030 103 175 B : PCV valve for Volkswagen Polo 9N

The PCV valve is an essential component of the engine crankcase ventilation system: it regulates the return of oil vapours to the intake and contributes to the proper functioning of the entire powertrain. On the Volkswagen Polo 9N, replacement is necessary when it becomes clogged, stuck or shows signs of failure. As part of the restoration or regular maintenance of a classic vehicle, having a new and compliant part guarantees the maintenance of performance and engine longevity. This oil breather is thus a reliable element to restore your Polo 9N to original condition.