| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| SKF | 66521DB | Direct Cross Interchange | 11 |
| NSN | 3110002896630 | Direct Cross Interchange | 10 |
| NAPA | 66521DB | Direct Cross Interchange | 10 |
| KOYO | 66521DB | Direct Cross Interchange | 10 |
| BOWER | 66521DB | Direct Cross Interchange | 10 |
| CR | 66521DB | Direct Cross Interchange | 10 |
| MACK | 64AX225 | Direct Cross Interchange | 10 |
| SEALED POWER | F66521DB | Direct Cross Interchange | 10 |
| FEDERAL MOGUL | 66521DB | Direct Cross Interchange | 3 |
| FEDERAL | 66521DB | Direct Cross Interchange | 2 |
| CARQUEST | 66521DB | Indirect Cross Interchange | 1 |
| NTN | 66521DB | Indirect Cross Interchange | 1 |
| MACK | 145866521DB | Indirect Cross Interchange | 1 |