| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SIGAM | 12191 | Direct Cross Interchange | 15 |
| ASSO | 121117 | Direct Cross Interchange | 13 |
| KLARIUS | 301027 | Direct Cross Interchange | 11 |
| QUINTON HAZELL | 301027 | Direct Cross Interchange | 10 |
| BOSAL | 840219 | Direct Cross Interchange | 10 |
| HJS | 91324454 | Direct Cross Interchange | 10 |
| WALKER | 21539 | Direct Cross Interchange | 9 |
| MTS | 0116970 | Direct Cross Interchange | 9 |
| FIAT | 7665220 | Direct Cross Interchange | 8 |
| FIAT | 46402478 | Direct Cross Interchange | 8 |
| LANCIA | 7665220 | Direct Cross Interchange | 6 |
| LANCIA | 46402478 | Direct Cross Interchange | 6 |
| VENEPORTE | FA25261 | Direct Cross Interchange | 5 |
| ASSO | 121118 | Direct Cross Interchange | 5 |
| TESH | 301027 | Direct Cross Interchange | 4 |
| FIAT | 7687468 | Direct Cross Interchange | 4 |
| FIAT | 46402481 | Direct Cross Interchange | 4 |
| LANCIA | 7687468 | Direct Cross Interchange | 3 |
| LANCIA | 46402481 | Direct Cross Interchange | 3 |
| AUTOBIANCHI | 7687468 | Direct Cross Interchange | 1 |
| AUTOBIANCHI | 7665220 | Direct Cross Interchange | 1 |
| AUTOBIANCHI | 46402481 | Direct Cross Interchange | 1 |
| AUTOBIANCHI | 46402478 | Direct Cross Interchange | 1 |
| EEC | FI7005 | Indirect Cross Interchange | 5 |
| BM CATALYSTS | BM70014 | Indirect Cross Interchange | 4 |
| ALFAROME/FIAT/LANCI | 7665220 | Indirect Cross Interchange | 3 |
| ALFAROME/FIAT/LANCI | 46402478 | Indirect Cross Interchange | 3 |
| FIAT / LANCIA | 46402478 | Indirect Cross Interchange | 2 |
| ROSI | 301027 | Indirect Cross Interchange | 2 |
| FONOS | 610144 | Indirect Cross Interchange | 2 |
| BM CATALYSTS | 70014 | Indirect Cross Interchange | 2 |
| CIA | 03611 | Indirect Cross Interchange | 2 |
| ZARA | 1652 | Indirect Cross Interchange | 2 |
| TIMAX | 301027 | Indirect Cross Interchange | 2 |
| MTS | 0116910 | Indirect Cross Interchange | 2 |
| ANSA | 301027 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 7665220 | Indirect Cross Interchange | 2 |
| DESCAM | 100231 | Indirect Cross Interchange | 1 |
| CISAM | 294901 | Indirect Cross Interchange | 1 |
| TOPRAN | 104383 | Indirect Cross Interchange | 1 |
| FONOS | 610262 | Indirect Cross Interchange | 1 |
| EBERSPACHER | 03611 | Indirect Cross Interchange | 1 |
| AutoZone | 21539 | Indirect Cross Interchange | 1 |
| MAGNETI MARELLI | 394310023100 | Indirect Cross Interchange | 1 |
| MAGNETI MARELLI | 350750695100 | Indirect Cross Interchange | 1 |
| ROMAX | FIA00108 | Indirect Cross Interchange | 1 |
| CARQUEST | 21539 | Indirect Cross Interchange | 1 |
| TESTAG | 665083 | Indirect Cross Interchange | 1 |
| MTS | 16970 | Indirect Cross Interchange | 1 |
| MTS | 0118110 | Indirect Cross Interchange | 1 |
| MTS | 011697 | Indirect Cross Interchange | 1 |
| MAPCO | 30055 | Indirect Cross Interchange | 1 |
| USN | FT341K | Indirect Cross Interchange | 1 |
| AURADIA | R301027 | Indirect Cross Interchange | 1 |
| HAVAM | U53050 | Indirect Cross Interchange | 1 |
| ESTEE | U53050 | Indirect Cross Interchange | 1 |
| CIA | 05522 | Indirect Cross Interchange | 1 |