| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WAGNER | 30921 | Direct Cross Interchange | 2 |
| PHILIPS | MBC921 | Direct Cross Interchange | 2 |
| PHILIPS | 921BC | Direct Cross Interchange | 2 |
| SYLVANIA | 921BP | Direct Cross Interchange | 2 |
| WAGNER | WL93474 | Direct Cross Interchange | 2 |
| WAGNER | WL30921 | Direct Cross Interchange | 2 |
| EiKO | 921LL | Indirect Cross Interchange | 1 |
| EiKO | 921 | Indirect Cross Interchange | 1 |
| AutoZone | 921LL | Indirect Cross Interchange | 1 |
| AutoZone | 921 | Indirect Cross Interchange | 1 |
| GE | 921 | Indirect Cross Interchange | 1 |