DELPHI Lambda zonde ES21400-12B1

Compatible with CITROËN C1 II (PA_, PS_) , PEUGEOT 108 ,
This DELPHI Lambda zonde is designed for optimal engine performance and fuel efficiency. Ensure your vehicle's emissions are within regulations with this reliable component.
52.12 EUR
inc. VAT 21%
In stock 6
Delivery 1 day (18.05.2026)
PN ES21400-12B1
Make DELPHI
EAN 5012759655948

The DELPHI Lambda zonde, part code ES21400-12B1, is a critical sensor for modern engine management systems. It measures the oxygen content in the exhaust gases, providing vital data to the engine control unit (ECU). By accurately monitoring the air-fuel ratio, this sensor helps the ECU make real-time adjustments to optimize combustion. This leads to improved fuel economy, reduced emissions, and smoother engine operation. A properly functioning Lambda zonde is essential for passing emissions tests and maintaining your vehicle's environmental compliance. Crafted with DELPHI's commitment to quality, the ES21400-12B1 is built to withstand the harsh conditions of the exhaust system. Its durable construction ensures long-lasting performance and reliable readings, contributing to the overall health and efficiency of your vehicle's powertrain.

  • Direct fit for specified applications
  • Measures oxygen content in exhaust
  • Optimizes air-fuel ratio for efficiency
  • Helps reduce harmful emissions
  • Ensures smooth engine performance
  • Durable construction for longevity
  • Designed for reliable and accurate readings
  • Essential for emissions compliance
Cable length [mm]
305
Oxygen sensor
Planar type lambda sensor
Oxygen sensor
with heating
  • CITROËN
    • C1 II (PA_, PS_)
      • 1.0 VTi 68 (51kW/69PS)
      • 1.0 VTi 72 (53kW/72PS)
  • PEUGEOT
    • 108
      • 1.0 VTi (51kW/69PS)
      • 1.0 VTi 72 (53kW/72PS)
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