| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WAGNER | SX521 | Direct Cross Interchange | 1 |
| AMS | TXD521 | Indirect Cross Interchange | 1 |
| CHRYSLER | 4773575 | Indirect Cross Interchange | 1 |
| NAPA | UP7403M | Indirect Cross Interchange | 1 |
| NAPA | SD7403AM | Indirect Cross Interchange | 1 |
| CARQUEST | GMD521F | Indirect Cross Interchange | 1 |
| BENDIX | MKD521FM | Indirect Cross Interchange | 1 |
| BENDIX | MKD521 | Indirect Cross Interchange | 1 |
| RAYBESTOS | SSD524 | Indirect Cross Interchange | 1 |
| RAYBESTOS | BD524M | Indirect Cross Interchange | 1 |
| EIS | MX521 | Indirect Cross Interchange | 1 |
| DURA | BP524MS | Indirect Cross Interchange | 1 |