| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| HOFFER | 7519060 | Direct Cross Interchange | 10 |
| MEAT & DORIA | 89060 | Direct Cross Interchange | 10 |
| MAGNETI MARELLI | 802007506203 | Direct Cross Interchange | 9 |
| FIAT | 77363827 | Direct Cross Interchange | 9 |
| FIAT | 71788736 | Direct Cross Interchange | 7 |
| SIDAT | 88060 | Direct Cross Interchange | 7 |
| FISPA | 88060 | Direct Cross Interchange | 7 |
| MAGNETI MARELLI | 40SMF101 | Direct Cross Interchange | 6 |
| HELLA | 007623171 | Direct Cross Interchange | 2 |
| ALFA ROMEO | 77363827 | Indirect Cross Interchange | 4 |
| LANCIA | 77363827 | Indirect Cross Interchange | 4 |
| MAGNETI MARELLI | 44SMF101 | Indirect Cross Interchange | 4 |
| OPTIMAL | G3987 | Indirect Cross Interchange | 1 |
| FRAP | 2989 | Indirect Cross Interchange | 1 |
| MALò | 14979 | Indirect Cross Interchange | 1 |
| MALò | 14978 | Indirect Cross Interchange | 1 |
| BENDIX | 041528B | Indirect Cross Interchange | 1 |
| OCAP | 1215766 | Indirect Cross Interchange | 1 |
| OCAP | 1215765 | Indirect Cross Interchange | 1 |
| OCAP | 0402357 | Indirect Cross Interchange | 1 |
| FLENNOR | FL8769D | Indirect Cross Interchange | 1 |