AEM's Bosch 4.9LSU Wideband UEGO O2 replacement sensor kit includes only the sensor (with attached cable and
male connector) and is intended to replace an existing mounted wideband sensor used with AEM Digital Wideband UEGO
Air/Fuel Controller Part Number 108-30-4110.
These sensors have a laser-etched, calibrated resistor in the sensor’s connector body. This resistor is specifically
created for the exact sensor that it is attached to. Modifying this will invalidate the sensor’s output. The wideband
sensor is laboratory-calibrated at the Bosch factory, accurate to 0.1 AFR and never requires free-air calibration
when used with an AEM wideband AFR controller.
Accurate to 0.1 AFR
Never requires free-air calibration when used with an AEM Controller and connector plug.
Specifically designed for use with AEM Wideband UEGO controller Part Number 108-30-4110
Replacement sensor only
All other AEM Wideband Controllers please refer to the 108-30-2001 Bosch LSU 4.2 Replacement Sensor