| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DAYCO | WP321K1A | Direct Cross Interchange | 4 |
| CONTITECH | TB321LK1 | Direct Cross Interchange | 3 |
| GOODYEAR | GTKWP321 | Direct Cross Interchange | 3 |
| CONTITECH | TB321K1 | Direct Cross Interchange | 2 |
| DAYCO | 95321K1 | Direct Cross Interchange | 2 |
| CRP | TB321LK1 | Direct Cross Interchange | 2 |
| CONTITECH | PP321LK2 | Direct Cross Interchange | 1 |
| CONTITECH | PP321LK1 | Direct Cross Interchange | 1 |
| AIRTEX | WPK0069 | Direct Cross Interchange | 1 |
| CRP | TB321K1 | Direct Cross Interchange | 1 |
| CRP | PP321LK2 | Direct Cross Interchange | 1 |
| CRP | PP321LK1 | Direct Cross Interchange | 1 |
| GATES | TCKWP321 | Indirect Cross Interchange | 4 |
| CARQUEST | TCKWP321 | Indirect Cross Interchange | 4 |
| CARQUEST | TCK321 | Indirect Cross Interchange | 3 |
| ACDelco | TCKWP321 | Indirect Cross Interchange | 3 |
| GATES | TCK321 | Indirect Cross Interchange | 3 |
| ACDelco | TCK321 | Indirect Cross Interchange | 2 |
| MasterPro | CPK1328 | Indirect Cross Interchange | 2 |
| ASC INDUSTRIES | WPK0069 | Indirect Cross Interchange | 2 |
| ASC | WPK0069 | Indirect Cross Interchange | 2 |
| GOODYEAR | GTK0321 | Indirect Cross Interchange | 2 |
| CONTITECH | TB321LK1MI | Indirect Cross Interchange | 2 |
| AIRTEX | AWK1328 | Indirect Cross Interchange | 2 |
| GATES | TCKWP321M | Indirect Cross Interchange | 1 |
| DAYCO | WP301K1A | Indirect Cross Interchange | 1 |
| AutoZone | WP321K1A | Indirect Cross Interchange | 1 |
| NAPA | 2523210 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 0291089 | Indirect Cross Interchange | 1 |
| ACDelco | TCKWP321M | Indirect Cross Interchange | 1 |