Toyota RAV4 Oxygen Sensor 89465-42170 Air-Fuel Ratio Precise Detection Direct Installation

This replacement uses an oxidation zirconia ceramic sensing element with a stainless steel housing, near OEM high-temperature and corrosion resistance; service life 80,000–100,000 km under normal conditions. OEM 89465-42170; fits Toyota RAV4 2013–2018 2.0L and 2.5L gasoline engines. Function: accurately monitors oxygen in exhaust and feeds ECU to adjust injection to meet emission standards. Installation difficulty medium; use a dedicated socket to remove old sensor; avoid thread galling; operate with cold engine and apply anti-seize as needed.