| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| METZGER | Z1241 | Direct Cross Interchange | 7 |
| PEX | 1241 | Direct Cross Interchange | 6 |
| DELPHI | LX0340 | Direct Cross Interchange | 5 |
| NK | 7915241 | Direct Cross Interchange | 4 |
| TRISCAN | 8105111615 | Direct Cross Interchange | 4 |
| A.B.S. | 1241Q | Direct Cross Interchange | 4 |
| BOSCH | 1987474268 | Direct Cross Interchange | 3 |
| TRW | PFK436 | Indirect Cross Interchange | 3 |
| BMW | 21112410000 | Indirect Cross Interchange | 3 |
| LUCAS ELECTRICAL | PFK436 | Indirect Cross Interchange | 2 |
| HAVAM | BP20217 | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | BFK896 | Indirect Cross Interchange | 1 |
| BMW | 34211163399 | Indirect Cross Interchange | 1 |
| TOPRAN | 104491 | Indirect Cross Interchange | 1 |
| OJD (QUICK BRAKE) | OJD1241 | Indirect Cross Interchange | 1 |
| TRISCAN | 291241 | Indirect Cross Interchange | 1 |
| BOSCH | 1987474268 | Indirect Cross Interchange | 1 |