| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 18336 | Direct Cross Interchange | 14 |
| FIAT | 82422665 | Direct Cross Interchange | 13 |
| IMASAF | 455833 | Direct Cross Interchange | 11 |
| LANCIA | 82422665 | Direct Cross Interchange | 11 |
| FONOS | 18336 | Direct Cross Interchange | 10 |
| KLARIUS | 311163 | Direct Cross Interchange | 9 |
| MTS | 043103 | Direct Cross Interchange | 9 |
| BOSAL | 099070 | Direct Cross Interchange | 9 |
| QUINTON HAZELL | 311163 | Direct Cross Interchange | 8 |
| VENEPORTE | FA25212K | Direct Cross Interchange | 8 |
| BM CATALYSTS | BM90575 | Direct Cross Interchange | 7 |
| SIGAM | 12301 | Direct Cross Interchange | 7 |
| QUINTON HAZELL | 370095 | Direct Cross Interchange | 5 |
| KLARIUS | 370095 | Direct Cross Interchange | 5 |
| MAGNAFLOW | 81822 | Direct Cross Interchange | 4 |
| ROSI | 311163 | Direct Cross Interchange | 4 |
| MAGNAFLOW | K190 | Direct Cross Interchange | 3 |
| HJS | 90325701 | Indirect Cross Interchange | 10 |
| ASSO | 120007 | Indirect Cross Interchange | 7 |
| ALFAROME/FIAT/LANCI | 82422665 | Indirect Cross Interchange | 5 |
| BOSAL | 098070 | Indirect Cross Interchange | 5 |
| TESH | 311163 | Indirect Cross Interchange | 4 |
| TIMAX | 311163 | Indirect Cross Interchange | 4 |
| ANSA | 311163 | Indirect Cross Interchange | 4 |
| FIAT / LANCIA | 82422665 | Indirect Cross Interchange | 4 |
| LANCIA | 82454251 | Indirect Cross Interchange | 3 |
| MTS | 043078 | Indirect Cross Interchange | 2 |
| DESCAM | 108462 | Indirect Cross Interchange | 2 |
| FABRISCAPE | FA55120C | Indirect Cross Interchange | 2 |
| CATCO | ELN709 | Indirect Cross Interchange | 2 |
| ARVIN | 311163 | Indirect Cross Interchange | 2 |
| ASSO | 240007 | Indirect Cross Interchange | 2 |
| MEFEX | 44002 | Indirect Cross Interchange | 2 |
| EBERSPACHER | 03180 | Indirect Cross Interchange | 2 |
| AUTOBIANCHI | 82454251 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 82422665 | Indirect Cross Interchange | 1 |
| ALFAROME/FIAT/LANCI | 46400081 | Indirect Cross Interchange | 1 |
| BM CATALYSTS | BM90205 | Indirect Cross Interchange | 1 |
| KLARIUS | 311172 | Indirect Cross Interchange | 1 |
| KLARIUS | 311136 | Indirect Cross Interchange | 1 |
| CISAM | 294177 | Indirect Cross Interchange | 1 |
| FONOS | NOCAT | Indirect Cross Interchange | 1 |
| FUELPARTS | AS55120 | Indirect Cross Interchange | 1 |
| AURADIA | R311163 | Indirect Cross Interchange | 1 |
| ZARA | 1944 | Indirect Cross Interchange | 1 |
| BOSAL | 98070 | Indirect Cross Interchange | 1 |
| MTS | 43103 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | 311172 | Indirect Cross Interchange | 1 |
| IMCO | CM457 | Indirect Cross Interchange | 1 |
| FIAT | 82454406 | Indirect Cross Interchange | 1 |
| FIAT | 82454251 | Indirect Cross Interchange | 1 |
| LANCIA | 82454406 | Indirect Cross Interchange | 1 |