ACDelco 12741484 Nitrogen Oxides (NOx) Sensor

The ACDelco 12741484 Nitrogen Oxides (NOx) Sensor is a genuine GM emission control component designed to monitor nitrogen oxide levels in diesel exhaust systems. This sensor plays a critical role in modern diesel emissions systems by measuring NOx concentrations and sending data to the engine control module to optimize selective catalytic reduction (SCR) system performance.

Key Features:

• Direct replacement for GM original equipment NOx sensor
• Precision-engineered to monitor nitrogen oxide emissions accurately
• Ensures proper SCR system operation and DEF (diesel exhaust fluid) dosing
• Helps maintain compliance with emissions standards
• Manufactured to ACDelco's OE specifications for reliable performance
• Essential for preventing check engine lights related to NOx sensor malfunction

This NOx sensor is commonly used in GM diesel vehicles equipped with selective catalytic reduction systems. The sensor continuously monitors exhaust gas composition to help the ECM maintain optimal emissions performance and fuel efficiency. Installation requires proper diagnostic procedures to ensure correct sensor placement and calibration.