Over time, the membrane in the crankcase ventilation valve dries up, microcracks form on it, and as a result it breaks, this is due to high temperatures and aging of the material.
Due to such a problem, the engine can start badly, run unstably (especially at idle!), Engine smoke, traction disappearing from the bottom, oil consumption may increase, and of course, dust can get into the engine, which, in turn, contributes to increased wear of parts and mechanisms.
If you hear a whistle near a car in the area of ​​the KVKG, this means that the membrane is torn, in this case, it is necessary to replace the old membrane with a new one.

VAG dealer offers to replace only the valve roof assembly, we manufacture and sell the membrane separately. The new membrane is made of oil and petrol resistant

Valve caps 03H103429H, 03H103429D, 03H103429C, 03H103429D, 03H103429L, 022103515A, 022103515B, 95510513501, 95510513500, 95810513530, 95810513531 were installed on VW, Skoda, Audi cars:
Please verify the part number on your vehicle before ordering.

All parcels are sent by airmail on the same day or the next (except holidays and weekends). The parcel is sent by the economical carrier, because for you the delivery is free. But, as everyone knows, economical delivery can not be fast. It can take both 7 days and 30 days. And therefore, please pay attention to this before ordering. Unfortunately, we can not in any way affect the speed of delivery. Thank you for understanding.