Denso part no. 197400-2030. Lexus ES300 Air Flow / Mass Meter Insert, Lexus GS300 Air Flow / Mass Meter Insert, Lexus GS430 Air Flow / Mass Meter Insert, Lexus GS450h Air Flow / Mass Meter Insert, Lexus IS300 Air Flow / Mass Meter Insert, Lexus LS430 Air Flow / Mass Meter Insert, Lexus RX330 Air Flow / Mass Meter Insert, Lexus RX400h Air Flow / Mass Meter Insert
