| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BENDIX | MKD721 | Direct Cross Interchange | 4 |
| BECK/ARNLEY | 0871554 | Direct Cross Interchange | 4 |
| WAGNER | PD721 | Direct Cross Interchange | 2 |
| BENDIX | MRD721 | Direct Cross Interchange | 2 |
| CENTRIC | 10407210 | Direct Cross Interchange | 2 |
| CENTRIC | 10207210 | Direct Cross Interchange | 2 |
| ORIGINAL ENGINE MANAGEMENT | 7589D721P | Direct Cross Interchange | 1 |
| ORIGINAL ENGINE MANAGEMENT | 7589D721MS | Direct Cross Interchange | 1 |
| AUTOSPECIALTY | 2472101 | Direct Cross Interchange | 1 |
| BENDIX | D721MS | Direct Cross Interchange | 1 |
| BENDIX | D721M | Direct Cross Interchange | 1 |
| AUTOSPECIALTY | 2872101 | Direct Cross Interchange | 1 |
| AMERICAN REMANUFACTURING | 762D721 | Direct Cross Interchange | 1 |
| BECK/ARNLEY | 871554 | Direct Cross Interchange | 1 |
| FMSI | 7589D721M | Direct Cross Interchange | 1 |
| OE | 7589D721MS | Direct Cross Interchange | 1 |
| AutoZone | SGD721C | Indirect Cross Interchange | 6 |
| AutoZone | PGD721C | Indirect Cross Interchange | 6 |
| AutoZone | ATD721C | Indirect Cross Interchange | 6 |
| CARQUEST | BCD721 | Indirect Cross Interchange | 6 |
| ACDelco | 17D721C | Indirect Cross Interchange | 6 |
| ACDelco | 17D721 | Indirect Cross Interchange | 6 |
| RAYBESTOS | PGD721C | Indirect Cross Interchange | 6 |
| RAYBESTOS | SGD721C | Indirect Cross Interchange | 6 |
| RAYBESTOS | ATD721C | Indirect Cross Interchange | 6 |
| WD EXPRESS | 52007210504 | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D8721ACT | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210503 | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D721SM | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210462 | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D721SC | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D721MTX | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210325 | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D721H | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D721AD | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | BC721 | Indirect Cross Interchange | 5 |
| IMC | 52007210508 | Indirect Cross Interchange | 5 |
| IMC | 52007210507 | Indirect Cross Interchange | 5 |
| IMC | 52007210504 | Indirect Cross Interchange | 5 |
| IMC | 52007210503 | Indirect Cross Interchange | 5 |
| IMC | 52007210462 | Indirect Cross Interchange | 5 |
| IMC | 52007210325 | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210091 | Indirect Cross Interchange | 5 |
| IMC | 52007210091 | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210090 | Indirect Cross Interchange | 5 |
| IMC | 52007210090 | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210047 | Indirect Cross Interchange | 5 |
| IMC | 52007210047 | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210032 | Indirect Cross Interchange | 5 |
| IMC | 52007210032 | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D8721OSM | Indirect Cross Interchange | 5 |
| ACDelco | 14D721C | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210508 | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D8721OC | Indirect Cross Interchange | 5 |
| WD EXPRESS | 52007210507 | Indirect Cross Interchange | 5 |
| INTERAMERICAN MOTOR | D8721ISD | Indirect Cross Interchange | 5 |
| AUTO EXTRA | AXOD721 | Indirect Cross Interchange | 4 |
| AUTO EXTRA | AXMD721 | Indirect Cross Interchange | 4 |
| AUTO EXTRA | AXCD721 | Indirect Cross Interchange | 4 |
| BECK/ARNLEY | 0821554 | Indirect Cross Interchange | 4 |
| TRW | TPC0721 | Indirect Cross Interchange | 3 |
| RAYBESTOS | PGD721M | Indirect Cross Interchange | 2 |
| SUBARU | 26296AE080 | Indirect Cross Interchange | 2 |
| MIGHTY | XL721M | Indirect Cross Interchange | 2 |
| CENTRIC | 30007210 | Indirect Cross Interchange | 2 |
| MONROE | DX721 | Indirect Cross Interchange | 2 |
| SUBARU | 26296AC070 | Indirect Cross Interchange | 2 |
| SUBARU | 26296AC060 | Indirect Cross Interchange | 2 |
| SUBARU | 26296AC041 | Indirect Cross Interchange | 2 |
| SUBARU | 26296AC040 | Indirect Cross Interchange | 2 |
| AutoZone | MKD721 | Indirect Cross Interchange | 2 |
| CARQUEST | ACT721 | Indirect Cross Interchange | 2 |
| AMS | DMX721 | Indirect Cross Interchange | 2 |
| ADVICS | AD0721 | Indirect Cross Interchange | 2 |
| DASH 4 | MD721 | Indirect Cross Interchange | 2 |
| AKEBONO | ACT721 | Indirect Cross Interchange | 2 |
| QUALITEE | MF721 | Indirect Cross Interchange | 1 |
| R1 Concepts | A0607210 | Indirect Cross Interchange | 1 |
| DASH 4 | CFD721 | Indirect Cross Interchange | 1 |
| ProMax | 11721 | Indirect Cross Interchange | 1 |
| AMS | SPQ721 | Indirect Cross Interchange | 1 |
| AutoZone | BR94B | Indirect Cross Interchange | 1 |
| SUBARU | 26296AE010 | Indirect Cross Interchange | 1 |
| CENTRIC | 1020721 | Indirect Cross Interchange | 1 |
| CARQUEST | PCD721 | Indirect Cross Interchange | 1 |
| BENDIX | MKD721IQ | Indirect Cross Interchange | 1 |
| WAGNER | ZX929 | Indirect Cross Interchange | 1 |
| WAGNER | ZD721 | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD721 | Indirect Cross Interchange | 1 |
| MONROE | CX721 | Indirect Cross Interchange | 1 |
| ATE | AT721 | Indirect Cross Interchange | 1 |
| RAYBESTOS | RPD721 | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD929M | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD721QS | Indirect Cross Interchange | 1 |
| MIGHTY | XL721C | Indirect Cross Interchange | 1 |
| NAPA | UP7589X | Indirect Cross Interchange | 1 |
| SUBARU | 26296AE220 | Indirect Cross Interchange | 1 |
| NAPA | SS7589X | Indirect Cross Interchange | 1 |
| MIGHTY | TS721 | Indirect Cross Interchange | 1 |
| SUBARU | 26296AE081 | Indirect Cross Interchange | 1 |
| NAPA | CMX7589 | Indirect Cross Interchange | 1 |
| CENTRIC | 10607210 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2472102 | Indirect Cross Interchange | 1 |
| NAPA | AE7638 | Indirect Cross Interchange | 1 |
| CENTRIC | 10507210 | Indirect Cross Interchange | 1 |
| AMERICAN REMANUFACTURING | 62D721 | Indirect Cross Interchange | 1 |
| NAPA | AE7589 | Indirect Cross Interchange | 1 |
| CENTRIC | 1050721 | Indirect Cross Interchange | 1 |
| WAGNER | MX929 | Indirect Cross Interchange | 1 |
| NAPA | AE721 | Indirect Cross Interchange | 1 |
| GUARDIAN | 61721 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 1492912 | Indirect Cross Interchange | 1 |
| AUTOPART INTERNATIONAL | 36538 | Indirect Cross Interchange | 1 |
| FMSI | 7589D721 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 1472112 | Indirect Cross Interchange | 1 |
| MIDAS | BP1731 | Indirect Cross Interchange | 1 |
| UNIVERSAL (BRAKE) | MDS721 | Indirect Cross Interchange | 1 |
| BENDIX | D721CT | Indirect Cross Interchange | 1 |
| Morse Brake | MX721 | Indirect Cross Interchange | 1 |
| BENDIX | D721 | Indirect Cross Interchange | 1 |
| SUBARU | 26296FE060 | Indirect Cross Interchange | 1 |
| MONROE | DX722 | Indirect Cross Interchange | 1 |
| WAWD | 700551M | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | PR721 | Indirect Cross Interchange | 1 |
| QUALITEE | PFM721 | Indirect Cross Interchange | 1 |
| PARTS PLUS | 200320721 | Indirect Cross Interchange | 1 |
| QUALITEE | PF721 | Indirect Cross Interchange | 1 |