| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FIAT | 55183622 | Direct Cross Interchange | 5 |
| LANCIA | 55183622 | Direct Cross Interchange | 4 |
| IMASAF | 258433 | Direct Cross Interchange | 4 |
| SIGAM | 13152 | Direct Cross Interchange | 3 |
| MTS | 044202 | Direct Cross Interchange | 3 |
| MAGNAFLOW | 71814 | Direct Cross Interchange | 3 |
| QUINTON HAZELL | 322055 | Direct Cross Interchange | 1 |
| ROSI | 322055 | Direct Cross Interchange | 1 |
| KLARIUS | 322055 | Direct Cross Interchange | 1 |
| BM CATALYSTS | BM91320H | Indirect Cross Interchange | 4 |
| KLARIUS | 322317 | Indirect Cross Interchange | 3 |
| QUINTON HAZELL | 322317 | Indirect Cross Interchange | 3 |
| ALFAROME/FIAT/LANCI | 51795488 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 51795488 | Indirect Cross Interchange | 2 |
| FIAT | 51795488 | Indirect Cross Interchange | 2 |
| FIAT | 51838402 | Indirect Cross Interchange | 1 |
| LANCIA | 55198848 | Indirect Cross Interchange | 1 |
| LANCIA | 55193287 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 55198848 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 55193287 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 55183622 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 51838402 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 51795487 | Indirect Cross Interchange | 1 |
| TESH | 322317 | Indirect Cross Interchange | 1 |
| LANCIA | 51838402 | Indirect Cross Interchange | 1 |
| LANCIA | 51795487 | Indirect Cross Interchange | 1 |
| FIAT | 55198848 | Indirect Cross Interchange | 1 |
| FIAT | 55193287 | Indirect Cross Interchange | 1 |
| FIAT | 51795487 | Indirect Cross Interchange | 1 |