| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DURA | BP621MS | Direct Cross Interchange | 1 |
| FMSI | 7497D621M | Indirect Cross Interchange | 1 |
| CENTRIC | 10206210 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2862101 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2462102 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2462101 | Indirect Cross Interchange | 1 |
| AMERICAN REMANUFACTURING | 762D621 | Indirect Cross Interchange | 1 |
| BENDIX | MRD621 | Indirect Cross Interchange | 1 |
| BENDIX | MKD621 | Indirect Cross Interchange | 1 |
| BENDIX | D621MS | Indirect Cross Interchange | 1 |
| WAGNER | PD621 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 871482 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 0871482 | Indirect Cross Interchange | 1 |
| ORIGINAL ENGINE MANAGEMENT | 7497D621MS | Indirect Cross Interchange | 1 |
| OE | 7497D621MS | Indirect Cross Interchange | 1 |