Oxygen (lambda) sensor — direct replacement for part numbers: 0230007292, 0230007290, 0230007291, 686696064658, 55391, 1811002940, 1811002941, 5811002941, 0230007291, 0230007292, 230007290 What this part does Monitors the oxygen content in exhaust gases and provides precise feedback to the engine control system. Helps the engine management system adjust fuel delivery and ignition timing for proper combustion behavior. Functions as a dropin replacement for the listed part numbers where a compatible oxygen sensor is required. Key benefits Direct compatibility: Designed to the exact part numbers listed, minimizing fitment issues and installation time. Restores proper sensor feedback: Replacing a worn or faulty sensor helps resolve sensorrelated diagnostic trouble codes and stabilizes engine operation. Simple installation: Intended for straightforward replacement using the existing mounting location and connector on compatible vehicles. Reliable operation: Built to meet the functional requirements of the original part, providing consistent sensor output under normal operating conditions. Important attributes Function: Oxygen (lambda) sensing for exhaust gas composition monitoring. Compatibility: Exact match for the provided part numbers. Confirm your vehicle or equipment requires one of these part numbers before ordering. Fit and connector: Supplied to match the original equipment mounting and electrical connector format for plugin replacement. Performance: Provides the sensor signal needed by the engine control system to adjust airfuel ratio and maintain drivability. Typical applications a failed oxygen sensor that is triggering a check engine light or diagnostic trouble codes related to sensor performance. Complete exhaust system maintenance after replacing catalytic components or work that required sensor removal. Routine component refresh during engine troubleshooting to eliminate sensor faults as a cause of rough idle, poor fuel trim readings, or reduced throttle response. Notes for buyers Verify compatibility by matching one of the listed part numbers to the part being replaced. Professional or experienced DIY installation recommended if vehicle lifting or exhaust disassembly is required. This description covers the sensor function and part number compatibility. Consult a service manual or parts diagram for modelspecific installation procedures.