| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| BENDIX | MKD821 | Direct Cross Interchange | 2 |
| AMS | SPQ821 | Direct Cross Interchange | 2 |
| WAGNER | MX821 | Indirect Cross Interchange | 2 |
| RAYBESTOS | PGD821M | Indirect Cross Interchange | 2 |
| AIMCO | SPM821S | Indirect Cross Interchange | 1 |
| ACDelco | 17D821M | Indirect Cross Interchange | 1 |
| AKEBONO | ACT859 | Indirect Cross Interchange | 1 |
| WAGNER | MX859 | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 2482102 | Indirect Cross Interchange | 1 |
| BENDIX | MKD859 | Indirect Cross Interchange | 1 |
| BENDIX | MKD821FM | Indirect Cross Interchange | 1 |
| Morse Brake | MKD821 | Indirect Cross Interchange | 1 |
| CHRYSLER | 5015254AA | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | CL821Q | Indirect Cross Interchange | 1 |
| SATISFIED BRAKE PRODUCTS | CL821 | Indirect Cross Interchange | 1 |
| NAPA | AE7694M | Indirect Cross Interchange | 1 |
| MIGHTY | MD821 | Indirect Cross Interchange | 1 |
| FMSI | 7694D821 | Indirect Cross Interchange | 1 |
| MONROE | DX859 | Indirect Cross Interchange | 1 |
| BOSCH | BP821 | Indirect Cross Interchange | 1 |