER PRODUCTS | 80095020 | Indirect Cross Interchange | 2 |
| LANCIA | 552023690 | Indirect Cross Interchange | 2 |
| LANCIA | 55202369 | Indirect Cross Interchange | 2 |
| LANCIA | 551997930 | Indirect Cross Interchange | 2 |
| LANCIA | 55199793 | Indirect Cross Interchange | 2 |
| LANCIA | 551911270 | Indirect Cross Interchange | 2 |