| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 19776 | Direct Cross Interchange | 8 |
| VW | 023131701GX | Direct Cross Interchange | 6 |
| BM CATALYSTS | BM90280 | Direct Cross Interchange | 5 |
| BOSAL | 099908 | Direct Cross Interchange | 5 |
| QUINTON HAZELL | 370441 | Direct Cross Interchange | 4 |
| KLARIUS | 370441 | Direct Cross Interchange | 4 |
| VENEPORTE | VW80456K | Direct Cross Interchange | 3 |
| TWINTEC | 22300023 | Direct Cross Interchange | 3 |
| AS | AS37023 | Direct Cross Interchange | 1 |
| BOSAL | 99908 | Direct Cross Interchange | 1 |
| AS | 37885 | Indirect Cross Interchange | 7 |
| KLARIUS | 311719 | Indirect Cross Interchange | 5 |
| BM CATALYSTS | BM90280H | Indirect Cross Interchange | 5 |
| QUINTON HAZELL | 311719 | Indirect Cross Interchange | 4 |
| LRT | 7073EU2 | Indirect Cross Interchange | 4 |
| HJS | 90115047 | Indirect Cross Interchange | 4 |
| ERNST | 754040 | Indirect Cross Interchange | 4 |
| MTS | 043878 | Indirect Cross Interchange | 4 |
| DINEX | 74315 | Indirect Cross Interchange | 4 |
| EEC | VK8029T | Indirect Cross Interchange | 3 |
| IMASAF | 728043 | Indirect Cross Interchange | 3 |
| FONOS | 19776 | Indirect Cross Interchange | 3 |
| FENNO | P755CAT | Indirect Cross Interchange | 3 |
| HJS | 90116047 | Indirect Cross Interchange | 3 |
| VAG | 023131701GX | Indirect Cross Interchange | 3 |
| ASSO | 580026 | Indirect Cross Interchange | 3 |
| VW | 023131701BX | Indirect Cross Interchange | 2 |
| VAG | 02313170 | Indirect Cross Interchange | 2 |
| VW | 02313170 | Indirect Cross Interchange | 2 |
| VW/SEAT | 023131701GX | Indirect Cross Interchange | 2 |
| VW/SEAT | 02313170 | Indirect Cross Interchange | 2 |
| MAGNAFLOW | 88840 | Indirect Cross Interchange | 2 |
| DANSK | VW19776 | Indirect Cross Interchange | 1 |
| VW | 023131701B | Indirect Cross Interchange | 1 |
| DANSK | 19776 | Indirect Cross Interchange | 1 |
| VAG | 023131701BX | Indirect Cross Interchange | 1 |
| FUELPARTS | AS37023 | Indirect Cross Interchange | 1 |
| VW | 023131701G | Indirect Cross Interchange | 1 |
| JP GROUP | VW19776 | Indirect Cross Interchange | 1 |
| VW | 023131701F | Indirect Cross Interchange | 1 |
| MEFEX | 48040 | Indirect Cross Interchange | 1 |
| DINEX | 74374 | Indirect Cross Interchange | 1 |
| HJS | 90115673 | Indirect Cross Interchange | 1 |
| HJS | 90115047* | Indirect Cross Interchange | 1 |
| IMASAF | 928043 | Indirect Cross Interchange | 1 |
| GAT EUROKAT | 19036 | Indirect Cross Interchange | 1 |
| DRISTA A/S | 19776 | Indirect Cross Interchange | 1 |
| ERNST | 116336 | Indirect Cross Interchange | 1 |
| MAGNAFLOW | K541 | Indirect Cross Interchange | 1 |
| LRT | 7072 | Indirect Cross Interchange | 1 |
| LEISTRITZ | 7647934 | Indirect Cross Interchange | 1 |
| FABRISCAPE | VW37885C | Indirect Cross Interchange | 1 |
| EBERSPACHER | 12120 | Indirect Cross Interchange | 1 |