| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | TCK321 | Direct Cross Interchange | 7 |
| CARQUEST | TCK321 | Direct Cross Interchange | 6 |
| ACDelco | TCK321 | Direct Cross Interchange | 6 |
| CONTITECH | TB321K1 | Direct Cross Interchange | 6 |
| GOODYEAR | GTK0321 | Direct Cross Interchange | 5 |
| BECK/ARNLEY | 0291089 | Direct Cross Interchange | 3 |
| SKF | TBK321WP | Direct Cross Interchange | 2 |
| NAPA | 2523210 | Indirect Cross Interchange | 3 |
| AutoZone | 95321K1 | Indirect Cross Interchange | 3 |
| DAYCO | 95301K2 | Indirect Cross Interchange | 3 |
| CRP | TB321K1 | Indirect Cross Interchange | 3 |
| AFTERMARKET PRODUCTS | TCK321 | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | TB321K1 | Indirect Cross Interchange | 2 |
| AFTERMARKET PRODUCTS | 2523210 | Indirect Cross Interchange | 2 |
| AUTOPART INTERNATIONAL | 58336 | Indirect Cross Interchange | 2 |
| AUTOPART INTERNATIONAL | 201558336 | Indirect Cross Interchange | 2 |
| AutoZone | TB321K1 | Indirect Cross Interchange | 2 |
| GOODYEAR | GTKWP321 | Indirect Cross Interchange | 1 |
| VW | 058109244 | Indirect Cross Interchange | 1 |
| VW | 038198119E | Indirect Cross Interchange | 1 |
| VW | 038109244M | Indirect Cross Interchange | 1 |
| VW | 038109244H | Indirect Cross Interchange | 1 |
| VW | 038109244E | Indirect Cross Interchange | 1 |
| VW | 038109243N | Indirect Cross Interchange | 1 |
| VW | 038109243H | Indirect Cross Interchange | 1 |
| VW | 038109243F | Indirect Cross Interchange | 1 |
| VW | 038109119M | Indirect Cross Interchange | 1 |
| GM | 19185985 | Indirect Cross Interchange | 1 |
| DAYCO | 95301K1 | Indirect Cross Interchange | 1 |
| CONTITECH | TB321LK1 | Indirect Cross Interchange | 1 |
| CONTITECH | PP321LK2 | Indirect Cross Interchange | 1 |
| CONTITECH | PP321LK1 | Indirect Cross Interchange | 1 |
| AIRTEX | WPK0069 | Indirect Cross Interchange | 1 |
| CRP | PP321LK2 | Indirect Cross Interchange | 1 |
| CRP | PP321LK1 | Indirect Cross Interchange | 1 |
| DAYCO | WP321K1A | Indirect Cross Interchange | 1 |
| CRP | TB321LK1 | Indirect Cross Interchange | 1 |