| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| PEX | 1251 | Direct Cross Interchange | 4 |
| A.B.S. | 1251Q | Direct Cross Interchange | 3 |
| TRW | PFK381 | Direct Cross Interchange | 3 |
| MINTEX | MBA1251 | Direct Cross Interchange | 2 |
| OJD (QUICK BRAKE) | 1251 | Direct Cross Interchange | 2 |
| HERTH+BUSS JAKOPARTS | J3661013 | Direct Cross Interchange | 2 |
| QUINTON HAZELL | BFK782 | Direct Cross Interchange | 1 |
| KAWE | Q1251 | Direct Cross Interchange | 1 |
| SUZUKI | 2281251000 | Indirect Cross Interchange | 3 |
| HP | 4651 | Indirect Cross Interchange | 2 |
| TEXTAR | 97200052591 | Indirect Cross Interchange | 1 |
| NK | 7952251 | Indirect Cross Interchange | 1 |
| LUCAS ELECTRICAL | PFK381 | Indirect Cross Interchange | 1 |
| A.P. | LX0250 | Indirect Cross Interchange | 1 |
| MOPROD | MFK782 | Indirect Cross Interchange | 1 |
| TOYOTA | 2281251000 | Indirect Cross Interchange | 1 |
| AUGROS | 5544138Q | Indirect Cross Interchange | 1 |