| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| OPTIBELT | 3B81 | Direct Cross Interchange | 21 |
| PIX Belts | B81/03 | Direct Cross Interchange | 21 |
| GOODRICH | 3B81 | Direct Cross Interchange | 21 |
| UNIROYAL | 3B81 | Direct Cross Interchange | 21 |
| JASON | RB813 | Direct Cross Interchange | 21 |
| Durkee-Atwood | 3B81 | Direct Cross Interchange | 21 |
| Industry Standard | 3B81 | Direct Cross Interchange | 21 |
| Metric Standard | 16C2130J3 | Direct Cross Interchange | 21 |
| WHITE MOTOR | 9811830 | Direct Cross Interchange | 21 |
| WHITE MOTOR | 9811400 | Direct Cross Interchange | 21 |
| DODGE | 3XB81 | Direct Cross Interchange | 21 |
| DODGE | 107427 | Direct Cross Interchange | 21 |
| DAYCO | RBP813 | Direct Cross Interchange | 21 |
| DAYCO | 3RBP81 | Direct Cross Interchange | 21 |
| GATES | 3B81 | Direct Cross Interchange | 21 |
| BANDO | 3B81 | Direct Cross Interchange | 21 |
| PIRELLI | 3B81 | Direct Cross Interchange | 21 |
| GOODYEAR | 3BX81 | Direct Cross Interchange | 21 |
| GOODYEAR | 3B81 | Direct Cross Interchange | 21 |
| WHITE MOTOR | W9811830 | Indirect Cross Interchange | 1 |