| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| DAYCO | 4PK545 | Direct Cross Interchange | 17 |
| FIAT | 7675213 | Direct Cross Interchange | 16 |
| CONTITECH | 4PK545 | Direct Cross Interchange | 16 |
| FIAT | 46557132 | Direct Cross Interchange | 16 |
| BOSCH | 1987946033 | Direct Cross Interchange | 15 |
| QUINTON HAZELL | QBR4550 | Direct Cross Interchange | 12 |
| TRISCAN | 8640400545 | Direct Cross Interchange | 12 |
| FLENNOR | 4PK0545 | Direct Cross Interchange | 12 |
| FIAT | 71739606 | Direct Cross Interchange | 11 |
| PEX | 201543 | Direct Cross Interchange | 10 |
| ROULUNDS RUBBER | 4K0545 | Direct Cross Interchange | 9 |
| GOODYEAR | 4PK0545 | Direct Cross Interchange | 9 |
| AE | MVB545R4 | Direct Cross Interchange | 8 |
| SCT Germany | 4R329 | Direct Cross Interchange | 8 |
| MAGNETI MARELLI | 340411000545 | Direct Cross Interchange | 6 |
| DELPHI | MR40545 | Direct Cross Interchange | 6 |
| FIAT | 71739006 | Direct Cross Interchange | 5 |
| SKF | VKMV4PK545 | Direct Cross Interchange | 4 |
| MGA | 4PK0545 | Direct Cross Interchange | 3 |
| FLENNOR | 4PK545 | Direct Cross Interchange | 1 |
| GATES | 48329 | Indirect Cross Interchange | 11 |
| KAGER | 263221 | Indirect Cross Interchange | 9 |
| ACDelco | AB21146 | Indirect Cross Interchange | 7 |
| FLENNOR | 47218 | Indirect Cross Interchange | 7 |
| CONTITECH | VRi4PK545 | Indirect Cross Interchange | 7 |
| METZGER | 4PK545 | Indirect Cross Interchange | 4 |
| MASTER-SPORT | 4PK545PCSMS | Indirect Cross Interchange | 3 |
| DAYCO | 4PK550 | Indirect Cross Interchange | 3 |
| FIAT | 46443511 | Indirect Cross Interchange | 2 |
| GOODYEAR | 4PK545 | Indirect Cross Interchange | 2 |
| GATES | 4PK550 | Indirect Cross Interchange | 2 |
| LANCIA | 571275100 | Indirect Cross Interchange | 1 |
| RPK | RPK4PK545 | Indirect Cross Interchange | 1 |
| SK | SK4PK545 | Indirect Cross Interchange | 1 |
| TRISCAN | 8640400550 | Indirect Cross Interchange | 1 |
| DAYCO | 4PK552 | Indirect Cross Interchange | 1 |
| FIAT | 571275100 | Indirect Cross Interchange | 1 |
| DAYCO | 4PK0550 | Indirect Cross Interchange | 1 |
| FIAT | 57127510 | Indirect Cross Interchange | 1 |
| DAYCO | 4PK0545 | Indirect Cross Interchange | 1 |
| FIAT | 0000007675213 | Indirect Cross Interchange | 1 |
| ROULUNDS | 4K0545 | Indirect Cross Interchange | 1 |
| TRISCAN | 864PK545 | Indirect Cross Interchange | 1 |
| TRISCAN | 14014PK545 | Indirect Cross Interchange | 1 |
| TRISCAN | 054PK545 | Indirect Cross Interchange | 1 |