| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SEAT | 6R0121253 | Direct Cross Interchange | 6 |
| HELLA | 8MK376754281 | Direct Cross Interchange | 5 |
| SCHLIECKMANN | 60492037 | Direct Cross Interchange | 5 |
| AKS DASIS | 330004N | Direct Cross Interchange | 5 |
| AVA QUALITY COOLING | ST2037 | Direct Cross Interchange | 5 |
| J. DEUS | 025M29 | Direct Cross Interchange | 4 |
| NRF | 53024 | Direct Cross Interchange | 4 |
| BEHR HELLA SERVICE | 8MK376754281 | Direct Cross Interchange | 3 |
| AUGROS | 55106348 | Direct Cross Interchange | 2 |
| NISSENS | 640012 | Indirect Cross Interchange | 6 |
| KüHLER SCHNEIDER | 2300041 | Indirect Cross Interchange | 4 |
| MAGNETI MARELLI | 350213127900 | Indirect Cross Interchange | 3 |
| VW | 6R0121253 | Indirect Cross Interchange | 3 |
| HELLA | 376754281 | Indirect Cross Interchange | 2 |
| AUDI | 6R0121253L | Indirect Cross Interchange | 1 |
| AUDI | 6R0121253A | Indirect Cross Interchange | 1 |
| AUDI | 6R0121253 | Indirect Cross Interchange | 1 |
| KAGER | 314244 | Indirect Cross Interchange | 1 |
| BEHR HELLA SERVICE | 8MK376754281 | Indirect Cross Interchange | 1 |
| SKODA | 6R0121253L | Indirect Cross Interchange | 1 |
| SKODA | 6R0121253A | Indirect Cross Interchange | 1 |
| SKODA | 6R0121253 | Indirect Cross Interchange | 1 |
| SEAT | 6R0121253L | Indirect Cross Interchange | 1 |
| SEAT | 6R0121253A | Indirect Cross Interchange | 1 |
| VAG | 6R0121253 | Indirect Cross Interchange | 1 |
| VW | 6R0121253L | Indirect Cross Interchange | 1 |
| VW | 6R0121253A | Indirect Cross Interchange | 1 |
| VW/SEAT | 6R0121253 | Indirect Cross Interchange | 1 |
| AKS DASIS | ST2037 | Indirect Cross Interchange | 1 |