The NGK direct-fit oxygen sensor for Ford Focus (2006–2011) replaces the factory unit and provides continuous closed-loop OBDII feedback to the engine control unit to help maintain optimal engine performance, fuel efficiency and reduced emissions. It features state-of-the-art ceramic sensor technology with a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to protect the element from poisoning and improve resistance to failure while ensuring OE-level fitment.
NGK Ford Focus 2011-2006 Direct Fit Oxygen Sensor