| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DELPHI | LY1177 | Direct Cross Interchange | 1 |
| PEX | 668 | Indirect Cross Interchange | 1 |
| MINTEX | MBA668 | Indirect Cross Interchange | 1 |
| BENDIX | 771238B | Indirect Cross Interchange | 1 |
| A.B.S. | 0668Q | Indirect Cross Interchange | 1 |
| OJD (QUICK BRAKE) | 0668 | Indirect Cross Interchange | 1 |
| MGA | R134 | Indirect Cross Interchange | 1 |