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 Mercury Villager 1996-1997 Direct Fit Oxygen Sensor (Part Number 22521) is designed to ensure optimal engine performance and emissions control for compatible vehicles. This sensor plays a vital role in your vehicle's on-board diagnostic system by providing real-time feedback to the ECU to maintain the ideal air-fuel mixture. Proper functioning of this sensor contributes to improved fuel efficiency, reduced emissions, and smooth engine operation, making it an essential component for vehicle maintenance and compliance.
Constructed with advanced ceramic sensor technology, the NGK oxygen sensor features a 3-stage contaminant-resistant plasma jet and deposit trap overcoat, which helps prevent sensor poisoning and extends its lifespan. Its precise fit and durable design ensure reliable performance and ease of installation, aligning perfectly with the original equipment specifications for models such as the 1996 and 1997 Mercury Villager and Nissan Quest. This direct fit sensor is engineered to seamlessly integrate into your vehicle's exhaust system, providing consistent and accurate readings necessary for optimal engine management.
Manufactured under strict quality controls, the NGK oxygen sensor is built to withstand harsh operating conditions and resist failure. Its compatibility with a range of vehicles from the mid-1990s ensures a straightforward replacement process, helping you maintain your vehicle's efficiency and emissions standards. Trust NGK, a leader in automotive sensor technology, to deliver reliable performance and full application support for your vehicle's needs.

Features: