PIERBURG Pressure Converter, Turbocharger

Compatible with AUDI A8 D2 (4D2, 4D8) , AUDI A6 C5 (4B2, 4B4) , AUDI A6 C5 Avant (4B5, 4B6) Show more info
This PIERBURG pressure converter is designed for turbocharger systems. It ensures optimal boost pressure regulation for improved engine performance.
60.88 EUR
inc. VAT 21%
In stock 5
Delivery 1 day (30.03.2026)
PN 721903490
Make PIERBURG
EAN 4028977377679

The PIERBURG pressure converter, part number 7.21903.49.0, is a critical component for modern turbocharged engines. It plays a vital role in managing the boost pressure generated by the turbocharger, ensuring it stays within safe and efficient operating parameters. By precisely controlling the flow of vacuum or pressure, this converter helps to prevent overboosting, which can lead to engine damage, and underboosting, which results in reduced power output. This leads to a more responsive and reliable driving experience. Engineered by PIERBURG, a trusted name in automotive components, this pressure converter is built to meet stringent quality standards. Its reliable operation contributes to the overall efficiency and longevity of your vehicle's turbocharging system.

  • Genuine PIERBURG part for turbocharger systems
  • Part number: 7.21903.49.0
  • Ensures precise boost pressure control
  • Optimizes turbocharger performance
  • Helps prevent overboosting and underboosting
  • Contributes to engine efficiency and reliability
  • Durable construction for long service life
Operating mode
electro-pneumatic
Voltage [V]
1/2"
  • AUDI
    • A8 D2 (4D2, 4D8)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 2.5 TDI (132kW/180PS)
    • A6 C5 (4B2, 4B4)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 2.5 TDI (132kW/180PS)
      • 2.5 TDI quattro (132kW/180PS)
    • A6 C5 Avant (4B5, 4B6)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 2.5 TDI (132kW/180PS)
      • 2.5 TDI quattro (132kW/180PS)
    • ALLROAD C5 (4BH)
      • 2.5 TDI quattro (132kW/180PS)
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