Nitrogen Oxide (NOx) Sensor: Optimize Your Truck's Emission Control Enhance your truck's performance and emission control with our high-quality Nitrogen Oxide (NOx) Sensor. Designed to deliver precise measurements, this sensor ensures your vehicle runs efficiently and safely. Fitment: This NOx sensor is a perfect replacement for Mack MP8 engines, specifically designed for POST-CAT and ENG-VE13 EM-USA17 EAS-SD (2-BOX) configurations. It is also compatible with D11, D13, and D16 truck models, ensuring broad applicability across various vehicles. Part Number: The OEM part numbers for reference include 22303391, 22014032, 21636088, 21567763, 21346963, 21479637, 21069361, 21302276, and 20789066. Verify these numbers to ensure accurate fitment and compatibility with your current system. Function: This nitrogen oxide sensor is essential for measuring the NOx concentration in your engine's exhaust gases. By providing this critical data, the sensor helps ensure driving safety and optimal engine performance while reducing harmful emissions. High Accuracy: Designed as an excellent replacement for your old nitrogen sensor, this NOx sensor offers highly accurate detection data. Its precision ensures your vehicle's emission system operates at peak efficiency, providing reliable performance. Premium Material: Constructed from high-strength ABS and metal alloy materials, this nitrogen oxide sensor is both durable and sturdy. Its robust build ensures a long service life, making it a reliable choice for your truck's emission control needs. Choose our Nitrogen Oxide Sensor to upgrade your truck's emission system with accuracy and durability. Order now to experience enhanced performance, safety, and environmental compliance.