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The NGK direct-fit oxygen sensor for Ford Focus (2003–2006) delivers OE-style air–fuel sensing to support closed-loop ECU control, helping stabilize engine performance, improve fuel efficiency and cut emissions. Using NTK ceramic technology, the sensor incorporates a 3-stage contaminant-resistant ceramic element with a plasma-jet and deposit-trap overcoat to protect against poisoning and provide reliable OEM-matching replacement performance.
NGK Ford Focus 2006-2003 Direct Fit Oxygen Sensor
