For Opel Astra H 2004-2009 Car Lambda Sensing Unit 4 Wire Oxygen Sensor Sensors 90543281

Compatibility：For Astra H 1.6 Twinport 2004 2005 2006 2007 2008 2009 Installation: If your vehicle is fitted with multiple oxygen sensors, assure you identify the specific location and corresponding model requiring replacement to avoid purchasing or fitting the wrong part. Function: A decline in the performance of the oxygen sensor can lead to issues such as increased fuel consumption, reduced power and excessive emissions; replacing it promptly with a sensor in good working order helps restore the vehicle to its normal operating condition. 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.