| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WAGNER | MX421A | Direct Cross Interchange | 3 |
| AMS | SPQ421L | Direct Cross Interchange | 3 |
| AutoZone | SGD421AM | Direct Cross Interchange | 2 |
| AutoZone | PGD421AM | Direct Cross Interchange | 2 |
| CENTRIC | 10204210 | Indirect Cross Interchange | 2 |
| BENDIX | MKD421 | Indirect Cross Interchange | 2 |
| RAYBESTOS | PGD421AM | Indirect Cross Interchange | 2 |
| ACDelco | 17D421M | Indirect Cross Interchange | 1 |
| ACDelco | 17D421AM | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD421AQS | Indirect Cross Interchange | 1 |
| CARQUEST | GMD421A | Indirect Cross Interchange | 1 |
| CARQUEST | BMD421A | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2442104 | Indirect Cross Interchange | 1 |
| AutoZone | MKD421 | Indirect Cross Interchange | 1 |
| MIDAS | BP1445M | Indirect Cross Interchange | 1 |
| FORD | F3DZ2001C | Indirect Cross Interchange | 1 |
| FORD | F3DZ2001B | Indirect Cross Interchange | 1 |
| FORD | F3DZ2001A | Indirect Cross Interchange | 1 |
| FORD | F0DZ2001A | Indirect Cross Interchange | 1 |
| FORD | E9DZ2001A | Indirect Cross Interchange | 1 |
| NAPA | SS7308CM | Indirect Cross Interchange | 1 |
| NAPA | AE7308CM | Indirect Cross Interchange | 1 |
| CENTRIC | 10604210 | Indirect Cross Interchange | 1 |
| BENDIX | D571 | Indirect Cross Interchange | 1 |
| BENDIX | D421CT | Indirect Cross Interchange | 1 |