ACDelco 19330003 GM Original Equipment Nitrogen Oxide NOx Sensor with Clips

The ACDelco 19330003 is a GM Original Equipment nitrogen oxide (NOx) sensor designed to detect nitrogen oxide content in the exhaust stream of diesel engines. This exhaust gas sensor monitors NOx emissions and sends critical data to the engine control module (ECM), which uses this information to adjust engine parameters and reduce harmful emissions.

Key Features:

• GM Original Equipment quality - manufactured to GM's rigorous standards for fit, form, and function
• Includes mounting clips for complete installation
• Designed for 6.6L diesel engines in Chevrolet and GMC applications
• Rear/downstream sensor position
• Direct replacement for GM part number 19330003
• Helps optimize diesel exhaust fluid (DEF) system performance
• Built to withstand extreme exhaust temperatures and corrosive conditions

Important Installation Note: This sensor requires programming and/or special setup procedures using GM Service Information. Professional installation with proper diagnostic tools is recommended to ensure correct operation.

As a genuine GM Original Equipment part, the ACDelco 19330003 provides the same performance, durability, and service life that came with your vehicle from the factory. This sensor is essential for maintaining proper emissions compliance and optimal diesel engine performance.