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 Infiniti G20 2002 Direct Fit Oxygen Sensor is an essential component designed to optimize your vehicle's engine performance and fuel efficiency. Crafted with advanced ceramic sensor technology, this OEM replacement sensor provides reliable, long-lasting performance by resisting contaminants and preventing element poisoning through its innovative 3-stage plasma jet and deposit trap overcoat. This ensures consistent, accurate feedback to your vehicle's ECU, maintaining the ideal air-fuel mixture and supporting emissions control.

Manufactured with precision and adherence to original equipment specifications, this sensor fits several Nissan and Infiniti models, including the 2002-2003 Nissan Maxima, 2002 Infiniti G20, and 2002 Nissan Frontier. Its direct fit design simplifies installation, allowing for a seamless replacement process that restores your vehicle’s diagnostic system and engine efficiency. The sensor is constructed to meet or exceed OE standards, providing confidence in durability and performance.

This oxygen sensor is suitable for use in environments where air freight is permitted and complies with Prop 65 requirements. It features a robust ceramic element protected by contaminant-resistant coatings, ensuring resistance to poisoning and extended operational life. Whether you are performing routine maintenance or replacing a faulty sensor, the NGK Infiniti G20 2002 oxygen sensor offers a dependable solution to enhance your vehicle's emissions system and fuel economy, delivering peace of mind on the road.

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