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 Toyota Highlander oxygen sensor part number 24549 is designed to ensure optimal engine performance and emissions compliance for select Toyota and Lexus models. Crafted with advanced ceramic sensor elements, this sensor features a 3-stage contaminant-resistant plasma jet and deposit trap overcoat that provides enhanced protection against element poisoning, ensuring durability and long-term reliability. Proper functioning of this sensor is essential for maintaining the correct air-fuel ratio, which maximizes fuel efficiency and reduces harmful emissions in your vehicle.
Built with precision, the NGK sensor seamlessly fits models including 2001 to 2004 Lexus GS300 and 2001 to 2003 Toyota RAV4, offering a straightforward replacement that restores the vehicle's on-board diagnostic system performance. This OEM-grade sensor communicates constant feedback to the engine control unit (ECU), helping to detect and alert for potential issues with fuel delivery or catalytic converter functionality. Its design and manufacturing process adhere to strict quality standards, making it a reliable choice for maintaining your vehicle’s emissions compliance and engine health.
Trust the expertise of NGK, a leading brand in automotive sensors, to deliver high-quality components that meet or exceed OE specifications. The sensor's robust construction and contaminant-resistant features contribute to consistent operation even in challenging driving conditions, ensuring your vehicle remains efficient and emissions-compliant over time. Easy to install and backed by the brand's reputation for reliability, this oxygen sensor is an essential part of your vehicle's emissions control system, helping you stay compliant with environmental regulations and maintain optimal engine performance.

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