2011 Lexus RX350 3.5L V6. 2012-2014 Lexus RX350 3.5L V6. Notes: Air / Fuel Ratio Sensor - OE Style -- DENSO is the O.E. Manufacturer / Direct Fit Air Fuel Ratio Sensor; OE. Sensor Type: Wide-Band. Laser welded stainless housing resist corrosion and PTFE filter blocks contaminants under harsh engine conditions.