Bosch LSU4.9 Wideband Oxygen 02 Sensor

SEN-LSU4.9

Genuine Bosch LSU 4.9 wideband oxygen (lambda) sensor.

These are the latest commercial wideband 02 sensor from Bosch and offer a faster response than the 4.2 sensors. The are an accurate and robust sensor, commonly used with aftermarket engine management, AFR meters and gauges and dyno feeds.


Installation tips:

To significantly increase the longevity of your wideband lambda sensor we recommend configuring your ECU to bring the sensor to online AFTER engine start-up. Initialising your wideband lambda sensor prior to engine start-up will dramatically shorten its life. The sensor should be placed ideally 150 - 650mm downstream of the manifold collector or turbine outlet and not exposed to running or puddling condensation i.e. it should be positioned ideally on the top surface of the exhaust, or on a vertical surface.


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£0.00 £92.00
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