| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| METZGER | CR521 | Direct Cross Interchange | 1 |
| OJD (QUICK BRAKE) | 0521 | Indirect Cross Interchange | 1 |
| NK | 7947521 | Indirect Cross Interchange | 1 |
| TRISCAN | 8105292286 | Indirect Cross Interchange | 1 |
| DELPHI | LY1008 | Indirect Cross Interchange | 1 |
| TRW | SFK14 | Indirect Cross Interchange | 1 |
| PEX | 521 | Indirect Cross Interchange | 1 |
| BENDIX | 334325B | Indirect Cross Interchange | 1 |
| JURID | 771026J | Indirect Cross Interchange | 1 |
| A.B.S. | 0521Q | Indirect Cross Interchange | 1 |
| TEXTAR | 97001400 | Indirect Cross Interchange | 1 |
| ATE | 03013792292 | Indirect Cross Interchange | 1 |