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 24840 oxygen sensor is a precise, direct-fit replacement designed specifically for select Lexus models including GS430, GS450h, and IS250 from 2007 to 2011. Engineered for optimal performance, this sensor plays a vital role in your vehicle’s on-board diagnostic system by providing real-time feedback to the engine control unit (ECU). This feedback helps maintain the ideal air-fuel mixture, which maximizes fuel efficiency, enhances engine performance, and reduces harmful emissions. Designed with advanced ceramic sensor elements, the NGK sensor features a three-stage contaminant-resistant plasma jet and deposit trap overcoat that offers superior protection against poisoning and ensures long-lasting accuracy. The robust construction and innovative coating make this sensor resistant to harsh contaminants, helping prevent premature failure and maintain consistent operation over time. Installing this OEM-quality sensor ensures your vehicle remains compliant with emissions standards and operates at peak efficiency without the need for expensive repairs or diagnostics. This sensor is suitable for a range of Lexus models, providing a reliable solution for replacing worn or faulty oxygen sensors and supporting your vehicle’s emission control system. Trust the NGK brand’s expertise and advanced technology to keep your vehicle running smoothly and efficiently. Whether for routine maintenance or troubleshooting, this oxygen sensor delivers the performance and durability expected from a leading automotive sensor manufacturer.

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