| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| GATES | 4PK668 | Direct Cross Interchange | 13 |
| TRISCAN | 8640400668 | Direct Cross Interchange | 11 |
| FLENNOR | 4PK0668 | Direct Cross Interchange | 7 |
| CONTITECH | 4PK665 | Direct Cross Interchange | 7 |
| SKF | VKMV4PK668 | Direct Cross Interchange | 6 |
| DAYCO | 4PK668 | Direct Cross Interchange | 6 |
| ROULUNDS RUBBER | 4K0665 | Direct Cross Interchange | 6 |
| MAGNETI MARELLI | 340411000665 | Direct Cross Interchange | 5 |
| BOSCH | 1987948302 | Direct Cross Interchange | 5 |
| GOODYEAR | 4PK0668 | Direct Cross Interchange | 4 |
| GOODYEAR | 4PK0668G | Direct Cross Interchange | 4 |
| OPTIBELT | 4PK665 | Direct Cross Interchange | 3 |
| FIAT | 71719738 | Indirect Cross Interchange | 12 |
| FORD | 1535430 | Indirect Cross Interchange | 12 |
| LANCIA | 71719738 | Indirect Cross Interchange | 10 |
| FIAT | 46736814 | Indirect Cross Interchange | 10 |
| FIAT | 46809420 | Indirect Cross Interchange | 9 |
| CHEVROLET | 96239408 | Indirect Cross Interchange | 9 |
| MAZDA | ZZS418381 | Indirect Cross Interchange | 9 |
| ALFA ROMEO | 71719738 | Indirect Cross Interchange | 8 |
| LANCIA | 46736814 | Indirect Cross Interchange | 8 |
| LANCIA | 46809420 | Indirect Cross Interchange | 7 |
| DAEWOO | 96239408 | Indirect Cross Interchange | 6 |
| QUINTON HAZELL | QBR4663 | Indirect Cross Interchange | 6 |
| FIAT | 71769759 | Indirect Cross Interchange | 5 |
| CHEVROLET | 96570670 | Indirect Cross Interchange | 5 |
| HUTCHINSON | 668K4 | Indirect Cross Interchange | 5 |
| DAEWOO | 96570670 | Indirect Cross Interchange | 5 |
| FEBI BILSTEIN | 28765 | Indirect Cross Interchange | 4 |
| SWAG | 70928765 | Indirect Cross Interchange | 4 |
| JAPANPARTS | DV4PK0665 | Indirect Cross Interchange | 4 |
| LANCIA | 71769759 | Indirect Cross Interchange | 4 |
| CHEVROLET | 25183061 | Indirect Cross Interchange | 3 |
| DELPHI | MR40668 | Indirect Cross Interchange | 3 |
| GOODYEAR | 4PK0663 | Indirect Cross Interchange | 3 |
| GATES | 48338 | Indirect Cross Interchange | 3 |
| ALFA ROMEO | 46809420 | Indirect Cross Interchange | 3 |
| SKF | VKMV4PK665 | Indirect Cross Interchange | 3 |
| AE | MVB663R4 | Indirect Cross Interchange | 3 |
| MAPCO | 240665 | Indirect Cross Interchange | 3 |
| HEXEN | 4K668 | Indirect Cross Interchange | 3 |
| GOODYEAR | 4PK0668E | Indirect Cross Interchange | 2 |
| HUTCHINSON | 660K4 | Indirect Cross Interchange | 2 |
| ASHIKA | 1124PK665 | Indirect Cross Interchange | 2 |
| JAPKO | 4PK665 | Indirect Cross Interchange | 2 |
| MEYLE | 0500040665 | Indirect Cross Interchange | 2 |
| FIAT | 46758804 | Indirect Cross Interchange | 2 |
| ALFA ROMEO | 71769759 | Indirect Cross Interchange | 2 |
| KAVO PARTS | DMV6508 | Indirect Cross Interchange | 2 |
| DAEWOO | 25183065 | Indirect Cross Interchange | 1 |
| DAEWOO | 25183061 | Indirect Cross Interchange | 1 |
| NISSAN | 11720BX010 | Indirect Cross Interchange | 1 |
| CHEVROLET | 25183065 | Indirect Cross Interchange | 1 |
| METZGER | 4PK668 | Indirect Cross Interchange | 1 |
| DAYCO | 4PK638 | Indirect Cross Interchange | 1 |
| ROULUNDS | 4K0665 | Indirect Cross Interchange | 1 |
| TRISCAN | 864PK665 | Indirect Cross Interchange | 1 |
| TRISCAN | 14014PK668 | Indirect Cross Interchange | 1 |
| TRISCAN | 054PK668 | Indirect Cross Interchange | 1 |
| GATES | 48339 | Indirect Cross Interchange | 1 |
| ALFA ROMEO | 46736814 | Indirect Cross Interchange | 1 |
| FLENNOR | 4PK668 | Indirect Cross Interchange | 1 |
| SCT Germany | 4R337 | Indirect Cross Interchange | 1 |
| MGA | 4PK0663 | Indirect Cross Interchange | 1 |