This is the Bosch manufactured Wideband "Replacement" Sensor for AEM Wideband UEGOs. This works with the AEM digital and Analog Wideband Gauges, EMS's with the built in UEGO, and the new AEM inline Wideband UEGO. This is a Bosch LSU 4.2 sensor that has been calibrated to work specifically with the AEM UEGO line of products.
