DELPHI Lambda zonde ES21372-12B1

Compatible with VW UP! (121, 122, BL1, BL2, BL3, 123) , SEAT Mii (KF1, KE1) , SKODA CITIGO (NF1) Show more info
This DELPHI Lambda zonde is designed for optimal engine performance and fuel efficiency. Ensure your vehicle's emissions system is functioning correctly.
33.64 EUR
inc. VAT 21%
In stock 16
Delivery 1 day (15.05.2026)
PN ES21372-12B1
Make DELPHI
EAN 5012759655801

The DELPHI Lambda zonde, part code ES21372-12B1, is a critical component for modern vehicle emission control systems. It measures the oxygen content in the exhaust gases, providing vital data to the engine control unit (ECU). By accurately monitoring oxygen levels, the Lambda zonde allows the ECU to adjust the air-fuel mixture in real-time. This precise control is essential for maximizing fuel economy, reducing harmful emissions, and ensuring the catalytic converter operates at peak efficiency. This specific zonde from DELPHI is engineered for reliability and consistent performance. Proper functioning of the Lambda zonde is crucial for passing emissions tests and maintaining the overall health of your vehicle's powertrain.

  • Direct fit for specified applications
  • Ensures accurate air-fuel ratio control
  • Optimizes fuel efficiency
  • Reduces harmful exhaust emissions
  • Supports catalytic converter function
  • High-quality construction from DELPHI
  • Part code: ES21372-12B1
Cable length [mm]
775
Oxygen sensor
Planar type lambda sensor
Oxygen sensor
with heating
  • VW
    • UP! (121, 122, BL1, BL2, BL3, 123)
      • 1.0 (44kW/60PS)
      • 1.0 (55kW/75PS)
    • LOAD UP! (121, 122, BL1, BL2)
      • 1.0 (44kW/60PS)
      • 1.0 BlueMotion (55kW/75PS)
  • SEAT
    • Mii (KF1, KE1)
      • 1.0 (44kW/60PS)
      • 1.0 (55kW/75PS)
  • SKODA
    • CITIGO (NF1)
      • 1.0 (44kW/60PS)
      • 1.0 (55kW/75PS)
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