| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | T321 | Direct Cross Interchange | 2 |
| CONTINENTAL | TB321 | Indirect Cross Interchange | 1 |
| AFTERMARKET PRODUCTS | TB321 | Indirect Cross Interchange | 1 |
| DAYCO | 95321FN | Indirect Cross Interchange | 1 |
| AFTERMARKET PRODUCTS | T321 | Indirect Cross Interchange | 1 |
| AFTERMARKET PRODUCTS | B321 | Indirect Cross Interchange | 1 |
| DAYCO | 95321 | Indirect Cross Interchange | 1 |
| AFTERMARKET PRODUCTS | 95321 | Indirect Cross Interchange | 1 |
| AFTERMARKET PRODUCTS | 5559XS | Indirect Cross Interchange | 1 |
| AFTERMARKET PRODUCTS | 40321 | Indirect Cross Interchange | 1 |
| AFTERMARKET PRODUCTS | 250321 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 07854007596 | Indirect Cross Interchange | 1 |
| WD EXPRESS | 07854007259 | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | 038109119M | Indirect Cross Interchange | 1 |
| INTERAMERICAN MOTOR | 038109119HD | Indirect Cross Interchange | 1 |
| GATES | 5559XS | Indirect Cross Interchange | 1 |
| CLOYES | B321 | Indirect Cross Interchange | 1 |
| CONTITECH | TB321 | Indirect Cross Interchange | 1 |
| Mileage Maker | CD321 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 0261067 | Indirect Cross Interchange | 1 |
| CRP | TB321 | Indirect Cross Interchange | 1 |
| BANDO | TB321 | Indirect Cross Interchange | 1 |
| FLENNOR | TB321 | Indirect Cross Interchange | 1 |
| MBL USA | CD321 | Indirect Cross Interchange | 1 |
| ACDelco | TB321 | Indirect Cross Interchange | 1 |
| Fresh Start | CD321 | Indirect Cross Interchange | 1 |
| ArmorMark | TB321 | Indirect Cross Interchange | 1 |
| AutoZone | TB321 | Indirect Cross Interchange | 1 |
| AutoZone | 95321 | Indirect Cross Interchange | 1 |
| Dynaflex | 95321 | Indirect Cross Interchange | 1 |
| AUTOPART INTERNATIONAL | 99951 | Indirect Cross Interchange | 1 |
| AUTOPART INTERNATIONAL | 200699951 | Indirect Cross Interchange | 1 |
| FRESHSTART | CD321 | Indirect Cross Interchange | 1 |
| VW | 038109119M | Indirect Cross Interchange | 1 |
| PRONTO | TB321 | Indirect Cross Interchange | 1 |
| OE | OHC321 | Indirect Cross Interchange | 1 |
| OE | 038109119M | Indirect Cross Interchange | 1 |
| NAPA | 250321 | Indirect Cross Interchange | 1 |
| MIGHTY | CD321 | Indirect Cross Interchange | 1 |
| IMC | 07854007596 | Indirect Cross Interchange | 1 |
| MAGNETI MARELLI | 1AMTB00321 | Indirect Cross Interchange | 1 |
| IMC | 07854007259 | Indirect Cross Interchange | 1 |
| GOODYEAR | 40321 | Indirect Cross Interchange | 1 |
| CARQUEST | T321 | Indirect Cross Interchange | 1 |
| TIRE SIZE DESIGNATION | OHC321 | Indirect Cross Interchange | 1 |