| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| AUDI | 1K0121251BL | Direct Cross Interchange | 7 |
| AUDI | 1K0121251AN | Direct Cross Interchange | 7 |
| AUDI | 1K0121251AL | Direct Cross Interchange | 7 |
| NISSENS | 65291A | Direct Cross Interchange | 7 |
| VW | 1K0121251AM | Direct Cross Interchange | 7 |
| QUINTON HAZELL | QER2615 | Indirect Cross Interchange | 3 |
| NRF | 53814 | Indirect Cross Interchange | 3 |
| VW | 1K0121251AL | Indirect Cross Interchange | 3 |
| VW | 1K0121251AN | Indirect Cross Interchange | 3 |
| AKS DASIS | 040029N | Indirect Cross Interchange | 2 |
| QUINTON HAZELL | QER2535 | Indirect Cross Interchange | 2 |
| VALEO | 735251 | Indirect Cross Interchange | 2 |
| KüHLER SCHNEIDER | 1300191 | Indirect Cross Interchange | 2 |
| J. DEUS | RA0300490 | Indirect Cross Interchange | 2 |
| J. DEUS | 030M51 | Indirect Cross Interchange | 2 |
| DENSO | DRM32037 | Indirect Cross Interchange | 2 |
| SEAT | 1K0121251BL | Indirect Cross Interchange | 1 |
| AKG | 47870050000 | Indirect Cross Interchange | 1 |
| GERI | 16338 | Indirect Cross Interchange | 1 |
| SEAT | 1K0121251AN | Indirect Cross Interchange | 1 |
| GERI | 16331 | Indirect Cross Interchange | 1 |
| SEAT | 1K0121251AL | Indirect Cross Interchange | 1 |
| 4SEASONS | 131078 | Indirect Cross Interchange | 1 |
| KLOKKERHOLM | 0026302272 | Indirect Cross Interchange | 1 |
| NISSENS | 65292 | Indirect Cross Interchange | 1 |
| VALEO | 735120 | Indirect Cross Interchange | 1 |
| HELLA | 8MK376765121 | Indirect Cross Interchange | 1 |
| THERMOTEC | D7W036TT | Indirect Cross Interchange | 1 |
| BEHR HELLA SERVICE | 8MK376765121 | Indirect Cross Interchange | 1 |
| AUDI | 3C0121253R | Indirect Cross Interchange | 1 |
| AUDI | 3C0121253AK | Indirect Cross Interchange | 1 |
| AUDI | 1K0121251DP | Indirect Cross Interchange | 1 |
| VAN WEZEL | 58002224 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | QER2542 | Indirect Cross Interchange | 1 |
| VW | 3C0121253R | Indirect Cross Interchange | 1 |
| VW | 3C0121253AK | Indirect Cross Interchange | 1 |
| VW | 1K0121251DP | Indirect Cross Interchange | 1 |
| VW | 1K0121251BL | Indirect Cross Interchange | 1 |
| KAGER | 312835 | Indirect Cross Interchange | 1 |
| SCHLIECKMANN | 60582224 | Indirect Cross Interchange | 1 |
| SKODA | 3C0121253R | Indirect Cross Interchange | 1 |
| SKODA | 3C0121253AK | Indirect Cross Interchange | 1 |
| SKODA | 1K0121251DP | Indirect Cross Interchange | 1 |
| SKODA | 1K0121251BL | Indirect Cross Interchange | 1 |
| SKODA | 1K0121251AN | Indirect Cross Interchange | 1 |
| SKODA | 1K0121251AL | Indirect Cross Interchange | 1 |
| SEAT | 3C0121253R | Indirect Cross Interchange | 1 |
| AVA QUALITY COOLING | VWA2272 | Indirect Cross Interchange | 1 |
| SEAT | 3C0121253AK | Indirect Cross Interchange | 1 |
| AVA QUALITY COOLING | VW2272 | Indirect Cross Interchange | 1 |
| SEAT | 1K0121251DP | Indirect Cross Interchange | 1 |
| AVA QUALITY COOLING | VW2224 | Indirect Cross Interchange | 1 |