| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DASH 4 | MD421 | Direct Cross Interchange | 1 |
| WAGNER | MX421 | Indirect Cross Interchange | 1 |
| R1 Concepts | S0404210 | Indirect Cross Interchange | 1 |
| R1 Concepts | A0404210 | Indirect Cross Interchange | 1 |
| AMS | DMX421L | Indirect Cross Interchange | 1 |
| Morse Brake | MKD421 | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | MPD421 | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | D421 | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | CL421 | Indirect Cross Interchange | 1 |
| PARTS PLUS | 200434211 | Indirect Cross Interchange | 1 |
| OE | E9DZ2001A | Indirect Cross Interchange | 1 |
| NAPA | MAS7308C | Indirect Cross Interchange | 1 |
| NAPA | AE7308CM | Indirect Cross Interchange | 1 |
| CENTRIC | 10404210 | Indirect Cross Interchange | 1 |
| BENDIX | MRD4 | Indirect Cross Interchange | 1 |
| BENDIX | MKD421FM | Indirect Cross Interchange | 1 |
| BENDIX | MKD421 | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD421M | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD421AM | Indirect Cross Interchange | 1 |
| WAGNER | PD421 | Indirect Cross Interchange | 1 |
| WAGNER | MX73088R | Indirect Cross Interchange | 1 |