NGK Audi A8 Quattro 2009-2005 Direct Fit Oxygen Sensor

This is a direct fit oxygen sensor from NGK for your 2005-2009 Audi A8 Quattro. Oxygen sensors are a key part of your car's onboard diagnostic system. They help keep your engine running at its best, which means better fuel economy and fewer harmful emissions. This sensor constantly sends information back to your car's computer to help manage the air-fuel mixture and alert you if there are issues with the fuel system or the catalytic converter.

NGK, a major supplier of original equipment oxygen sensors, uses advanced technology in their ceramic sensor elements. This particular sensor features a 3-stage design that includes a plasma jet and a deposit trap overcoat. This construction helps protect the sensor element from contaminants that can cause it to fail prematurely, ensuring it works reliably over time.