DELPHI Lambda zonde ES21521-12B1

Compatible with AUDI A1 (8X1, 8XK) , AUDI A1 Sportback (8XA, 8XF) , SKODA FABIA III (NJ3) Show more info
High-quality Lambda zonde designed for optimal engine performance and fuel efficiency. Ensures accurate exhaust gas monitoring for reduced emissions.
29.70 EUR
inc. VAT 21%
In stock 3
Delivery 1 day (15.05.2026)
PN ES21521-12B1
Make DELPHI
EAN 5012759633120

This Lambda zonde from DELPHI, part code ES21521-12B1, is engineered to provide precise measurements of oxygen content in your vehicle's exhaust gases. Proper functioning of the Lambda zonde is crucial for the engine control unit (ECU) to adjust the air-fuel mixture. This adjustment directly impacts fuel consumption, engine power, and the reduction of harmful emissions. DELPHI's commitment to quality ensures that this Lambda zonde will maintain its performance over time, contributing to a smoother running engine and a more environmentally friendly vehicle. Installation is straightforward, designed to integrate seamlessly with compatible systems.

  • Ensures accurate air-fuel ratio control
  • Optimizes fuel efficiency
  • Reduces harmful exhaust emissions
  • Designed for reliable and long-lasting performance
  • Direct fit for compatible vehicle applications
  • Manufactured by DELPHI
  • Part code: ES21521-12B1
Cable length [mm]
1000
Oxygen sensor
Planar type lambda sensor
Oxygen sensor
with heating
  • AUDI
    • A1 (8X1, 8XK)
      • 1.0 TFSI (70kW/95PS)
    • A1 Sportback (8XA, 8XF)
      • 1.0 TFSI (70kW/95PS)
  • SKODA
    • FABIA III (NJ3)
      • 1.0 TSI (70kW/95PS)
    • FABIA III Universālis (NJ5)
      • 1.0 TSI (70kW/95PS)
    • RAPID (NH3, NK3, NK6)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
    • RAPID Spaceback (NH1)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
  • SEAT
    • TOLEDO IV (KG3)
      • 1.0 TSI (70kW/95PS)
      • 1.0 TSI (81kW/110PS)
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