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LSU 4.9 Wideband Oxygen Sensor
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High-quality LSU 4.9 wideband oxygen sensor manufactured by Bosch, designed for accurate air-fuel ratio (AFR / Lambda) measurement in gasoline engines and performance applications.
The LSU 4.9 sensor is an industry standard for standalone ECUs, widely used in both street and motorsport builds. It offers fast response, high accuracy, and stable readings across a wide range of operating conditions.
Can be used as replacment for 0 258 017 025
Compatible with popular standalone ECUs such as FOME, rusEFI, MaxxECU, ECUMaster, EMU, EasyECU, and with wideband controllers supporting LSU 4.9 sensors.
Cheaper in a set
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