| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | T251RB | Direct Cross Interchange | 7 |
| GATES | T251 | Direct Cross Interchange | 7 |
| FLENNOR | TB251 | Direct Cross Interchange | 6 |
| ACDelco | TB251 | Direct Cross Interchange | 6 |
| CARQUEST | T251 | Direct Cross Interchange | 6 |
| CARQUEST | T251RB | Direct Cross Interchange | 5 |
| CONTINENTAL | TB251 | Indirect Cross Interchange | 6 |
| DAYCO | 95251FN | Indirect Cross Interchange | 6 |
| DAYCO | 95251 | Indirect Cross Interchange | 6 |
| GOODYEAR | 40251 | Indirect Cross Interchange | 6 |
| TIRE SIZE DESIGNATION | OHC251 | Indirect Cross Interchange | 6 |
| CLOYES | B251 | Indirect Cross Interchange | 6 |
| AutoZone | 95251 | Indirect Cross Interchange | 6 |
| Dynaflex | 95251 | Indirect Cross Interchange | 6 |
| NISSAN | 1302845P86 | Indirect Cross Interchange | 6 |
| NISSAN | 1302845P00 | Indirect Cross Interchange | 6 |
| CONTITECH | TB251 | Indirect Cross Interchange | 6 |
| CLEVITE | TB251 | Indirect Cross Interchange | 6 |
| NAPA | 250251 | Indirect Cross Interchange | 6 |
| Fresh Start | CD251 | Indirect Cross Interchange | 3 |
| Mileage Maker | CD251 | Indirect Cross Interchange | 3 |
| FRESHSTART | CD251 | Indirect Cross Interchange | 3 |
| OE | OHC251 | Indirect Cross Interchange | 3 |
| OE | 1302845P86 | Indirect Cross Interchange | 3 |
| OE | 1302845P00 | Indirect Cross Interchange | 3 |
| AFTERMARKET PRODUCTS | 95251 | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | 40251 | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | 250251 | Indirect Cross Interchange | 2 |
| WD EXPRESS | 07838008241 | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | TB251B | Indirect Cross Interchange | 2 |
| INTERAMERICAN MOTOR | 07838008 | Indirect Cross Interchange | 2 |
| AutoZone | TB251 | Indirect Cross Interchange | 2 |
| AUTOPART INTERNATIONAL | 57023 | Indirect Cross Interchange | 2 |
| AUTOPART INTERNATIONAL | 200657023 | Indirect Cross Interchange | 2 |
| CRP | TB251 | Indirect Cross Interchange | 2 |
| CARQUEST | 222B251 | Indirect Cross Interchange | 2 |
| BECK/ARNLEY | 0261062 | Indirect Cross Interchange | 2 |
| BANDO | TB251 | Indirect Cross Interchange | 2 |
| IMC | 07838008241 | Indirect Cross Interchange | 2 |
| IMC | 07838008 | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | TB251 | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | T251 | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | CD251 | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | B251 | Indirect Cross Interchange | 2 |
| MBL USA | CD251 | Indirect Cross Interchange | 1 |
| Contitech | TB251 | Indirect Cross Interchange | 1 |
| GM | 88933188 | Indirect Cross Interchange | 1 |
| SKF | TBS251 | Indirect Cross Interchange | 1 |