Audi A6 Oxygen Sensor 06E906265C Universal Replacement 0258017030/1K0998262N

This oxygen sensor is designed for 2005-2011 Audi A6 (C6 platform) 3.0L, 3.2L and 4.2L gasoline engines, and is also compatible with 2007-2012 Audi Q7 and VW Touareg with the same displacement. It monitors exhaust oxygen content and feeds the ECU to adjust the air-fuel ratio for efficient combustion and reduced emissions. OEM number 06E906265C, interchangeable with 0258017030 and 1K0998262N for inventory cross-check. Replacement difficulty is medium; use a professional oxygen sensor socket to avoid thread damage; apply anti-seize before installation and ensure the engine is cool. This is a universal replacement with lower cost and stable performance, suitable for bulk procurement to reduce maintenance costs, especially for high-mileage vehicles.