| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 20448 | Direct Cross Interchange | 10 |
| BOSAL | 099220 | Direct Cross Interchange | 10 |
| ASSO | 120153 | Direct Cross Interchange | 9 |
| AS | 55269D | Direct Cross Interchange | 9 |
| MTS | 041725 | Direct Cross Interchange | 9 |
| FIAT | 46468233 | Direct Cross Interchange | 9 |
| FONOS | 20448 | Direct Cross Interchange | 7 |
| QUINTON HAZELL | 311518 | Direct Cross Interchange | 7 |
| KLARIUS | 311518 | Direct Cross Interchange | 7 |
| SIGAM | 11309 | Direct Cross Interchange | 7 |
| VENEPORTE | FA25766K | Direct Cross Interchange | 3 |
| BM CATALYSTS | BM80043 | Indirect Cross Interchange | 3 |
| ALFAROME/FIAT/LANCI | 46468233 | Indirect Cross Interchange | 3 |
| BOSAL | 098220 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 46468233 | Indirect Cross Interchange | 2 |
| FABRISCAPE | FA55269DC | Indirect Cross Interchange | 2 |
| EEC | FI6004 | Indirect Cross Interchange | 2 |
| MAGNAFLOW | K319 | Indirect Cross Interchange | 2 |
| MAGNAFLOW | 81864D | Indirect Cross Interchange | 2 |
| KLARIUS | 370624 | Indirect Cross Interchange | 1 |
| MTS | 41725 | Indirect Cross Interchange | 1 |
| MTS | 0417250 | Indirect Cross Interchange | 1 |
| ZARA | NOCAT | Indirect Cross Interchange | 1 |
| ROSI | 311518 | Indirect Cross Interchange | 1 |
| ANSA | NOCAT | Indirect Cross Interchange | 1 |
| Dec Catalytic Converters | VW3450 | Indirect Cross Interchange | 1 |
| Dec Catalytic Converters | AU1351 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | 370624 | Indirect Cross Interchange | 1 |