| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WAGNER | MX421 | Direct Cross Interchange | 2 |
| FMSI | 7475D597 | Direct Cross Interchange | 2 |
| CENTRIC | 10404210 | Direct Cross Interchange | 2 |
| FMSI | 7308AD421 | Direct Cross Interchange | 2 |
| GUARDIAN | G65421A | Direct Cross Interchange | 1 |
| IAPCO | BP597 | Direct Cross Interchange | 1 |
| IAPCO | BP421A | Direct Cross Interchange | 1 |
| AUTOSPECIALTY | 24421A01 | Direct Cross Interchange | 1 |
| FMSI | 7308D421AM | Direct Cross Interchange | 1 |
| FMSI | 7308AD421M | Direct Cross Interchange | 1 |
| BENDIX | MKD597 | Direct Cross Interchange | 1 |
| BENDIX | MKD421A | Direct Cross Interchange | 1 |
| BENDIX | D597MS | Direct Cross Interchange | 1 |
| BENDIX | D597M | Direct Cross Interchange | 1 |
| BENDIX | D597 | Direct Cross Interchange | 1 |
| BENDIX | D421AMS | Direct Cross Interchange | 1 |
| BENDIX | D421AM | Direct Cross Interchange | 1 |
| BENDIX | D421A | Direct Cross Interchange | 1 |
| AutoZone | MKD421 | Indirect Cross Interchange | 3 |
| BENDIX | MKD421 | Indirect Cross Interchange | 3 |
| ACDelco | 17D421C | Indirect Cross Interchange | 2 |
| CARQUEST | GMD421F | Indirect Cross Interchange | 2 |
| BENDIX | D324CT | Indirect Cross Interchange | 2 |
| RAYBESTOS | SGD421M | Indirect Cross Interchange | 2 |
| BENDIX | MRD421 | Indirect Cross Interchange | 2 |
| RAYBESTOS | PGD421M | Indirect Cross Interchange | 2 |
| BENDIX | MKD324 | Indirect Cross Interchange | 2 |
| PARTS PLUS | 200434211 | Indirect Cross Interchange | 2 |
| R1 Concepts | S0404210 | Indirect Cross Interchange | 2 |
| IMC | 52003240505 | Indirect Cross Interchange | 2 |
| R1 Concepts | A0404210 | Indirect Cross Interchange | 2 |
| WD EXPRESS | 52003240505 | Indirect Cross Interchange | 2 |
| WD EXPRESS | 52003240504 | Indirect Cross Interchange | 2 |
| WD EXPRESS | 52003240503 | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | D9324SM | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | D9324SHD | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | D9324SC | Indirect Cross Interchange | 2 |
| MIGHTY | XL324M | Indirect Cross Interchange | 2 |
| DASH 4 | MD421 | Indirect Cross Interchange | 2 |
| AutoZone | SGD421M | Indirect Cross Interchange | 2 |
| AutoZone | PGD421M | Indirect Cross Interchange | 2 |
| IMC | 52003240504 | Indirect Cross Interchange | 2 |
| IMC | 52003240503 | Indirect Cross Interchange | 2 |
| ACDelco | 17D421M | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | D9324R | Indirect Cross Interchange | 1 |
| ACDelco | 17D421AMHP | Indirect Cross Interchange | 1 |
| BENDIX | D421CT | Indirect Cross Interchange | 1 |
| CARQUEST | BMD421 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | BP421 | Indirect Cross Interchange | 1 |
| ACDelco | 17D421AM | Indirect Cross Interchange | 1 |
| AUTO EXTRA | AXMD421 | Indirect Cross Interchange | 1 |
| OE | F4DZ2001C | Indirect Cross Interchange | 1 |
| ACDelco | 17D421MHP | Indirect Cross Interchange | 1 |
| AMS | SPQ421S | Indirect Cross Interchange | 1 |
| LINCOLN | E8DZ2001A | Indirect Cross Interchange | 1 |
| FMSI | D5977475 | Indirect Cross Interchange | 1 |
| AMS | SP421L | Indirect Cross Interchange | 1 |
| OE | F3DZ2001C | Indirect Cross Interchange | 1 |
| RAYBESTOS | RRD421M | Indirect Cross Interchange | 1 |
| FMSI | D4217308A | Indirect Cross Interchange | 1 |
| OE | F3DZ2001B | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD421QS | Indirect Cross Interchange | 1 |
| FMSI | D3247268A | Indirect Cross Interchange | 1 |
| OE | F3DZ2001A | Indirect Cross Interchange | 1 |
| OE | F20Y2001A | Indirect Cross Interchange | 1 |
| A.B.S. | 38324 | Indirect Cross Interchange | 1 |
| FMSI | D3247222A | Indirect Cross Interchange | 1 |
| OE | F10Y2001A | Indirect Cross Interchange | 1 |
| MONROE | DX421 | Indirect Cross Interchange | 1 |
| IMC | 52004210505 | Indirect Cross Interchange | 1 |
| OE | F0DZ2001A | Indirect Cross Interchange | 1 |
| MONROE | CX421 | Indirect Cross Interchange | 1 |
| IMC | 52004210504 | Indirect Cross Interchange | 1 |
| OE | E9DZ2001B | Indirect Cross Interchange | 1 |
| HP | 2650 | Indirect Cross Interchange | 1 |
| IMC | 52004210503 | Indirect Cross Interchange | 1 |
| OE | E9DZ2001A | Indirect Cross Interchange | 1 |
| RAYBESTOS | SSRD421 | Indirect Cross Interchange | 1 |
| IMC | 52004210462 | Indirect Cross Interchange | 1 |
| OE | E7DZ2001A | Indirect Cross Interchange | 1 |
| CENTRIC | 1040421 | Indirect Cross Interchange | 1 |
| AutoZone | MKD324 | Indirect Cross Interchange | 1 |
| OE | E6DZ2001C | Indirect Cross Interchange | 1 |
| CENTRIC | 10403240 | Indirect Cross Interchange | 1 |
| AutoZone | D421CT | Indirect Cross Interchange | 1 |
| NAPA | UP7308M | Indirect Cross Interchange | 1 |
| CENTRIC | 10204210 | Indirect Cross Interchange | 1 |
| AutoZone | D324CT | Indirect Cross Interchange | 1 |
| NAPA | SS7222AM | Indirect Cross Interchange | 1 |
| CENTRIC | 10004210 | Indirect Cross Interchange | 1 |
| AutoZone | BR14B | Indirect Cross Interchange | 1 |
| NAPA | AE7222AM | Indirect Cross Interchange | 1 |
| FMSI | 7268AD324 | Indirect Cross Interchange | 1 |
| AUTOPART INTERNATIONAL | 86606 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52003240413 | Indirect Cross Interchange | 1 |
| FMSI | 7222AD324 | Indirect Cross Interchange | 1 |
| MIDAS | BP1342M | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52003240412 | Indirect Cross Interchange | 1 |
| CENTRIC | 30003240 | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD324M | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D9421SM | Indirect Cross Interchange | 1 |
| CENTRIC | 10804210 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D9421SHD | Indirect Cross Interchange | 1 |
| CENTRIC | 10604210 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D9421SC | Indirect Cross Interchange | 1 |
| FORD | F2SZ2001A | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52004210505 | Indirect Cross Interchange | 1 |
| FORD | F2DZ2001A | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52004210504 | Indirect Cross Interchange | 1 |
| FORD | F20Y2001A | Indirect Cross Interchange | 1 |
| FORD | F10Y2001A | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52004210503 | Indirect Cross Interchange | 1 |
| FORD | E9DZ2001B | Indirect Cross Interchange | 1 |
| WD EXPRESS | 52004210462 | Indirect Cross Interchange | 1 |
| FORD | E8DZ2001A | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2432404 | Indirect Cross Interchange | 1 |
| R1 Concepts | A0604210 | Indirect Cross Interchange | 1 |
| FORD | E7DZ2001A | Indirect Cross Interchange | 1 |
| TRW | GDB4019 | Indirect Cross Interchange | 1 |
| FORD | E6DZ2001C | Indirect Cross Interchange | 1 |
| MOTORCRAFT | BR14B | Indirect Cross Interchange | 1 |
| FORD | E6DZ2001B | Indirect Cross Interchange | 1 |
| RAYBESTOS | BD421M | Indirect Cross Interchange | 1 |
| MOTORCRAFT | BR14 | Indirect Cross Interchange | 1 |
| FORD | E6DZ2001A | Indirect Cross Interchange | 1 |
| EIS | QMX421 | Indirect Cross Interchange | 1 |
| BENDIX | MRD324 | Indirect Cross Interchange | 1 |
| SEALED POWER | MX421 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | D9324RM | Indirect Cross Interchange | 1 |
| EIS | DM421 | Indirect Cross Interchange | 1 |
| BENDIX | D563 | Indirect Cross Interchange | 1 |
| CARQUEST | GMD421 | Indirect Cross Interchange | 1 |