| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BERU | 0001335917 | Direct Cross Interchange | 2 |
| BOSCH | 0242236583 | Direct Cross Interchange | 2 |
| NGK | PFR6S11E | Indirect Cross Interchange | 1 |
| VW | 101906631E | Indirect Cross Interchange | 1 |
| VW | 101905611D | Indirect Cross Interchange | 1 |
| VW | 101905611A | Indirect Cross Interchange | 1 |
| BOSCH | FR7KPP332U | Indirect Cross Interchange | 1 |
| BOSCH | F7KPP332UBF | Indirect Cross Interchange | 1 |
| BOSCH | F7KPP332UB | Indirect Cross Interchange | 1 |
| BOSCH | F7KPP332U | Indirect Cross Interchange | 1 |
| NGK | PFR6X11 | Indirect Cross Interchange | 1 |