| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| PEX | 531 | Direct Cross Interchange | 3 |
| A.B.S. | 0531Q | Direct Cross Interchange | 2 |
| TRW | SFK23 | Direct Cross Interchange | 2 |
| OJD (QUICK BRAKE) | 0531 | Indirect Cross Interchange | 2 |
| TRISCAN | 8105292294 | Indirect Cross Interchange | 2 |
| ATE | 03013791512 | Indirect Cross Interchange | 2 |
| DELPHI | LY1172 | Indirect Cross Interchange | 2 |
| BOSCH | 1987475079 | Indirect Cross Interchange | 1 |
| ATE | 669151 | Indirect Cross Interchange | 1 |
| ATE | 3013791512 | Indirect Cross Interchange | 1 |
| LUCAS ELECTRICAL | SFK23 | Indirect Cross Interchange | 1 |
| BENDIX | 771197B | Indirect Cross Interchange | 1 |
| METZGER | CR531 | Indirect Cross Interchange | 1 |
| TEXTAR | 9740100160091 | Indirect Cross Interchange | 1 |
| HAVAM | HP3531 | Indirect Cross Interchange | 1 |