| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 20506 | Direct Cross Interchange | 12 |
| BM CATALYSTS | BM90184 | Direct Cross Interchange | 8 |
| QUINTON HAZELL | 311255 | Direct Cross Interchange | 7 |
| KLARIUS | 311255 | Direct Cross Interchange | 7 |
| FIAT | 7783574 | Direct Cross Interchange | 7 |
| QUINTON HAZELL | 370110 | Direct Cross Interchange | 5 |
| VENEPORTE | LC43066K | Direct Cross Interchange | 5 |
| KLARIUS | 370110 | Direct Cross Interchange | 5 |
| BOSAL | 099069 | Direct Cross Interchange | 5 |
| BOSAL | 098069 | Direct Cross Interchange | 5 |
| FIAT | 7710252 | Direct Cross Interchange | 5 |
| FIAT | 7794798 | Direct Cross Interchange | 4 |
| BOSAL | 98069 | Direct Cross Interchange | 2 |
| FIAT | 7794797 | Direct Cross Interchange | 1 |
| AS | AS55197 | Direct Cross Interchange | 1 |
| BOSAL | 99069 | Direct Cross Interchange | 1 |
| AS | 55197 | Indirect Cross Interchange | 9 |
| IMASAF | 444033 | Indirect Cross Interchange | 8 |
| FONOS | 20506 | Indirect Cross Interchange | 7 |
| ASSO | 120023 | Indirect Cross Interchange | 7 |
| MTS | 043155 | Indirect Cross Interchange | 6 |
| SIGAM | 12316 | Indirect Cross Interchange | 6 |
| ALFAROME/FIAT/LANCI | 7783574 | Indirect Cross Interchange | 5 |
| EEC | FI8017TBP | Indirect Cross Interchange | 4 |
| FIAT / LANCIA | 7783574 | Indirect Cross Interchange | 4 |
| ALFAROME/FIAT/LANCI | 7794798 | Indirect Cross Interchange | 3 |
| ALFAROME/FIAT/LANCI | 7710252 | Indirect Cross Interchange | 3 |
| MAGNAFLOW | 81818 | Indirect Cross Interchange | 3 |
| LANCIA | 7794798 | Indirect Cross Interchange | 3 |
| LANCIA | 7783574 | Indirect Cross Interchange | 3 |
| LANCIA | 7710252 | Indirect Cross Interchange | 3 |
| EEC | FI8017T | Indirect Cross Interchange | 2 |
| MAGNAFLOW | K111 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 7710252 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 7794798 | Indirect Cross Interchange | 2 |
| ARVIN | 311255 | Indirect Cross Interchange | 1 |
| FUELPARTS | AS55197 | Indirect Cross Interchange | 1 |
| TIMAX | 311255 | Indirect Cross Interchange | 1 |
| ROSI | 311255 | Indirect Cross Interchange | 1 |
| ALFA ROMEO | 7794798 | Indirect Cross Interchange | 1 |
| ALFA ROMEO | 7783574 | Indirect Cross Interchange | 1 |
| ALFA ROMEO | 7710252 | Indirect Cross Interchange | 1 |
| ANSA | 311255 | Indirect Cross Interchange | 1 |
| EBERSPACHER | 05111 | Indirect Cross Interchange | 1 |
| EBERSPACHER | 03156 | Indirect Cross Interchange | 1 |
| TESH | 311255 | Indirect Cross Interchange | 1 |
| ALFAROME/FIAT/LANCI | 7794797 | Indirect Cross Interchange | 1 |
| VENEPORTE | FA25264K | Indirect Cross Interchange | 1 |
| DESCAM | 131712 | Indirect Cross Interchange | 1 |
| FABRISCAPE | FA55197C | Indirect Cross Interchange | 1 |