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 QX4 2001 Direct Fit Oxygen Sensor (Part Number 24620) is engineered to ensure optimal engine performance and fuel efficiency for your vehicle. Designed with advanced ceramic sensor elements, this oxygen sensor features a 3-stage contaminant-resistant plasma jet and deposit trap overcoat that protects against element poisoning, ensuring long-lasting reliability. Proper functioning of the oxygen sensor is crucial for maintaining the correct air-fuel mixture, reducing emissions, and keeping your vehicle running smoothly. This sensor provides precise feedback to the engine control unit (ECU), enabling efficient fuel management and catalytic converter operation. Trust NGK's expertise in OEM-quality sensors to deliver consistent performance and support your vehicle's diagnostic systems. The sensor's direct fit design guarantees an easy, secure installation without modification, making it an ideal replacement for your 2001 Nissan Pathfinder or Infiniti QX4. Built with quality materials and state-of-the-art manufacturing processes, this sensor helps prevent failure and prolongs service life. It complies with Prop 65 standards, ensuring safety and environmental responsibility. Whether you're replacing a faulty sensor or upgrading your vehicle's emissions system, the NGK Infiniti QX4 2001 oxygen sensor is a dependable choice that maintains your vehicle's efficiency and reduces harmful emissions effectively.

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