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 #23553 oxygen sensor is a high-performance, direct-fit replacement designed specifically for 1990 Dodge Monaco and compatible Jeep models. As a critical component of your vehicle’s emissions control system, this sensor provides precise feedback to the engine control unit (ECU), ensuring optimal air-fuel mixture for efficient combustion. Proper functioning of this sensor not only improves engine performance but also maximizes fuel efficiency and reduces harmful emissions, contributing to a cleaner environment and regulatory compliance.

Constructed with advanced ceramic sensor elements, the NGK oxygen sensor features a 3-stage contaminant-resistant plasma jet and deposit trap overcoat. This innovative design protects against element poisoning caused by contaminants in the exhaust gases, extending the sensor’s lifespan and maintaining consistent performance over time. The sensor's durable construction ensures reliable operation in the demanding conditions typical of automotive exhaust systems, making it suitable for both daily driving and more rigorous use.

Designed for easy installation as a direct-fit replacement, the NGK oxygen sensor matches the specifications of the original equipment, ensuring seamless integration with your vehicle’s existing systems. It complies with Prop 65 regulations and is engineered to support OE application standards, providing peace of mind with high-quality manufacturing and precise fitment. Whether you're performing routine maintenance or addressing sensor-related issues, this sensor offers a dependable solution to keep your vehicle running efficiently and emissions-compliant. Trust NGK for quality automotive sensors that are engineered for durability and performance.

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