For Focus Mk3 2011-2017 Car Lambda Sensing Unit Downstream Probe Oxygen Sensor OEM M51-9G444-AA

Compatibility：For Focus Mk3 2011 2012 2013 2014 2015 2016 2017 Features: This oxygen sensor employs a modular design with independent components. Manufactured using proven production techniques, it offers outstanding texture stability, high product consistency and a low failure rate. Installation: When fitting this oxygen sensor, it is advisable to simultaneously check the condition of the associated wiring harness and connectors. If the wiring harness is found to be aged or the connectors are corroded, these issues should be addressed at the same time to inhibit subsequent problems. 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.