| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| AutoZone | B0251 | Direct Cross Interchange | 3 |
| CLOYES | B251 | Direct Cross Interchange | 3 |
| MELLING | B0251 | Direct Cross Interchange | 3 |
| OE | 1302845P00 | Direct Cross Interchange | 1 |
| GOODYEAR | 40251 | Indirect Cross Interchange | 4 |
| Mileage Maker | CD251 | Indirect Cross Interchange | 4 |
| FRESHSTART | CD251 | Indirect Cross Interchange | 4 |
| CLEVITE | TB251 | Indirect Cross Interchange | 3 |
| NISSAN | 1302845P00 | Indirect Cross Interchange | 3 |
| DYNAGEAR | TB251 | Indirect Cross Interchange | 2 |
| CARQUEST | T251 | Indirect Cross Interchange | 2 |
| TOPLINE | TBD26Z | Indirect Cross Interchange | 2 |
| Fresh Start | CD251 | Indirect Cross Interchange | 2 |
| AutoZone | 95251 | Indirect Cross Interchange | 2 |
| Dynaflex | 95251 | Indirect Cross Interchange | 2 |
| SPX | 54820 | Indirect Cross Interchange | 2 |
| FLENNOR | TB251 | Indirect Cross Interchange | 2 |
| DAYCO | 95251 | Indirect Cross Interchange | 2 |
| GATES | T251 | Indirect Cross Interchange | 2 |
| ELGIN | LB251 | Indirect Cross Interchange | 2 |
| ACDelco | TB251 | Indirect Cross Interchange | 1 |
| CARQUEST | T251RB | Indirect Cross Interchange | 1 |
| GATES | T251RB | Indirect Cross Interchange | 1 |
| AE CLEVITE | B251 | Indirect Cross Interchange | 1 |
| DAYCO | 95251FN | Indirect Cross Interchange | 1 |
| PERFECT CIRCLE | TB251 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 0261062 | Indirect Cross Interchange | 1 |
| CLEVITE | B251 | Indirect Cross Interchange | 1 |
| DATSUN | 1302845P00 | Indirect Cross Interchange | 1 |
| Mileage Maker | 40251 | Indirect Cross Interchange | 1 |