For S8 2004-2006 Vehicle Oxygen Sensing Lambda Sensor 2345129

Compatibility：For S8 2004 2005 2006 Installation: When fitting this oxygen sensor, take care not to apply any sealant or other substances to the sensor, particularly the sensor section, to avoid affecting its normal detection function. Function: The oxygen sensor is a vital component of the on-board diagnostic system; its data is used to monitor the operational status of the emission control system, thereby meeting the monitoring requirements of emission regulations. Please note: Before purchasing, please check that the make, model, year and engine type of your vehicle match those listed, to avoid installation failures due to incompatible specifications. After-sales service: Should you encounter any issues whilst using the product, please let us know and we will provide a solution without delay.