| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BM CATALYSTS | BM90725H | Direct Cross Interchange | 1 |
| WALKER | 20480 | Indirect Cross Interchange | 1 |
| EEC | VX6002T | Indirect Cross Interchange | 1 |
| KLARIUS | 321300 | Indirect Cross Interchange | 1 |
| MAGNAFLOW | 85850 | Indirect Cross Interchange | 1 |
| AS | 21691 | Indirect Cross Interchange | 1 |
| VAUXHALL | 858157 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | 321300 | Indirect Cross Interchange | 1 |
| OPEL | 858157 | Indirect Cross Interchange | 1 |
| BOSAL | 099587 | Indirect Cross Interchange | 1 |