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 23139 oxygen sensor is a high-quality replacement designed to ensure your vehicle's engine runs efficiently and emissions are minimized. Crafted with advanced ceramic sensor elements, this sensor features a three-stage contaminant-resistant plasma jet and deposit trap overcoat, which effectively protects against element poisoning and enhances durability. This technology ensures consistent, accurate feedback to your vehicle's ECU, optimizing air-fuel mixture control for improved engine performance and fuel economy.
The NGK oxygen sensor is engineered to meet or exceed OE specifications, providing reliable performance across various vehicle models. It is specifically designed for direct fit installation on select Jeep Wranglers from 2001 to 2003 and Dodge Ram 1500 trucks from 2003. The sensor's robust construction and resistance to contaminants make it an excellent choice for maintaining your vehicle's emission standards and catalytic converter efficiency. Easy to install, this sensor delivers long-lasting durability and precise measurements, helping your vehicle operate at peak performance.
This sensor complies with Prop 65 regulations and requires CARB acknowledgment, ensuring it meets environmental safety standards. It is not approved for use with CARB-compliant vehicles but is suitable for general automotive applications. With a compact size and straightforward installation process, the NGK Part 23139 oxygen sensor is an essential component for maintaining vehicle health and optimizing performance. Trust NGK's reputation for quality and innovation in automotive sensors to keep your vehicle running smoothly and efficiently.

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