| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FIAT | 55181852 | Direct Cross Interchange | 12 |
| WALKER | 20790 | Direct Cross Interchange | 10 |
| MTS | 043908 | Direct Cross Interchange | 10 |
| LANCIA | 55181852 | Direct Cross Interchange | 9 |
| KLARIUS | 321855 | Direct Cross Interchange | 8 |
| ERNST | 750691 | Direct Cross Interchange | 7 |
| QUINTON HAZELL | 321855 | Direct Cross Interchange | 6 |
| FONOS | 20790 | Direct Cross Interchange | 5 |
| IMASAF | 258533 | Direct Cross Interchange | 4 |
| BM CATALYSTS | BM80246 | Direct Cross Interchange | 4 |
| MAGNAFLOW | 71813D | Direct Cross Interchange | 4 |
| SIGAM | 11129 | Direct Cross Interchange | 4 |
| VENEPORTE | FA25646K | Direct Cross Interchange | 3 |
| MAGNAFLOW | K627 | Direct Cross Interchange | 3 |
| ROSI | 321855 | Direct Cross Interchange | 2 |
| BM CATALYSTS | BM80246H | Indirect Cross Interchange | 6 |
| OPEL | 5854424 | Indirect Cross Interchange | 5 |
| LANCIA | 55193509 | Indirect Cross Interchange | 5 |
| ASSO | 120095 | Indirect Cross Interchange | 5 |
| FIAT | 55193509 | Indirect Cross Interchange | 5 |
| BOSAL | 099366 | Indirect Cross Interchange | 5 |
| FIAT | 55202601 | Indirect Cross Interchange | 4 |
| BOSAL | 098771 | Indirect Cross Interchange | 4 |
| FIAT | 55188151 | Indirect Cross Interchange | 3 |
| ALFAROME/FIAT/LANCI | 55181852 | Indirect Cross Interchange | 3 |
| LANCIA | 55202601 | Indirect Cross Interchange | 3 |
| EEC | FI6017 | Indirect Cross Interchange | 3 |
| AS | 21734D | Indirect Cross Interchange | 3 |
| FIAT / LANCIA | 55181852 | Indirect Cross Interchange | 2 |
| VAUXHALL | 93177324 | Indirect Cross Interchange | 2 |
| MTS | 044075 | Indirect Cross Interchange | 2 |
| FIAT | 55202576 | Indirect Cross Interchange | 2 |
| ERNST | 752138 | Indirect Cross Interchange | 1 |
| TIMAX | 321855 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 55193509 | Indirect Cross Interchange | 1 |
| TESH | 322144 | Indirect Cross Interchange | 1 |
| TESH | 321904 | Indirect Cross Interchange | 1 |
| TESH | 321855 | Indirect Cross Interchange | 1 |
| ALFAROME/FIAT/LANCI | 55193509 | Indirect Cross Interchange | 1 |
| FIAT | 55223356 | Indirect Cross Interchange | 1 |
| MAGNAFLOW | 75817D | Indirect Cross Interchange | 1 |
| FIAT | 55214893 | Indirect Cross Interchange | 1 |
| KLARIUS | 380362 | Indirect Cross Interchange | 1 |
| VAUXHALL | 55181852 | Indirect Cross Interchange | 1 |
| KLARIUS | 322144 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | 321904 | Indirect Cross Interchange | 1 |
| KLARIUS | 321904 | Indirect Cross Interchange | 1 |
| FUELPARTS | AS55708 | Indirect Cross Interchange | 1 |
| FUELPARTS | AS21734 | Indirect Cross Interchange | 1 |
| EEC | VX6045 | Indirect Cross Interchange | 1 |
| EEC | FI6018 | Indirect Cross Interchange | 1 |
| BOSAL | NOCAT | Indirect Cross Interchange | 1 |