4326873
Nitrogen Oxide Sensor
Cummins®

Introduction

The Cummins 4326873 Nitrogen Oxide Sensor is designed to monitor nitrogen oxide (NOx) emissions in commercial trucks, ensuring compliance with emissions regulations and contributing to environmental sustainability.

Basic Concepts of Nitrogen Oxide Sensors

Nitrogen oxides (NOx) are gases formed during diesel engine combustion, contributing to air pollution. Nitrogen oxide sensors measure NOx concentration in exhaust gases, crucial for engine efficiency and regulatory compliance ¹.

Function and Operation

This part is positioned in the truck’s exhaust system, using electrochemical technology to measure NOx levels. It generates an electrical signal proportional to NOx concentration, transmitted to the engine management system for performance and emissions control adjustments ².

Purpose

The sensor ensures compliance with emissions regulations by providing real-time NOx data, enabling engine management system adjustments. It enhances engine performance and supports environmental sustainability by reducing the environmental impact of commercial trucking ³.

Key Features

This Cummins part is designed for durability and accuracy, constructed with high-quality materials to withstand harsh exhaust conditions. It incorporates advanced electrochemical technology for precise NOx measurements, ensuring long-term reliability in commercial truck applications.

Benefits

Using this part offers improved emissions control, enhanced fuel efficiency, and supports a cleaner transportation industry by reducing harmful emissions.

Troubleshooting and Maintenance

Routine maintenance checks are essential for optimal performance. Inspect the sensor for damage or contamination and ensure secure mounting. Addressing common issues promptly maintains sensor effectiveness and regulatory compliance.

Integration with Engine Management Systems

This part integrates with engine management systems to provide real-time NOx data, enabling adjustments to engine parameters for optimized performance and emissions control.

Regulatory Compliance and Emissions Standards

Nitrogen oxide sensors help commercial trucks meet stringent emissions regulations by providing accurate NOx data for necessary adjustments, ensuring operation within permissible limits.

Environmental Impact and Sustainability

By monitoring and controlling NOx levels, this part mitigates air pollution and contributes to a cleaner environment, supporting the industry’s efforts towards environmental sustainability.

Cummins: A Brief Overview

Cummins Inc. is a global leader in diesel and natural gas engines, committed to innovation and sustainability. The company’s advanced engine technologies, including the 4326873 Nitrogen Oxide Sensor, reflect its dedication to sustainable solutions.

Compatibility with Cummins Engines

This part is compatible with various Cummins engines, ensuring compliance with environmental regulations and optimizing engine performance across applications.

F3.8 CM2350 F128C

This sensor enhances combustion efficiency and reduces emissions in the F3.8 CM2350 F128C engine, ensuring regulatory compliance.

ISB (Chrysler), ISB6.7 CM2350 B101

For ISB engines, the sensor provides real-time data for precise combustion adjustments, minimizing NOx output.

QSF3.8 CM2350 F107, QSG12/X12 CM2350 G110

These engines rely on the sensor to achieve emissions standards, critical in applications requiring NOx control.

QSX15 CM2350 X105, X12 CM2350 X119B, X15 CM2350 X123B

Larger engines benefit from the sensor’s precise monitoring and control, ensuring compliance and optimal performance.

Role in Engine Systems

This part is integral in modern engine systems, particularly with aftertreatment devices, ensuring compliance with emissions regulations and optimizing engine performance.

Integration with Aftertreatment Devices

The sensor works with aftertreatment systems to ensure emissions compliance, positioned upstream and downstream for comprehensive monitoring.

Interaction with Decomposition Reactor

The sensor provides continuous feedback on NOx levels, enabling efficient control of the decomposition reactor’s operation.

Use in Sensor Kits

This part is included in sensor kits for comprehensive engine diagnostics, ensuring all critical parameters are within specified limits.

Importance in Emission Control

The sensor is vital for accurate emission control, enabling the engine control unit to implement strategies that reduce emissions without compromising performance.

Conclusion

The Cummins 4326873 Nitrogen Oxide Sensor is a critical component in modern engine systems, ensuring compliance with emissions regulations, optimizing engine performance, and contributing to environmental sustainability.