NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology. NTK is constantly improving sensor designs to provide excellent performance and improve resistance to failure. NTK works with their OEM manufacturers through each phase of development from concept to production.

ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning

The NGK Part Number 25682 oxygen sensor is a high-quality replacement designed to ensure optimal engine performance and fuel efficiency for select Audi S6 and Porsche Cayenne models. Engineered with an advanced ceramic sensor element, this sensor features a three-stage contaminant-resistant plasma jet and deposit trap overcoat that protects against element poisoning, extending sensor lifespan and maintaining accuracy over time. As a direct fit replacement, it simplifies installation and ensures precise compatibility with your vehicle's existing systems.
This sensor plays a critical role in your vehicle’s on-board diagnostic system by providing continuous closed-loop feedback to the ECU, helping to regulate the air-fuel mixture for efficient combustion. Proper operation of this sensor not only maximizes fuel economy but also reduces harmful emissions and supports catalytic converter efficiency.
Crafted by NGK, a trusted name in automotive sensors and OE applications, this sensor incorporates state-of-the-art technology and rigorous quality control from raw material to finished product, ensuring reliable performance. Its contaminant-resistant coating offers resistance to poisoning and failure, making it a dependable choice for maintaining your vehicle’s emission standards and engine health. Suitable for a range of model years from 2007 through 2016, this oxygen sensor is an essential component for maintaining the vehicle’s emissions compliance and engine responsiveness. Trust NGK for advanced sensor technology and full market support to keep your vehicle running smoothly.

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