| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | K120606HD | Direct Cross Interchange | 4 |
| GATES | K120606 | Direct Cross Interchange | 4 |
| GOODYEAR | 4120605 | Direct Cross Interchange | 3 |
| ACDelco | K120606HD | Indirect Cross Interchange | 3 |
| DAYCO | 5120603 | Indirect Cross Interchange | 3 |
| CUMMINS | 3098756 | Indirect Cross Interchange | 3 |
| CUMMINS | 3098362 | Indirect Cross Interchange | 3 |
| NAPA | 25120606HD | Indirect Cross Interchange | 2 |
| NAPA | 25120606 | Indirect Cross Interchange | 2 |
| CARQUEST | K120606HD | Indirect Cross Interchange | 2 |
| CARQUEST | K120606 | Indirect Cross Interchange | 2 |
| DAYCO | 603K12 | Indirect Cross Interchange | 2 |
| Size Designation | 12PK1535 | Indirect Cross Interchange | 2 |
| Metric Standard | 12PK1535 | Indirect Cross Interchange | 2 |
| CUMMINS | 1416401 | Indirect Cross Interchange | 2 |
| CUMMINS | 3883491 | Indirect Cross Interchange | 2 |
| OE | 25120606HD | Indirect Cross Interchange | 1 |
| OE | 25120606 | Indirect Cross Interchange | 1 |
| CUMMINS | 3098744 | Indirect Cross Interchange | 1 |
| CUMMINS | 3095676 | Indirect Cross Interchange | 1 |
| ACDelco | 12K606 | Indirect Cross Interchange | 1 |