| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WAGNER | PAB503 | Direct Cross Interchange | 2 |
| WAGNER | Z503 | Direct Cross Interchange | 1 |
| VW | 251609531 | Indirect Cross Interchange | 2 |
| BENDIX | RS503L | Indirect Cross Interchange | 2 |
| AMS | 503 | Indirect Cross Interchange | 2 |
| VW | 251609532Q | Indirect Cross Interchange | 2 |
| VW | 251609532M | Indirect Cross Interchange | 2 |
| VW | 251609532L | Indirect Cross Interchange | 2 |
| VW | 251609532K | Indirect Cross Interchange | 2 |
| VW | 251609532G | Indirect Cross Interchange | 2 |
| VW | 251609532E | Indirect Cross Interchange | 2 |
| VW | 251609532B | Indirect Cross Interchange | 2 |
| VW | 251609532 | Indirect Cross Interchange | 2 |
| VW | 251609531P | Indirect Cross Interchange | 2 |
| VW | 251609531N | Indirect Cross Interchange | 2 |
| VW | 251609531M | Indirect Cross Interchange | 2 |
| VW | 251609531L | Indirect Cross Interchange | 2 |
| VW | 251609531K | Indirect Cross Interchange | 2 |
| VW | 251609531G | Indirect Cross Interchange | 2 |
| VW | 251609531E | Indirect Cross Interchange | 2 |
| VW | 251609531B | Indirect Cross Interchange | 2 |
| E.T.F. | 090370 | Indirect Cross Interchange | 1 |
| JURID | 361271J | Indirect Cross Interchange | 1 |
| CENTRIC | 11105031 | Indirect Cross Interchange | 1 |
| TOPRAN | 103289 | Indirect Cross Interchange | 1 |
| A.B.S. | 8801 | Indirect Cross Interchange | 1 |
| CENTRIC | 11005031 | Indirect Cross Interchange | 1 |
| fri.tech. | 1124279 | Indirect Cross Interchange | 1 |
| TEXTAR | 98101027604 | Indirect Cross Interchange | 1 |
| BENDIX | R503L | Indirect Cross Interchange | 1 |
| CARQUEST | BS503 | Indirect Cross Interchange | 1 |
| AIMCO | AFR503 | Indirect Cross Interchange | 1 |
| TEXTAR | 91027600 | Indirect Cross Interchange | 1 |
| BENDIX | 503L | Indirect Cross Interchange | 1 |
| AUTOSPECIALTY | 3050311 | Indirect Cross Interchange | 1 |
| KAWE | 21271 | Indirect Cross Interchange | 1 |
| SBS | 18492747370 | Indirect Cross Interchange | 1 |
| GIRLING | 5181739 | Indirect Cross Interchange | 1 |
| MONROE | BX503 | Indirect Cross Interchange | 1 |
| KAGER | 340473 | Indirect Cross Interchange | 1 |
| BOSCH | BS529 | Indirect Cross Interchange | 1 |
| JP GROUP | 698215005 | Indirect Cross Interchange | 1 |
| BOSCH | 0986487279 | Indirect Cross Interchange | 1 |
| BECK/ARNLEY | 0812099 | Indirect Cross Interchange | 1 |
| ATE | 650148 | Indirect Cross Interchange | 1 |
| ACDelco | 17503B | Indirect Cross Interchange | 1 |
| ATE | 03013701482 | Indirect Cross Interchange | 1 |
| HP | 1274 | Indirect Cross Interchange | 1 |
| DELPHI | LS1301 | Indirect Cross Interchange | 1 |
| VAICO | V100459 | Indirect Cross Interchange | 1 |
| TRW | GS8173 | Indirect Cross Interchange | 1 |
| PEX | 6050 | Indirect Cross Interchange | 1 |
| REMSA | 440300 | Indirect Cross Interchange | 1 |
| MINTEX | MFR247 | Indirect Cross Interchange | 1 |
| ROADHOUSE | 440300 | Indirect Cross Interchange | 1 |
| FERODO | FSB174 | Indirect Cross Interchange | 1 |
| MEYLE | 1000420601 | Indirect Cross Interchange | 1 |
| RAYBESTOS | 503RP | Indirect Cross Interchange | 1 |
| RAYBESTOS | 503PG | Indirect Cross Interchange | 1 |
| PAGID | H8195 | Indirect Cross Interchange | 1 |
| SEAT | 251609532Q | Indirect Cross Interchange | 1 |
| SEAT | 251609531M | Indirect Cross Interchange | 1 |
| QUINTON HAZELL | BS679 | Indirect Cross Interchange | 1 |
| FTE | BB1061A1 | Indirect Cross Interchange | 1 |
| AUDI | 251698531LX | Indirect Cross Interchange | 1 |
| AUDI | 251698531LV | Indirect Cross Interchange | 1 |
| AUDI | 251698531EX | Indirect Cross Interchange | 1 |
| AUDI | 251609532M | Indirect Cross Interchange | 1 |
| AUDI | 251609531P | Indirect Cross Interchange | 1 |
| OE | 251609532B | Indirect Cross Interchange | 1 |
| OE | 251609531E | Indirect Cross Interchange | 1 |
| OE | 251609531B | Indirect Cross Interchange | 1 |
| VW | 251698531L | Indirect Cross Interchange | 1 |
| BENDIX | 361271B | Indirect Cross Interchange | 1 |
| NAPA | AE503 | Indirect Cross Interchange | 1 |
| VW | 251698531 | Indirect Cross Interchange | 1 |
| TRUSTING | 124279 | Indirect Cross Interchange | 1 |
| FMSI | 1352503 | Indirect Cross Interchange | 1 |
| TRISCAN | 810029370 | Indirect Cross Interchange | 1 |
| LPR | 03970 | Indirect Cross Interchange | 1 |