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The NGK direct-fit oxygen sensor for Toyota Sienna (2001–2003) restores accurate oxygen monitoring for the on-board diagnostic system, helping the ECU regulate air–fuel ratio, improve fuel efficiency and reduce emissions. NTK’s ceramics expertise is applied with a 3-stage contaminant-resistant ceramic element and deposit-trap overcoat to protect the sensing element from contamination and improve service life while maintaining OE-style performance.
NGK Toyota Sienna 2003-2001 Direct Fit Oxygen Sensor
