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The NGK direct-fit oxygen sensor for Toyota 4Runner (1999–2002) supports the vehicle’s on-board diagnostics by supplying continuous oxygen readings to the ECU for better engine performance, fuel economy and emissions control. Developed with NTK OE-level expertise, the sensor incorporates an advanced ceramic element and a 3-stage contaminant-resistant plasma jet and deposit trap overcoat to improve contamination resistance.
NGK Toyota 4Runner 2002-1999 Direct Fit Oxygen Sensor
