NOx Sensor Cummins 4326861 | 4307494, 4326469, A045S155

High-Performance Cummins 4326861 NOx Sensor

The Cummins 4326861 Nitrogen Oxide (NOx) Sensor is a critical component designed to monitor and regulate emissions in heavy-duty commercial vehicles. Positioned strategically within the exhaust aftertreatment system, this sensor provides real-time data on NOx concentrations to the Engine Control Unit (ECU). This allows the ECU to make precise adjustments to fuel injection, timing, and Diesel Exhaust Fluid (DEF) dosing, ensuring your engine remains compliant with strict environmental standards while maintaining optimal performance. This part is also available under the numbers: 4307494, 4326469, and A045S155.

Key Features and Benefits

• Accurate Emissions Monitoring: Delivers precise, real-time NOx concentration data to optimize the Selective Catalytic Reduction (SCR) system.
• Robust Construction: Engineered with high-quality materials to withstand extreme exhaust temperatures, vibrations, and harsh operating conditions.
• Enhanced Efficiency: Helps maintain optimal fuel efficiency and engine performance by enabling precise ECU adjustments.
• Regulatory Compliance: Ensures your vehicle meets environmental standards and emissions regulations, preventing costly downtime and fines.

Engine Compatibility and Fitment

This NOx sensor is designed for seamless integration with a variety of Cummins engines, including:

• F3.8 CM2350 Series
• ISB6.7 CM2350 B101
• QSF3.8 CM2350 F107
• X12 CM2350 X119B
• X15 CM2350 Series (including X15 CM2350 X116B and X15 CM2350 X123B)

Product Specifications

• Weight: 0.81 lb
• Package Dimensions: 6.75 x 6.05 x 3.0 inches
• Notes: CES P/N: A045S155

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 4326861
• 4307494
• 4326469
• A045S155