GENUINE HONDA - PRIMARY O2 OXYGEN LAMBDA SENSOR CIVIC TYPE R

HONDA Primary O2 Lambda Sensor. Often termed air-fuel ratio sensor these can deteriorate causing your ECU to throw a code. A failing sensor can result in poor fuel consumption. Genuine Honda sensors are the best available. Maintain your car just as Honda intended - they are a simple plug and play installation.
 
Part number 36531-PRA-G01 => EP3
Part number 36531-RSP-E02 => FN2