| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DURA | BP721MS | Direct Cross Interchange | 2 |
| BECK/ARNLEY | 0871554 | Direct Cross Interchange | 2 |
| CENTRIC | 10207210 | Indirect Cross Interchange | 2 |
| BENDIX | MKD721 | Indirect Cross Interchange | 2 |
| ORIGINAL ENGINE MANAGEMENT | 7589D721MS | Indirect Cross Interchange | 1 |
| BENDIX | D721MS | Indirect Cross Interchange | 1 |
| SUBARU | 26296FE060 | Indirect Cross Interchange | 1 |
| BENDIX | D721M | Indirect Cross Interchange | 1 |
| SUBARU | 26296AE220 | Indirect Cross Interchange | 1 |
| MONROE | DX722 | Indirect Cross Interchange | 1 |
| SUBARU | 26296AE080 | Indirect Cross Interchange | 1 |
| MONROE | DX721 | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD929M | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD721M | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2872101 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2472102 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2472101 | Indirect Cross Interchange | 1 |
| TRW | TPC0721 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 1492912 | Indirect Cross Interchange | 1 |
| WAWD | 700551M | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 1472112 | Indirect Cross Interchange | 1 |
| QUALITEE | MF721 | Indirect Cross Interchange | 1 |
| AMERICAN REMANUFACTURING | 762D721 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210508 | Indirect Cross Interchange | 1 |
| SUBARU | 26296AE010 | Indirect Cross Interchange | 1 |
| AMERICAN REMANUFACTURING | 62D721 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210507 | Indirect Cross Interchange | 1 |
| SUBARU | 26296AC070 | Indirect Cross Interchange | 1 |
| BENDIX | MRD721 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210504 | Indirect Cross Interchange | 1 |
| SUBARU | 26296AC060 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210503 | Indirect Cross Interchange | 1 |
| SUBARU | 26296AC041 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210462 | Indirect Cross Interchange | 1 |
| SUBARU | 26296AC040 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210325 | Indirect Cross Interchange | 1 |
| OE | 7589D721MS | Indirect Cross Interchange | 1 |
| IMC | 52007210508 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210091 | Indirect Cross Interchange | 1 |
| IMC | 52007210507 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210090 | Indirect Cross Interchange | 1 |
| IMC | 52007210504 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210047 | Indirect Cross Interchange | 1 |
| IMC | 52007210503 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52007210032 | Indirect Cross Interchange | 1 |
| IMC | 52007210462 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D8721OSM | Indirect Cross Interchange | 1 |
| IMC | 52007210325 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D8721OC | Indirect Cross Interchange | 1 |
| IMC | 52007210091 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D8721ISD | Indirect Cross Interchange | 1 |
| IMC | 52007210090 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D8721ACT | Indirect Cross Interchange | 1 |
| IMC | 52007210047 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D721SM | Indirect Cross Interchange | 1 |
| IMC | 52007210032 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D721SC | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D721MTX | Indirect Cross Interchange | 1 |
| FMSI | 7589D721M | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D721H | Indirect Cross Interchange | 1 |
| WAGNER | ZX929 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D721AD | Indirect Cross Interchange | 1 |
| WAGNER | PD721 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | BC721 | Indirect Cross Interchange | 1 |
| WAGNER | MX929 | Indirect Cross Interchange | 1 |
| ORIGINAL ENGINE MANAGEMENT | 7589D721P | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 871554 | Indirect Cross Interchange | 1 |