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The NGK direct-fit oxygen sensor for 2001–2003 Toyota Highlander supplies OE-style closed-loop feedback to the engine control unit to support proper air–fuel ratio, preserve engine performance, improve fuel economy and reduce emissions. Constructed using NTK ceramic sensor technology with a three-stage contaminant-resistant overcoat, this direct-fit unit resists element poisoning and is developed alongside OEM manufacturers for dependable fit and function.
NGK Toyota Highlander 2003-2001 Direct Fit Oxygen Sensor
