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 25069 oxygen sensor is an essential component designed for optimal engine performance and fuel efficiency in select Hyundai and Kia models. Crafted with advanced ceramic sensor technology, this sensor provides accurate, real-time feedback to your vehicle’s ECU, helping maintain the ideal air-fuel mixture for smooth operation and reduced emissions. Its direct fit design ensures easy installation and reliable performance, making it a vital replacement part for your vehicle's emissions control system.
The sensor features a proprietary 3-stage contaminant-resistant plasma jet and deposit trap overcoat, which protects against element poisoning and enhances durability. This innovative feature extends the sensor's lifespan, ensuring consistent operation even in challenging driving conditions. Manufactured by NGK, a trusted name in automotive sensors, this part is built to meet or exceed OEM specifications, providing peace of mind and dependable performance.
Compatible with various 2005 and 2006 Hyundai Santa Fe, Tucson, and Kia Sportage models, this sensor is a straightforward replacement that helps maintain compliance with emissions standards. It is not CARB-approved but requires acknowledgment of Prop 65, reflecting adherence to safety and environmental regulations. Whether for routine maintenance or troubleshooting engine performance issues, the NGK Part 25069 oxygen sensor offers a high-quality solution to keep your vehicle running efficiently and cleanly.

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