ACDelco 55515865 GM Original Equipment Nitrogen Oxide NOx Sensor

The ACDelco 55515865 is a GM Original Equipment nitrogen oxide (NOx) sensor designed to detect the nitrogen oxide content in exhaust gases from diesel engines. This critical emissions sensor sends data to the engine control module (ECM), which uses the information to adjust various engine parameters and help reduce harmful emissions.

Key Features:

• Manufactured to GM specifications for precise fit, performance, and durability
• True OE part designed and engineered to meet rigorous General Motors standards
• GM-recommended replacement for original factory components
• Ensures optimal engine performance and emissions control
• Direct replacement for GM vehicles requiring this specific sensor

This sensor is essential for maintaining proper emissions system function and meeting environmental regulations. As an ACDelco GM Original Equipment part, it delivers the same quality and service life you expect from General Motors.