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The NGK direct-fit oxygen sensor for 2004–2006 Toyota Highlander delivers continuous closed-loop feedback to the engine control unit to help control air–fuel ratio and assist emissions monitoring. NTK's ceramic expertise and OEM collaboration inform ongoing design improvements for durability. The sensor uses an advanced ceramic element with a 3-stage contaminant-resistant plasma jet and deposit trap overcoat to reduce susceptibility to element poisoning and deposits.
NGK Toyota Highlander 2006-2004 Direct Fit Oxygen Sensor
