Dorman 904-6001 Nitrogen Oxide NOx Sensor

The Dorman 904-6001 is a direct replacement nitrogen oxide (NOx) sensor designed to restore proper emissions monitoring functionality to your vehicle's exhaust system. This sensor measures NOx levels in the exhaust stream and sends data to the engine control module (ECM) to help optimize combustion and reduce harmful emissions.

Key Features:

• Direct-fit replacement for failed or faulty NOx sensors
• Helps maintain compliance with emissions standards
• Engineered to meet or exceed OE specifications for reliable performance
• Pre-calibrated and ready to install
• Includes integrated wiring harness connector

NOx sensors are critical components in modern diesel and select gasoline engines equipped with emissions control systems. A malfunctioning NOx sensor can trigger check engine lights, reduce fuel efficiency, and cause the vehicle to fail emissions testing. This Dorman replacement sensor provides a cost-effective solution to restore proper emissions system operation.