For Focus Mk2 2004-2011 Car Lambda Sensing Unit Downstream Probe Oxygen Sensor OEM M51-9G444-AA

Compatibility：For Focus Mk2 2004 2005 2006 2007 2008 2009 2010 2011 Function: The oxygen sensor significantly enhances the precision of engine fuel injection control, representing a major advancement in modern engine management systems. Features: This oxygen sensor features a cold-start design, enabling it to reach operating temperature quickly even in cold weather. It is resistant to seizing enhance due to rust after prolonged use, facilitating easy removal during replacement. 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.