| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TRW Engine Component | 3070 | Direct Cross Interchange | 3 |
| PORSCHE | 93010540913 | Direct Cross Interchange | 2 |
| PORSCHE | 93010540901 | Direct Cross Interchange | 2 |
| TRW | 3070 | Direct Cross Interchange | 1 |
| INTERVALVES | 1866 | Indirect Cross Interchange | 1 |