| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| HELLA | 5HL351321521 | Direct Cross Interchange | 3 |
| AUDI | 8K0820521B | Direct Cross Interchange | 2 |
| AUDI | 8K0820521 | Direct Cross Interchange | 2 |
| BEHR HELLA SERVICE | 5HL351321521 | Direct Cross Interchange | 1 |
| VEMO | 10790018 | Direct Cross Interchange | 1 |
| AUDI | 8K0820521C | Direct Cross Interchange | 1 |
| CARQUEST | 5369834 | Indirect Cross Interchange | 2 |
| BEHR HELLA SERVICE | 5HL351321521 | Indirect Cross Interchange | 2 |
| AIRTEX | 4P1612 | Indirect Cross Interchange | 2 |
| WELLS | JA1734 | Indirect Cross Interchange | 2 |
| HELLA | 351321521 | Indirect Cross Interchange | 1 |
| BEHR THERMOT-TRONIK | P1443 | Indirect Cross Interchange | 1 |