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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Perfect for custom installations and performance builds
Nissan Part Number: B3G31-4M50B
8946534150
Consider replacing all six spark plugs at the same time for optimal performance
Contact our expert team for advice specific to your Volkswagen or Audi vehicle
22311 Denso Lambda Sensor/Air Fuel Ratio Sensor 439000-0720 RWF-349 Perfect for custom installations andGenuine Denso Air Fuel Ratio Sensor 439000 0720 Ensure optimal engine performance and emissions control with the Denso Air Fuel Ratio Sensor 439000 0720 (SKU 22 311). This premium OEM quality air fuel ratio sensor is engineered by Denso to accurately monitor exhaust oxygen levels, enabling the ECU to maintain optimal air fuel ratios, reduce emissions, and maximize fuel economy for Mazda and Subaru applications. CLICK HERE TO CHECK IF THIS FITS YOUR