| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| AS | 21721 | Direct Cross Interchange | 3 |
| BOSAL | 099409 | Direct Cross Interchange | 2 |
| MAGNAFLOW | 85884 | Direct Cross Interchange | 2 |
| FUELPARTS | PAS21916 | Direct Cross Interchange | 1 |
| VAUXHALL | 855119 | Direct Cross Interchange | 1 |
| VAUXHALL | 1061914 | Direct Cross Interchange | 1 |
| BM CATALYSTS | BM90772 | Indirect Cross Interchange | 4 |
| HJS | 90145813 | Indirect Cross Interchange | 3 |
| ERNST | 755658 | Indirect Cross Interchange | 2 |
| WALKER | 20963 | Indirect Cross Interchange | 2 |
| KLARIUS | 322723 | Indirect Cross Interchange | 2 |
| QUINTON HAZELL | 322723 | Indirect Cross Interchange | 2 |
| OPEL | 855119 | Indirect Cross Interchange | 2 |
| FONOS | 20963 | Indirect Cross Interchange | 2 |
| SIGAM | 40196 | Indirect Cross Interchange | 2 |
| MTS | 044089 | Indirect Cross Interchange | 2 |
| EEC | VX6026 | Indirect Cross Interchange | 1 |
| GAT EUROKAT | 13307 | Indirect Cross Interchange | 1 |
| ROSI | 322723 | Indirect Cross Interchange | 1 |
| MAGNAFLOW | 23504 | Indirect Cross Interchange | 1 |
| MAGNAFLOW | K402 | Indirect Cross Interchange | 1 |
| CATCO | 4134 | Indirect Cross Interchange | 1 |