| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | 4PK903SF | Direct Cross Interchange | 6 |
| FIAT | 504066407 | Direct Cross Interchange | 4 |
| HUTCHINSON | 903SK4 | Direct Cross Interchange | 3 |
| CONTITECH | 4PK903ELAST | Direct Cross Interchange | 3 |
| QUINTON HAZELL | QBR4903E | Direct Cross Interchange | 2 |
| IVECO | 504066407 | Direct Cross Interchange | 2 |
| DAYCO | 4PK903EE | Indirect Cross Interchange | 4 |
| SKF | VKMV4SK903 | Indirect Cross Interchange | 3 |
| ROULUNDS RUBBER | 4K0903ELAST | Indirect Cross Interchange | 3 |
| OPTIBELT | 4EPK903 | Indirect Cross Interchange | 3 |
| MAGNETI MARELLI | 340411050903 | Indirect Cross Interchange | 2 |
| FEBI BILSTEIN | 28790 | Indirect Cross Interchange | 2 |
| SWAG | 64928790 | Indirect Cross Interchange | 2 |
| CONTITECH | 4PK906ELAST | Indirect Cross Interchange | 1 |
| DT | 754800 | Indirect Cross Interchange | 1 |
| GOODYEAR | 4PKS0903 | Indirect Cross Interchange | 1 |
| GOODYEAR | 4PK0903S | Indirect Cross Interchange | 1 |