| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 19780 | Direct Cross Interchange | 14 |
| FIAT | 7643600 | Direct Cross Interchange | 12 |
| KLARIUS | 321051 | Direct Cross Interchange | 11 |
| MTS | 041689 | Direct Cross Interchange | 11 |
| FIAT | 7748454 | Direct Cross Interchange | 10 |
| FONOS | 19780 | Direct Cross Interchange | 10 |
| BOSAL | 099181 | Direct Cross Interchange | 9 |
| QUINTON HAZELL | 321051 | Direct Cross Interchange | 9 |
| IMASAF | 260533 | Direct Cross Interchange | 8 |
| INNOCENTI | 7748454 | Direct Cross Interchange | 8 |
| BM CATALYSTS | BM90129 | Direct Cross Interchange | 7 |
| SIGAM | 13105 | Direct Cross Interchange | 7 |
| MAGNAFLOW | 81826 | Direct Cross Interchange | 6 |
| INNOCENTI | 7643600 | Direct Cross Interchange | 5 |
| ROSI | 321051 | Direct Cross Interchange | 5 |
| MAGNAFLOW | K117 | Direct Cross Interchange | 5 |
| KLARIUS | 380103 | Direct Cross Interchange | 4 |
| QUINTON HAZELL | 380103 | Direct Cross Interchange | 4 |
| GAT EUROKAT | 01013 | Direct Cross Interchange | 2 |
| ASSO | 120015 | Indirect Cross Interchange | 8 |
| ASSO | 120003 | Indirect Cross Interchange | 8 |
| FIAT | 7746718 | Indirect Cross Interchange | 7 |
| IMASAF | 262633 | Indirect Cross Interchange | 7 |
| EEC | FI8006 | Indirect Cross Interchange | 7 |
| HJS | 90325717 | Indirect Cross Interchange | 6 |
| BOSAL | 098181 | Indirect Cross Interchange | 6 |
| TESH | 321051 | Indirect Cross Interchange | 5 |
| VENEPORTE | FA25092K | Indirect Cross Interchange | 5 |
| MTS | 043920 | Indirect Cross Interchange | 5 |
| HJS | 90325720 | Indirect Cross Interchange | 5 |
| TIMAX | 321051 | Indirect Cross Interchange | 4 |
| IMASAF | 262604 | Indirect Cross Interchange | 4 |
| FIAT | 7594633 | Indirect Cross Interchange | 4 |
| FIAT / LANCIA | 7643600 | Indirect Cross Interchange | 4 |
| INNOCENTI | 7746718 | Indirect Cross Interchange | 4 |
| ALFAROME/FIAT/LANCI | 7643600 | Indirect Cross Interchange | 4 |
| ANSA | 321051 | Indirect Cross Interchange | 4 |
| WALKER | 20175 | Indirect Cross Interchange | 3 |
| ASSO | 120014 | Indirect Cross Interchange | 3 |
| FONOS | 610360 | Indirect Cross Interchange | 2 |
| DESCAM | 100107 | Indirect Cross Interchange | 2 |
| IZAWIT | 14170 | Indirect Cross Interchange | 2 |
| FABRISCAPE | FA55241C | Indirect Cross Interchange | 2 |
| CATCO | EFI324 | Indirect Cross Interchange | 2 |
| ARVIN | 321051 | Indirect Cross Interchange | 2 |
| MEFEX | 44010 | Indirect Cross Interchange | 2 |
| MEFEX | 44009 | Indirect Cross Interchange | 2 |
| LANCIA | 7748454 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 7748454 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 7746718 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 7748454 | Indirect Cross Interchange | 2 |
| HJS | 90325725 | Indirect Cross Interchange | 2 |
| CIA | 03133 | Indirect Cross Interchange | 2 |
| WALKER | 18332 | Indirect Cross Interchange | 2 |
| MTS | 043361 | Indirect Cross Interchange | 2 |
| EBERSPACHER | 03601 | Indirect Cross Interchange | 2 |
| EBERSPACHER | 03133 | Indirect Cross Interchange | 2 |
| ALFAROME/FIAT/LANCI | 7748454 | Indirect Cross Interchange | 2 |
| ALFAROME/FIAT/LANCI | 7746718 | Indirect Cross Interchange | 2 |
| BOSAL | 98181 | Indirect Cross Interchange | 1 |
| MTS | 41689 | Indirect Cross Interchange | 1 |
| AURADIA | R321051 | Indirect Cross Interchange | 1 |
| ZARA | 1957 | Indirect Cross Interchange | 1 |
| FIAT | 7750084 | Indirect Cross Interchange | 1 |
| CISAM | 294544 | Indirect Cross Interchange | 1 |
| ROMAX | KAT00417 | Indirect Cross Interchange | 1 |
| TIMAX | 311254 | Indirect Cross Interchange | 1 |
| TESTAG | 620512 | Indirect Cross Interchange | 1 |
| HJS | 89325717 | Indirect Cross Interchange | 1 |
| USN | KFT903 | Indirect Cross Interchange | 1 |
| USN | KFT893A | Indirect Cross Interchange | 1 |
| FUELPARTS | AS55241 | Indirect Cross Interchange | 1 |
| DESCAM | NOCAT | Indirect Cross Interchange | 1 |
| IMASAF | 262533 | Indirect Cross Interchange | 1 |
| FONOS | 819780 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 7748454 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 7746718 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 7643600 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 7594633 | Indirect Cross Interchange | 1 |
| ANSA | 311254 | Indirect Cross Interchange | 1 |