| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKODA | 3B0121321 | Direct Cross Interchange | 7 |
| SEAT | 3B0121321 | Direct Cross Interchange | 7 |
| AUDI | 3B0121321 | Direct Cross Interchange | 6 |
| GATES | RC228 | Direct Cross Interchange | 6 |
| BUGIAD | BSP20392 | Direct Cross Interchange | 6 |
| VW | 3B0121321 | Direct Cross Interchange | 6 |
| ORIGINAL IMPERIUM | 43016 | Direct Cross Interchange | 5 |
| BIRTH | 8684 | Direct Cross Interchange | 5 |
| CALORSTAT by Vernet | RC0011 | Direct Cross Interchange | 4 |
| TRISCAN | 861023 | Direct Cross Interchange | 3 |
| AKS DASIS | 750046N | Direct Cross Interchange | 3 |
| LUK | 861023 | Direct Cross Interchange | 1 |
| VEMO | V100490 | Direct Cross Interchange | 1 |
| MEYLE | 1002380002 | Indirect Cross Interchange | 6 |
| FIRST LINE | FRC112 | Indirect Cross Interchange | 3 |
| VAG | 3B0121321 | Indirect Cross Interchange | 2 |
| QUINTON HAZELL | FC520 | Indirect Cross Interchange | 2 |
| BGA | CC3009 | Indirect Cross Interchange | 2 |
| TOPRAN | 107532 | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | 1J0121321B | Indirect Cross Interchange | 1 |
| Stant | 10249 | Indirect Cross Interchange | 1 |
| VW | 8E0121321 | Indirect Cross Interchange | 1 |
| GATES | RC211 | Indirect Cross Interchange | 1 |
| SKODA | 1J0121321B | Indirect Cross Interchange | 1 |
| GATES | 31529 | Indirect Cross Interchange | 1 |
| VAICO | V100490 | Indirect Cross Interchange | 1 |
| SKODA | 1J0121321A | Indirect Cross Interchange | 1 |
| VAICO | V100209 | Indirect Cross Interchange | 1 |
| SKODA | 1J0121321 | Indirect Cross Interchange | 1 |
| MAXGEAR | 280210 | Indirect Cross Interchange | 1 |
| SEAT | 8E0121321 | Indirect Cross Interchange | 1 |
| VEMA | 15916 | Indirect Cross Interchange | 1 |
| VW | 1J0121321B | Indirect Cross Interchange | 1 |
| ORIGINAL IMPERIUM | 43000 | Indirect Cross Interchange | 1 |
| SKODA | 8E0121321 | Indirect Cross Interchange | 1 |
| FEBI BILSTEIN | 14700 | Indirect Cross Interchange | 1 |
| TRISCAN | 861023 | Indirect Cross Interchange | 1 |
| TRISCAN | 1862001 | Indirect Cross Interchange | 1 |
| TRISCAN | 143523 | Indirect Cross Interchange | 1 |
| AUDI | 1J0121321B | Indirect Cross Interchange | 1 |
| IMC | 11854022589 | Indirect Cross Interchange | 1 |
| IMC | 11854022500 | Indirect Cross Interchange | 1 |
| DORMAN | 603703 | Indirect Cross Interchange | 1 |
| CARQUEST | 33056 | Indirect Cross Interchange | 1 |
| AUDI | 8E0121321 | Indirect Cross Interchange | 1 |
| SWAG | 30914700 | Indirect Cross Interchange | 1 |
| SEAT | 1J0121321B | Indirect Cross Interchange | 1 |
| SEAT | 1J0121321A | Indirect Cross Interchange | 1 |
| SEAT | 1J0121321 | Indirect Cross Interchange | 1 |
| METZGER | 2140037 | Indirect Cross Interchange | 1 |
| VAG | 1J0121321B | Indirect Cross Interchange | 1 |
| VAG | 1J0121321A | Indirect Cross Interchange | 1 |
| WD EXPRESS | 11854022589 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 11854022500 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | 1J0121321BMY | Indirect Cross Interchange | 1 |