GM Genuine Parts Nitrogen Oxide (NOx) Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. NOx (Nitrogen Oxide) Sensors are exhaust gas sensors that detect the nitrogen oxide (NOx) content of the exhaust from diesel engines. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Helps provide precise measurement of the exhaust NOx content
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies