| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| CALORSTAT by Vernet | BS4552 | Direct Cross Interchange | 7 |
| FAE | 24650 | Direct Cross Interchange | 6 |
| QUINTON HAZELL | XBLS64 | Direct Cross Interchange | 6 |
| LUCAS ELECTRICAL | SMB552 | Direct Cross Interchange | 5 |
| FIAT | 82444707 | Direct Cross Interchange | 5 |
| CALORSTAT by Vernet | 4552 | Direct Cross Interchange | 3 |
| ERA | 330521 | Direct Cross Interchange | 3 |
| INTERMOTOR | 51688 | Direct Cross Interchange | 3 |
| KW | 510077 | Direct Cross Interchange | 2 |
| EPS | 1810077 | Direct Cross Interchange | 2 |
| FAE | 2465 | Direct Cross Interchange | 1 |
| HAVAM | 1810077 | Indirect Cross Interchange | 4 |
| TRW | 601553 | Indirect Cross Interchange | 2 |
| INTERMOTOR | 51688 | Indirect Cross Interchange | 1 |
| PEX | 320078 | Indirect Cross Interchange | 1 |
| FIAT / LANCIA | 82444707 | Indirect Cross Interchange | 1 |
| LUCAS | SMB552 | Indirect Cross Interchange | 1 |
| FAE | 1810077 | Indirect Cross Interchange | 1 |
| ERA | 601553 | Indirect Cross Interchange | 1 |
| ALFRED HEYD | VRB193 | Indirect Cross Interchange | 1 |