Oxygen sensor: Composed of zirconia internal ceramic material, with porous platinum coating and metal shell protection. It improve heat resistance, wear resistance, high temperature resistance and extend the service life of o2 sensors Reference Number: Before purchasing this oxygen sensor, please check the year mode and the interchangeable part number to confirm compatibility.Reference number:250-24870, 350-34074, 234-4400, 2344400 Compatible Vehicles: Compatible with Lexus CT200h 2011-2017 L4 1.8L; Compatible with Toyota Prius 2010-2015 L4 1.8L, Prius C 2012-2019 L4 1.5L, Prius V 2012-2017 L4 1.8L, Prius Plug-In 2012-2015 L4 1.8L Compatible Vehicles: Compatible with Lexus RX350 2014-2015 V6 3.5L From 03-2014, RX450h 2011-2015 V6 3.5L; Compatible with Toyota Highlander 2011-2016 V6 3.5L, Sienna 2015-2016 V6 3.5L AWD Car O2 Sensor Function：O2 sensor monitors the mixed gas, ensuring that the engine is in an optimal combustion state of the mixed gas; The o2 sensor can control the automobile exhaust emission and improve the automobile engine fuel combustion quality 250-24870 O2 Oxygen Sensor Compatible with Toyota, Lexus Models - Highlander 2011-2016, Prius 2010-2015, Prius V, Sienna, CT200h, RX350, RX450h, Replace 350-34074, 234-4400, 2344400