AEM Wideband O2 Sensor Bosch 4.9LSU Replacement Sensor Kit

AEM Wideband O2 Sensor — Bosch 4.9LSU Replacement Sensor Kit Brand: AEM Replace your worn or damaged wideband oxygen sensor with the genuine Bosch 4.9LSU replacement sensor kit engineered for AEM UEGO wideband controllers. This kit includes the sensor with attached cable and male connector for direct swap-in replacement of an existing mounted wideband sensor. Key Features Plug-and-play sensor with pre-attached cable and male connector for easy installation. Bosch 4.9LSU laboratory-calibrated for precise air/fuel readings (±0.1 AFR). No free-air calibration required when used with AEM wideband AFR controllers — factory-calibrated for long-term accuracy. Integrated laser-etched resistor in the connector body matched to each sensor for reliable output; do not modify or remove. Why Choose This Sensor This genuine Bosch unit maintains the high accuracy and fast response times expected from AEM’s wideband systems. Ideal for performance tuning, dyno work, and track applications where consistent AFR data is critical. The sensor’s factory calibration and matched resistor ensure dependable readings and simplified maintenance. Note: Modifying the connector resistor or attempting to recalibrate outside factory procedures will invalidate sensor output.