| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| TOPRAN | 111253 | Direct Cross Interchange | 8 |
| SEAT | 6K4837401G | Direct Cross Interchange | 4 |
| SEIM | 980044 | Direct Cross Interchange | 3 |
| EQUAL QUALITY | 410513 | Direct Cross Interchange | 3 |
| MAGNETI MARELLI | 350103799000 | Direct Cross Interchange | 2 |
| METZGER | 2160056 | Direct Cross Interchange | 2 |
| VW | 6K4837401M | Direct Cross Interchange | 2 |
| VW | 6K4837401K | Direct Cross Interchange | 2 |
| VW | 6K4837401F | Direct Cross Interchange | 2 |
| SEAT | 6K4837401M | Direct Cross Interchange | 2 |
| SEAT | 6K4837401K | Direct Cross Interchange | 2 |
| SEAT | 6K4837401F | Direct Cross Interchange | 2 |
| VAICO | 106323 | Direct Cross Interchange | 1 |
| VW | 6K4837401G | Direct Cross Interchange | 1 |
| VAG | 6K4837401M | Indirect Cross Interchange | 1 |
| MAGNETI MARELLI | 350103477000 | Indirect Cross Interchange | 1 |
| JOHNS | 95244113 | Indirect Cross Interchange | 1 |
| A.I.C. Competition | 52181 | Indirect Cross Interchange | 1 |
| ROVER | AC799 | Indirect Cross Interchange | 1 |
| ROVER | 350103799000 | Indirect Cross Interchange | 1 |
| VW | 6K4837401J | Indirect Cross Interchange | 1 |