| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DURA | BP721MS | Direct Cross Interchange | 1 |
| WAGNER | PD721 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 871554 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 0871554 | Indirect Cross Interchange | 1 |
| ORIGINAL ENGINE MANAGEMENT | 7589D721MS | Indirect Cross Interchange | 1 |
| OE | 7589D721MS | Indirect Cross Interchange | 1 |
| FMSI | 7589D721M | Indirect Cross Interchange | 1 |
| CENTRIC | 10407210 | Indirect Cross Interchange | 1 |
| CENTRIC | 10207210 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2872101 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2472101 | Indirect Cross Interchange | 1 |
| AMERICAN REMANUFACTURING | 762D721 | Indirect Cross Interchange | 1 |
| BENDIX | MRD721 | Indirect Cross Interchange | 1 |
| BENDIX | MKD721 | Indirect Cross Interchange | 1 |
| BENDIX | D721MS | Indirect Cross Interchange | 1 |
| BENDIX | D721M | Indirect Cross Interchange | 1 |