| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| KLARIUS | 321505 | Direct Cross Interchange | 5 |
| BM CATALYSTS | BM80213H | Direct Cross Interchange | 3 |
| BOSAL | 099462 | Direct Cross Interchange | 3 |
| OPEL | 24423926 | Direct Cross Interchange | 2 |
| VAUXHALL | 24423926 | Direct Cross Interchange | 2 |
| QUINTON HAZELL | 321505 | Indirect Cross Interchange | 4 |
| WALKER | 20773 | Indirect Cross Interchange | 4 |
| EEC | VX6015 | Indirect Cross Interchange | 4 |
| AS | 21725D | Indirect Cross Interchange | 3 |
| FONOS | 20773 | Indirect Cross Interchange | 3 |
| MTS | 043677 | Indirect Cross Interchange | 2 |
| ERNST | 752220 | Indirect Cross Interchange | 2 |
| TWINTEC | 22405043 | Indirect Cross Interchange | 2 |
| HJS | 90145301 | Indirect Cross Interchange | 2 |
| IMASAF | 533343 | Indirect Cross Interchange | 2 |
| ASSO | 340075 | Indirect Cross Interchange | 2 |
| MAGNAFLOW | 75803D | Indirect Cross Interchange | 2 |
| CATCO | 4121 | Indirect Cross Interchange | 1 |
| FUELPARTS | PAS21725 | Indirect Cross Interchange | 1 |
| EEC | VX6015T | Indirect Cross Interchange | 1 |
| WALKER | 15554 | Indirect Cross Interchange | 1 |
| BOSAL | 99462 | Indirect Cross Interchange | 1 |
| OPEL | R1620077 | Indirect Cross Interchange | 1 |
| OPEL | 5854182 | Indirect Cross Interchange | 1 |
| GENERAL MOTORS | R1620077 | Indirect Cross Interchange | 1 |
| GENERAL MOTORS | 5854182 | Indirect Cross Interchange | 1 |
| GENERAL MOTORS | 24423926 | Indirect Cross Interchange | 1 |
| EASTERN CATALYTIC | 40102 | Indirect Cross Interchange | 1 |
| UltraFit | CC1291 | Indirect Cross Interchange | 1 |
| AP EXHAUST | 642361 | Indirect Cross Interchange | 1 |
| MAREMONT | 28954 | Indirect Cross Interchange | 1 |
| AutoZone | 099462 | Indirect Cross Interchange | 1 |
| AUTOPART INTERNATIONAL | 27649 | Indirect Cross Interchange | 1 |
| VAUXHALL | R1620077 | Indirect Cross Interchange | 1 |
| SIGAM | 40199 | Indirect Cross Interchange | 1 |
| VAUXHALL | 854182 | Indirect Cross Interchange | 1 |
| BM CATALYSTS | BM80213 | Indirect Cross Interchange | 1 |
| VAUXHALL | 5854182 | Indirect Cross Interchange | 1 |
| BM CATALYSTS | 80213H | Indirect Cross Interchange | 1 |
| MAGNAFLOW | 23681 | Indirect Cross Interchange | 1 |
| VENEPORTE | OP40518K | Indirect Cross Interchange | 1 |