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The NTK/NGK direct-fit oxygen sensor for Toyota 4Runner (1988–1989) restores closed-loop sensing to the vehicle’s control system to help maintain optimal engine performance and emissions. NTK, a major OEM supplier, controls ceramic element production through every phase. The sensor design employs a 3-stage contaminant-resistant plasma jet and deposit-trap overcoat to protect the ceramic element and improve resistance to failure.
NGK Toyota 4Runner 1989-1988 Direct Fit Oxygen Sensor
