Nitrogen Oxide (NOx) Sensor

Description

Walker Products Genuine OE Produced NOx Sensors are built to meet the demands of today’s complex diesel and gasoline emission systems. Engineered and manufactured by Tier 1 OE suppliers, each sensor is produced with the same high-quality materials, exacting standards, and precision technology used by leading vehicle manufacturers around the world. These sensors play a critical role in monitoring and managing nitrogen oxide (NOx) emissions in selective catalytic reduction (SCR) systems. Accurate NOx measurement is essential for proper aftertreatment performance, helping to reduce emissions, protect vital components like diesel particulate filters (DPFs), and ensure long-term engine efficiency. Walker’s NOx Sensors offer a true plug-and-play solution, designed for seamless installation with OE connectors and harness lengths. Fleet-tested and field-proven, our sensors deliver dependable performance in extreme heat, vibration, and corrosive exhaust environments. Whether you're replacing a failed sensor or proactively servicing your emission system, trust Walker Products to provide OE-level quality, fit, and reliability. From daily drivers to Class 8 trucks, Walker NOx Sensors support a wide range of domestic and import applications. With expanding coverage, expert technical support, and a commitment to emission system excellence, Walker Products continues to deliver trusted solutions that keep vehicles running cleaner, longer.

Features & benefits

• Plug-and-Play Installation – Designed for direct OE replacement, reducing install time and eliminating compatibility issues.
• Engineered for Precision – Features advanced sensing technology and exact OE materials for consistent, high-accuracy NOx detection in extreme conditions.
• OE Produced Quality – Built by Tier 1 OE manufacturers to ensure exact fit, function, and long-term durability for superior performance.
• Fleet-Tested Reliability – Proven in demanding commercial and diesel applications for reduced downtime and fewer replacements.
• Accurate Emission Control – Delivers precise NOx readings to help maintain peak SCR system efficiency and lower emissions.
• Direct replacement - this replacement NOx sensor matches the function and performance of the original sensor on specified vehicles
• Restores performance - properly repairs nitrogen oxide detection to comply with regulations
• Application specific - reverse engineered from the original design on certain vehicle years, makes and models
• Trustworthy quality - backed by team of engineers and quality specialists in the United States

Specifications

Warranty

1 Year