Engineered to deliver consistent boost control even under the most demanding conditions
Engineered to deliver consistent boost control even under the most demanding conditions
Replaces the failure-prone factory diaphragm for rock-solid boost control
Controls actuation of the Combi Valve or Diverter Valve
This product was last offered at the strikethrough price on
05-07-2026
Restore lost engine power, resolve underboost fault codes, and prevent compressor surge on your turbocharged Volkswagen or Audi.
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Cure the boost leak and restore power