Audi Q7 O2 / Oxygen Sensor - Pre Cat 4L0906262L

This authentic OEM Oxygen Sensor (Pre-Catalytic Converter) is a critical component for all 2011-2015 Audi Q7 models equipped with the 3.0L V6 gas engine. Specifically located on the front left side of the vehicle, this sensor plays a vital role in monitoring the exhaust gases before they enter the catalytic converter, ensuring optimal engine performance and emissions control. Common symptoms requiring replacement include reduced fuel efficiency, increased exhaust emissions, or a check engine light indicating sensor malfunction. OEM part number 4L0906262L, also referred to as the Front Oxygen Sensor or Ft Oxygen Sensor, directly interfaces with the engine control unit (ECU), contributing to precise air-fuel mixture regulation. Compatible with various trims including Premium, Premium Plus, and Prestige, this genuine part ensures reliable functionality and seamless integration. For optimal performance, consider replacing with recognized alternatives such as 7P0253209G or 7P0253115.