| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | TCKWP321M | Direct Cross Interchange | 5 |
| GOODYEAR | GTKWP321 | Direct Cross Interchange | 4 |
| CARQUEST | TCKWP321M | Direct Cross Interchange | 4 |
| ACDelco | TCKWP321M | Direct Cross Interchange | 4 |
| DAYCO | WP321K1A | Direct Cross Interchange | 2 |
| NAPA | WPK41114AM | Indirect Cross Interchange | 3 |
| AFTERMARKET PRODUCTS | TB321LK1MI | Indirect Cross Interchange | 2 |
| CARQUEST | TCKWP321 | Indirect Cross Interchange | 2 |
| GATES | TCKWP321 | Indirect Cross Interchange | 2 |
| CONTITECH | TB321LK1 | Indirect Cross Interchange | 2 |
| ACDelco | TCKWP321 | Indirect Cross Interchange | 2 |
| SKF | TBK321WP | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | WPK41114AM | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | TCKWP321M | Indirect Cross Interchange | 2 |
| CRP | TB321LK1 | Indirect Cross Interchange | 1 |
| MasterPro | CPK1328 | Indirect Cross Interchange | 1 |
| ASC INDUSTRIES | WPK0069 | Indirect Cross Interchange | 1 |
| ASC | WPK0069 | Indirect Cross Interchange | 1 |
| AIRTEX | AWK1328 | Indirect Cross Interchange | 1 |
| DAYCO | WP301K1A | Indirect Cross Interchange | 1 |