| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| Precision Seals & Bearings | DRK4437 | Direct Cross Interchange | 1 |
| DT Components | DRK4437 | Direct Cross Interchange | 1 |
| ROCKWELL | 4437 | Indirect Cross Interchange | 2 |
| FEDERAL MOGUL | RA4437 | Indirect Cross Interchange | 2 |