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Automotive NOx Sensors Market size was valued at US$ 1.84 billion in 2024 and is projected to reach US$ 3.47 billion by 2032, at a CAGR of 7.4% during the forecast period 2025-2032









• The global Automotive NOx Sensors Market size was valued at US$ 1.84 billion in 2024 and is projected to reach US$ 3.47 billion by 2032, at a CAGR of 7.4% during the forecast period 2025-2032.
• Automotive NOx sensors are critical components in modern vehicle emission control systems, particularly for diesel engines. These sensors measure nitrogen oxide levels in exhaust gases, enabling vehicles to comply with increasingly stringent environmental regulations such as Euro 6 and EPA Tier 3 standards. The technology utilizes electrochemical sensing elements that operate under hightemperature conditions, typically between 600-800°C.
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• Five-Needle Sensors • Four-Needle Sensors • Wide-Band Sensors • Planar Sensors • Others









Heavy-Duty Vehicles
Off-Highway Vehicles

















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• Electrochemical Sensors • Optical Sensors • Semiconductor Sensors • Infrared Sensors









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• Continental AG (Germany)
• Bosch Mobility Solutions (Germany)
• Dorman Products (U.S.)
• ACDelco (U.S.)
• NGK Spark Plug Co., Ltd. (Japan)
• Delphi Technologies (U.K.)
• Faurecia (France)
• Tenneco Inc. (U.S.)
• Hitachi Automotive Systems (Japan)

























