| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| FMSI | 7822D921 | Direct Cross Interchange | 2 |
| AMS | SPQ921 | Direct Cross Interchange | 2 |
| RAYBESTOS | ATD921C | Direct Cross Interchange | 2 |
| CENTRIC | 30909210 | Direct Cross Interchange | 1 |
| BENDIX | D921 | Indirect Cross Interchange | 2 |
| AKEBONO | ACT921 | Indirect Cross Interchange | 2 |
| MIGHTY | XL921M | Indirect Cross Interchange | 2 |
| BENDIX | MKD921 | Indirect Cross Interchange | 2 |
| CENTRIC | 10609210 | Indirect Cross Interchange | 1 |
| CENTRIC | 10509210 | Indirect Cross Interchange | 1 |
| BENDIX | MRD921 | Indirect Cross Interchange | 1 |
| FMSI | D9217822 | Indirect Cross Interchange | 1 |
| WVA | 24303 | Indirect Cross Interchange | 1 |
| PAGID | T1573 | Indirect Cross Interchange | 1 |
| WAGNER | QC921 | Indirect Cross Interchange | 1 |
| WAGNER | PD921 | Indirect Cross Interchange | 1 |
| WAGNER | MX921 | Indirect Cross Interchange | 1 |
| MONROE | DX921 | Indirect Cross Interchange | 1 |
| MONROE | CX921 | Indirect Cross Interchange | 1 |
| HP | 7610 | Indirect Cross Interchange | 1 |
| RAYBESTOS | PGD921M | Indirect Cross Interchange | 1 |
| CADILLAC | 88959954 | Indirect Cross Interchange | 1 |
| CADILLAC | 88959947 | Indirect Cross Interchange | 1 |
| MINTEX | MDB2323 | Indirect Cross Interchange | 1 |