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Oxygen (Lambda) Sensors

BERU® delivers optimised driving and exhaust performance with its high-quality forward-looking oxygen sensors. Green, long-lasting and an OEM quality-match, this qualifies the entire range of BERU® Lambda Sensors. 

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Green, long-lasting & easy to install

oxygen-sensors-packaging

Used mostly in SI (Spark Ignition) engines with three-way catalytic converters, oxygen sensors aim to comply with or reach today's low statutory emission values for pollutants and optimize the performance of the engine and fuel consumption.

Measuring principle: 

  • The oxygen sensor measures the ratio of the injected mix O2/Fuel.
  • A rich mixture (little O₂ in the exhaust gas) will trigger the control unit to lean the mixture reducing the injected quantity.
  • A lean mixture (a lot of O₂ in the exhaust gas) will enable the control unit to enrich the mixture increasing the injected quantity.


BERU® Lambda Sensors ensure:

  • Low fuel consumption;
  • Consistent driving performance;
  • Reduced emission of pollutants;
  • Consistent engine output.


The BERU® Lambda Sensors range includes a wide number of BERU® Lambda probes which can be fitted in over 3,000 vehicles —almost the complete European fleet!

The BERU® Lambda Sensor range features:

  • Heated sensors to quickly reach operating temperature;
  • Ceramic measuring element made of zirconium oxide;
  • Zirconium finger-type sensors and planar oxygen sensors for recent applications;
  • Electrodes and contacts coated with oxygen permeable platinum;
  • Vehicle-specific designs to original equipment quality;
  • Expert replacement thanks to original connectors;
  • Problem-free installation with no additional accessories/adapter components;
  • Easy to understand installation instructions;
  • Replacement expected no sooner than after approximately 60.000km for unheated sensors and 80.000km for heated sensors. 
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