30-2004 AEM Replacement 4.9LSU Bosch Oxygen Sensor
Fits these Applications:
AEM Replacement 4.9LSU Bosch Oxygen Sensor for AEM Digital Wideband UEGO Air/Fuel Gauge 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.
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AEM Replacement 4.9LSU Bosch Oxygen Sensor
Cancer and Reproductive Harm