O2 Oxygen Sensor 2Piece Upstream 5 Wire Air Fuel Ratio O2 Oxygen Lambda Sensor FR3Z-9F472-A For For EDGE For ESCAPE For EXPLORER For F150 For FOCUS For LINCOLN MKC

OEM NO.:FR3Z-9F472-A E1GA-9Y460-GA Designed to improve fuel economy while reducing harmful emissions Sensor is a device that is used to analyse the emissions of a vehicle and determine the amount of nitrogen oxides being produced The function of the oxygen sensor is to monitor the mixture at all times to keep the engine in the best mixture combustion state Oxygen Sensor is designed to improve fuel economy while reducing harmful emissions. Helps the engine run efficiently in air-gas ratio. Improve engine response and performance.