| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| OPEN PARTS | WAP821400 | Direct Cross Interchange | 1 |
| AUDI | 21121004A | Indirect Cross Interchange | 1 |
| AUDI | 21121004 | Indirect Cross Interchange | 1 |
| AUDI | 021121004X | Indirect Cross Interchange | 1 |
| GGT | PA10968 | Indirect Cross Interchange | 1 |
| AUDI | 021121004AX | Indirect Cross Interchange | 1 |
| TOPRAN | 100112 | Indirect Cross Interchange | 1 |
| AUDI | 021121004AV | Indirect Cross Interchange | 1 |
| Saleri SIL | PA847 | Indirect Cross Interchange | 1 |
| AUDI | 021121004A | Indirect Cross Interchange | 1 |
| KWP | 10617 | Indirect Cross Interchange | 1 |
| AUDI | 021121004 | Indirect Cross Interchange | 1 |
| GRAF | PA617 | Indirect Cross Interchange | 1 |
| SKF | VKPC81611 | Indirect Cross Interchange | 1 |
| DOLZ | A181 | Indirect Cross Interchange | 1 |
| TRUCKTEC AUTOMOTIVE | 0719079 | Indirect Cross Interchange | 1 |
| SEAT | 21121004A | Indirect Cross Interchange | 1 |
| VW | 21121004X | Indirect Cross Interchange | 1 |
| HEPU | P524 | Indirect Cross Interchange | 1 |
| SEAT | 21121004 | Indirect Cross Interchange | 1 |
| VW | 21121004V | Indirect Cross Interchange | 1 |
| AIRTEX | 9262 | Indirect Cross Interchange | 1 |
| SEAT | 021121004X | Indirect Cross Interchange | 1 |
| VW | 21121004AV | Indirect Cross Interchange | 1 |
| VAICO | V1050040 | Indirect Cross Interchange | 1 |
| SEAT | 021121004V | Indirect Cross Interchange | 1 |
| VW | 21121004A | Indirect Cross Interchange | 1 |
| MAPCO | 21824 | Indirect Cross Interchange | 1 |
| SEAT | 021121004AX | Indirect Cross Interchange | 1 |
| VW | 21121004 | Indirect Cross Interchange | 1 |
| METELLI | 240617 | Indirect Cross Interchange | 1 |
| SEAT | 021121004AV | Indirect Cross Interchange | 1 |
| VW | 021121004X | Indirect Cross Interchange | 1 |
| MAXGEAR | 470085 | Indirect Cross Interchange | 1 |
| SEAT | 021121004A | Indirect Cross Interchange | 1 |
| VW | 021121004V | Indirect Cross Interchange | 1 |
| SEAT | 021121004 | Indirect Cross Interchange | 1 |
| VW | 021121004AX | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | QCP3155 | Indirect Cross Interchange | 1 |
| VW | 021121004AV | Indirect Cross Interchange | 1 |
| MERCEDES-BENZ | A0002000701 | Indirect Cross Interchange | 1 |
| VW | 021121004A | Indirect Cross Interchange | 1 |
| MERCEDES-BENZ | 2000701 | Indirect Cross Interchange | 1 |
| VW | 021121004 | Indirect Cross Interchange | 1 |
| MERCEDES-BENZ | 2000301 | Indirect Cross Interchange | 1 |
| SKODA | 21121004AX | Indirect Cross Interchange | 1 |
| MERCEDES-BENZ | 0002000701 | Indirect Cross Interchange | 1 |
| SKODA | 21121004 | Indirect Cross Interchange | 1 |
| FORD | RM95VW8591AA | Indirect Cross Interchange | 1 |
| SKODA | 021121004 | Indirect Cross Interchange | 1 |
| FORD | EPW2174 | Indirect Cross Interchange | 1 |
| SEAT | 21121004X | Indirect Cross Interchange | 1 |
| FORD | 95VW8591AB | Indirect Cross Interchange | 1 |
| SEAT | 21121004V | Indirect Cross Interchange | 1 |
| FORD | 95VW8591AA | Indirect Cross Interchange | 1 |
| SEAT | 21121004AV | Indirect Cross Interchange | 1 |
| FORD | 93VW8591AA | Indirect Cross Interchange | 1 |
| FORD | 1213357 | Indirect Cross Interchange | 1 |
| FORD | 1059843 | Indirect Cross Interchange | 1 |
| FORD | 1001889 | Indirect Cross Interchange | 1 |
| AUDI | 21121004AX | Indirect Cross Interchange | 1 |
| AUDI | 21121004AV | Indirect Cross Interchange | 1 |