| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DURA | BP721C | Direct Cross Interchange | 1 |
| BECK/ARNLEY | 0881554C | Indirect Cross Interchange | 1 |
| QUALITEE | CE721 | Indirect Cross Interchange | 1 |
| ORIGINAL ENGINE MANAGEMENT | 7589D721C | Indirect Cross Interchange | 1 |
| Morse Brake | CMX721 | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | PR721C | Indirect Cross Interchange | 1 |
| OE | 7589D721C | Indirect Cross Interchange | 1 |
| CENTRIC | 10507210 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 1672112 | Indirect Cross Interchange | 1 |
| AMERICAN REMANUFACTURING | 68D721 | Indirect Cross Interchange | 1 |
| BENDIX | D721CT | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD721QS | Indirect Cross Interchange | 1 |