The Infiniti QX4 Oxygen Sensor by NGK is a direct fit solution for models from 2001 to 2003. As a critical component of your vehicle's on-board diagnostic system, this sensor ensures optimal engine performance and efficiency, providing essential feedback for maintaining precise control over your vehicle's air-fuel ratio.

This oxygen sensor, crafted by NTK—the world's largest supplier and manufacturer of OEM oxygen sensors—features advanced ceramic sensor technology. The sensor is designed to provide excellent performance, improve resistance to failure, and actively reduce harmful emissions by sending real-time feedback to your vehicle's ECU. Essential for maintaining fuel efficiency, it also plays a significant role in alerting the OBDII system to any potential issues, such as fuel delivery problems or catalytic converter inefficiencies. NTK's meticulous process control, from raw material to finished product, ensures reliability and durability. This ensures that every sensor meets strict OE standards, guaranteeing compatibility and exceptional functionality with your Infiniti QX4.

Features

• Direct fit for 2001-2003 Infiniti QX4
• Advanced ceramic sensor element for enhanced durability
• Provides continuous closed-loop feedback to ECU
• Helps maintain optimal air-fuel ratio
• Reduces harmful emissions and maximizes fuel efficiency

For automotive enthusiasts seeking to maintain or enhance their vehicle's performance, the NGK direct fit oxygen sensor offers a perfect blend of innovation and reliability. Should you have any questions or need further assistance, feel free to reach out to us directly. We boast two locations where we provide installation and customization services: one in Austin, Texas—reachable at 512-982-9393, and another in Los Angeles, California area—call us at 562-981-6800. Additionally, if you're considering purchasing multiple items, please contact us for possible shipping discounts. Remember, we install on premises at both of our locations for added convenience.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov