| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BENDIX | R921 | Direct Cross Interchange | 1 |
| AutoZone | R921 | Indirect Cross Interchange | 1 |
| FMSI | 1623S921 | Indirect Cross Interchange | 1 |
| CENTRIC | 11109210 | Indirect Cross Interchange | 1 |
| ACDelco | 17921B | Indirect Cross Interchange | 1 |