| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 20507 | Direct Cross Interchange | 14 |
| FIAT | 82479491 | Direct Cross Interchange | 13 |
| LANCIA | 82479491 | Direct Cross Interchange | 12 |
| IMASAF | 456633 | Direct Cross Interchange | 11 |
| MTS | 043104 | Direct Cross Interchange | 10 |
| FONOS | 20507 | Direct Cross Interchange | 10 |
| KLARIUS | 311172 | Direct Cross Interchange | 10 |
| BOSAL | 099071 | Direct Cross Interchange | 9 |
| SIGAM | 12319 | Direct Cross Interchange | 8 |
| QUINTON HAZELL | 311172 | Direct Cross Interchange | 7 |
| VENEPORTE | FA25445K | Direct Cross Interchange | 6 |
| BM CATALYSTS | BM90576 | Direct Cross Interchange | 6 |
| QUINTON HAZELL | 370096 | Direct Cross Interchange | 5 |
| KLARIUS | 370096 | Direct Cross Interchange | 5 |
| MAGNAFLOW | 81852 | Direct Cross Interchange | 4 |
| ROSI | 311172 | Direct Cross Interchange | 4 |
| MAGNAFLOW | K206 | Direct Cross Interchange | 3 |
| ALFA ROMEO | 60570506 | Indirect Cross Interchange | 6 |
| MTS | 043144 | Indirect Cross Interchange | 6 |
| ASSO | 020018 | Indirect Cross Interchange | 6 |
| ALFAROME/FIAT/LANCI | 82479491 | Indirect Cross Interchange | 5 |
| ASSO | 120027 | Indirect Cross Interchange | 5 |
| BOSAL | 098071 | Indirect Cross Interchange | 5 |
| FIAT | 60570506 | Indirect Cross Interchange | 4 |
| ALFA ROMEO | 82479491 | Indirect Cross Interchange | 4 |
| ANSA | 311172 | Indirect Cross Interchange | 4 |
| TESH | 311172 | Indirect Cross Interchange | 4 |
| LANCIA | 82453725 | Indirect Cross Interchange | 4 |
| LANCIA | 60570506 | Indirect Cross Interchange | 4 |
| FIAT / LANCIA | 82479491 | Indirect Cross Interchange | 4 |
| VENEPORTE | AR01076K | Indirect Cross Interchange | 4 |
| TIMAX | 311172 | Indirect Cross Interchange | 4 |
| ALFAROME/FIAT/LANCI | 82453725 | Indirect Cross Interchange | 3 |
| ALFAROME/FIAT/LANCI | 60570506 | Indirect Cross Interchange | 3 |
| WALKER | 18336 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 60570506 | Indirect Cross Interchange | 2 |
| DESCAM | 138484 | Indirect Cross Interchange | 2 |
| FIAT | 88424702 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 82453725 | Indirect Cross Interchange | 2 |
| LANCIA | 88424702 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 88424702 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 88424702 | Indirect Cross Interchange | 2 |
| FIAT | 82453725 | Indirect Cross Interchange | 2 |
| ALFAROME/FIAT/LANCI | 88424702 | Indirect Cross Interchange | 2 |
| FABRISCAPE | FA55201C | Indirect Cross Interchange | 2 |
| ARVIN | 311172 | Indirect Cross Interchange | 2 |
| EBERSPACHER | 01134 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 82453725 | Indirect Cross Interchange | 2 |
| AUTOBIANCHI | 82479491 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 82453725 | Indirect Cross Interchange | 1 |
| AURADIA | R311172 | Indirect Cross Interchange | 1 |
| ZARA | 1933 | Indirect Cross Interchange | 1 |
| FUELPARTS | AS55201 | Indirect Cross Interchange | 1 |
| CISAM | 434477 | Indirect Cross Interchange | 1 |
| MTS | 43104 | Indirect Cross Interchange | 1 |
| BOSAL | 98071 | Indirect Cross Interchange | 1 |
| FONOS | NOCAT | Indirect Cross Interchange | 1 |