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Bosch LSU4.9 Lambda Sensor

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Bosch LSU4.9 Lambda Sensor
  • Bosch LSU4.9 Connector Set Front

The newest generation of oxygen sensors are called wideband oxygen sensors. They provide a precise indication of the exact air/fuel ratio, and over the broadest range of mixtures. The Bosch LSU 4.9 wideband oxygen sensor is a 5-wire sensor that reads oxygen in much the same way as a traditional oxygen sensor. but it uses the latest "planar" construction with a special two-part sensing element to measure how much oxygen is in the exhaust. The Bosch LSU 4.9 wideband oxygen sensor has a response time of less than 100 milliseconds to changes in the air/fuel mixture, and reaches operating temperature of 700 to 800 degree Centigrade (1,400 degree F) within 20 seconds or less using its internal heater. This is nearly twice the operating temperature of a conventional oxygen sensor.

  • Quick Heating
  • Fast Response < 100ms
  • Wide sensing range
  • 7:1 - 22:1 AFR

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  • 5
    Bosch LSU4.9 Lambda Sensor

    Posted by Brian McCormick on Jan 19th 2018

    Mario knew exactly what the problem and was and shipped a direct replacement to me promptly. Customer service here is fantastic. This guy has gone through a agonizing amount of phone calls and emails to help me get this project. running. Thanks for a great product and quality customer service.