| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BM CATALYSTS | BM90129 | Direct Cross Interchange | 6 |
| WALKER | 19780 | Direct Cross Interchange | 6 |
| EEC | FI8006 | Direct Cross Interchange | 4 |
| BOSAL | 098181 | Direct Cross Interchange | 4 |
| FIAT | 7643600 | Direct Cross Interchange | 4 |
| AS | 55241 | Direct Cross Interchange | 4 |
| ALFAROME/FIAT/LANCI | 7643600 | Direct Cross Interchange | 1 |
| FIAT / LANCIA | 7643600 | Direct Cross Interchange | 1 |
| QUINTON HAZELL | 380103 | Indirect Cross Interchange | 8 |
| KLARIUS | 321051 | Indirect Cross Interchange | 6 |
| QUINTON HAZELL | 321051 | Indirect Cross Interchange | 6 |
| FIAT | 7748454 | Indirect Cross Interchange | 4 |
| FONOS | 19780 | Indirect Cross Interchange | 3 |
| MAGNAFLOW | 81826 | Indirect Cross Interchange | 3 |
| MTS | 041689 | Indirect Cross Interchange | 3 |
| BOSAL | 099181 | Indirect Cross Interchange | 3 |
| SIGAM | 13105 | Indirect Cross Interchange | 3 |
| FIAT | 7746718 | Indirect Cross Interchange | 3 |
| INNOCENTI | 7748454 | Indirect Cross Interchange | 2 |
| HJS | 90325717 | Indirect Cross Interchange | 2 |
| ASSO | 120003 | Indirect Cross Interchange | 2 |
| VENEPORTE | FA25092K | Indirect Cross Interchange | 2 |
| BOSAL | 98181 | Indirect Cross Interchange | 2 |
| MAGNAFLOW | K117 | Indirect Cross Interchange | 2 |
| ROSI | 321051 | Indirect Cross Interchange | 2 |
| IMASAF | 262633 | Indirect Cross Interchange | 2 |
| IMASAF | 262604 | Indirect Cross Interchange | 2 |
| IMASAF | 260533 | Indirect Cross Interchange | 2 |
| ANSA | 321051 | Indirect Cross Interchange | 1 |
| ALFA ROMEO | 7748454 | Indirect Cross Interchange | 1 |
| EBERSPACHER | 03601 | Indirect Cross Interchange | 1 |
| GAT EUROKAT | 01013 | Indirect Cross Interchange | 1 |
| EBERSPACHER | 03133 | Indirect Cross Interchange | 1 |
| MTS | 043920 | Indirect Cross Interchange | 1 |
| TESH | 321051 | Indirect Cross Interchange | 1 |
| BOSAL | 99181 | Indirect Cross Interchange | 1 |
| HJS | 90325725 | Indirect Cross Interchange | 1 |
| DESCAM | 100107 | Indirect Cross Interchange | 1 |
| HJS | 90325720 | Indirect Cross Interchange | 1 |
| IZAWIT | 14170 | Indirect Cross Interchange | 1 |
| INNOCENTI | 7643600 | Indirect Cross Interchange | 1 |
| FABRISCAPE | FA55241C | Indirect Cross Interchange | 1 |
| LANCIA | 7748454 | Indirect Cross Interchange | 1 |
| CATCO | EFI324 | Indirect Cross Interchange | 1 |
| ARVIN | 321051 | Indirect Cross Interchange | 1 |
| FUELPARTS | AS55241 | Indirect Cross Interchange | 1 |
| MEFEX | 44010 | Indirect Cross Interchange | 1 |
| MEFEX | 44009 | Indirect Cross Interchange | 1 |
| AS | AS55241 | Indirect Cross Interchange | 1 |
| ASSO | 120015 | Indirect Cross Interchange | 1 |
| TIMAX | 321051 | Indirect Cross Interchange | 1 |
| ASSO | 120014 | Indirect Cross Interchange | 1 |
| FIAT | 7594633 | Indirect Cross Interchange | 1 |