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 25582 oxygen sensor is engineered to deliver precise air-fuel mixture feedback for optimal engine performance and emissions control. Designed specifically for models such as the Saab 9000, Saab 900, and Porsche 911 from the mid-1990s, this sensor provides reliable operation across various vehicle applications. Incorporating advanced ceramic sensor technology, the sensor features a 3-stage contaminant-resistant plasma jet and deposit trap overcoat that protect against element poisoning, ensuring longevity and consistent performance. This critical component interfaces seamlessly with your vehicle's onboard diagnostic system, maintaining proper fuel delivery and catalytic converter efficiency to meet emission standards. Regular use of this OEM-quality sensor helps maximize fuel economy, reduce harmful emissions, and prevent potential engine issues. Trust NGK’s expertise in sensor manufacturing and OE application technology to keep your vehicle running smoothly and efficiently. The Part 25582 oxygen sensor is a direct replacement, ensuring a perfect fit and straightforward installation for compatible Saab and Porsche models. As a product from a renowned brand, it emphasizes durability, resistance to failure, and reliable performance under various driving conditions. This sensor is essential for maintaining your vehicle’s emissions compliance and engine health, offering peace of mind with each mile driven.

Features: