4326871
Nitrogen Oxide Sensor
Cummins®

The Nitrogen Oxide Sensor 4326871, manufactured by Cummins, is a component designed to monitor and control nitrogen oxide (NOx) emissions in commercial trucks. Cummins, a leading provider of diesel engines and related technologies, has developed this sensor to enhance emissions control, ensuring compliance with stringent environmental regulations while maintaining engine performance ¹.

Basic Concepts of Nitrogen Oxide Sensors

Nitrogen oxides (NOx) are a group of gases formed during the combustion process in diesel engines. These gases contribute to air pollution and can have adverse effects on both the environment and human health. Nitrogen oxide sensors play a role in emissions control systems by measuring the levels of NOx in the exhaust. They provide real-time data to the engine control unit (ECU), which uses this information to adjust engine parameters and reduce NOx emissions ².

Purpose of the 4326871 Nitrogen Oxide Sensor

The 4326871 Nitrogen Oxide Sensor is designed to measure the concentration of nitrogen oxides in a truck’s exhaust. By providing accurate and timely data to the ECU, the sensor enables the engine to operate more efficiently and within regulatory limits. This sensor is integral to the emissions control system, helping to ensure that the truck meets environmental standards while optimizing engine performance ³.

Key Features

The 4326871 Nitrogen Oxide Sensor features a robust design that includes high-quality construction materials to withstand the harsh conditions of a diesel engine environment. The sensor utilizes advanced technology to deliver precise measurements, ensuring reliable performance. Its unique attributes include enhanced durability, accurate sensing capabilities, and compatibility with various engine management systems ⁴.

Benefits

Using the 4326871 Nitrogen Oxide Sensor offers several benefits. It contributes to improved emissions control by providing accurate NOx measurements, which allows the ECU to make necessary adjustments. This results in enhanced engine performance and efficiency. Additionally, the sensor helps fleet operators comply with emissions regulations, potentially leading to cost savings by avoiding fines and reducing the need for frequent maintenance ⁵.

Installation and Integration

Proper installation of the 4326871 Nitrogen Oxide Sensor is vital for its effective operation. It should be integrated into the truck’s emissions control system following manufacturer guidelines. This process may involve specific preparations, tools, and procedures to ensure the sensor is correctly positioned and connected to the ECU. Careful attention to these steps will help maintain the sensor’s accuracy and reliability ⁶.

Troubleshooting and Maintenance

Common issues with the 4326871 Nitrogen Oxide Sensor may include inaccurate readings or sensor malfunctions. Troubleshooting these problems often involves checking the sensor’s connections, ensuring it is properly installed, and verifying that the ECU is receiving accurate data. Regular maintenance, such as cleaning the sensor and inspecting its components, can help ensure optimal performance and longevity ⁷.

Regulatory Compliance

The 4326871 Nitrogen Oxide Sensor assists trucks in complying with emissions regulations set by agencies such as the Environmental Protection Agency (EPA) and international standards. By accurately monitoring NOx levels, the sensor helps ensure that trucks meet these regulatory requirements, contributing to environmental protection and public health ⁸.

Cummins Overview

Cummins is a global leader in the design, manufacture, and distribution of diesel and alternative fuel engines, as well as related technologies. With a history of innovation and a commitment to sustainability, Cummins provides a wide range of products and services to the commercial truck industry. The company’s focus on advancing engine technology and emissions control reflects its dedication to environmental responsibility and customer satisfaction ⁹.

Nitrogen Oxide Sensor Compatibility with Cummins Engines

This part, part number 4326871, manufactured by Cummins, is designed to integrate seamlessly with a range of Cummins engines. This sensor plays a role in monitoring and managing nitrogen oxide emissions, ensuring compliance with environmental regulations and enhancing engine performance.

ISF2.8 CM2220 F129 and ISF3.8 CM2220 AN

The ISF2.8 CM2220 F129 and ISF3.8 CM2220 AN engines are part of Cummins’ lineup that benefits from the integration of the 4326871 Nitrogen Oxide Sensor. These engines are known for their robust performance and reliability, and the sensor’s compatibility ensures that they maintain optimal efficiency while reducing harmful emissions. The sensor’s placement and connection process are standardized across these models, facilitating easy installation and maintenance.

ISG12 CM2880 G107

The ISG12 CM2880 G107 engine also supports the use of the 4326871 Nitrogen Oxide Sensor. This engine, like its counterparts, is engineered to deliver high power output and fuel efficiency. The sensor’s integration into this engine model is designed to provide precise monitoring of nitrogen oxide levels, contributing to the engine’s overall environmental friendliness and performance stability. The installation process for this engine is consistent with the other models, ensuring a straightforward and reliable fit.

This part is an integral component in the effective operation of aftertreatment systems in modern engine designs. Positioned strategically within the exhaust stream, this sensor plays a role in monitoring the levels of nitrogen oxides (NOx) emitted by the engine.

The sensor’s primary function is to provide real-time data on NOx concentrations to the engine control unit (ECU). This data is used by the ECU to make precise adjustments to the fuel injection timing, air-fuel ratio, and other parameters that influence NOx production. By doing so, the sensor helps maintain the efficiency of the aftertreatment device, which is designed to reduce harmful emissions to meet stringent environmental regulations.

In conjunction with the aftertreatment device, typically a Selective Catalytic Reduction (SCR) system or a Diesel Particulate Filter (DPF), the Nitrogen Oxide Sensor ensures that the aftertreatment processes are optimized. The sensor’s feedback loop allows for dynamic adjustments, enhancing the overall performance and longevity of the aftertreatment device. This synergy between the sensor and the aftertreatment device is vital for achieving the desired emission reduction targets while maintaining engine performance and fuel efficiency.

Conclusion

The 4326871 Nitrogen Oxide Sensor is a critical component in the emissions control system of commercial trucks. By accurately monitoring NOx levels and providing real-time data to the ECU, this Cummins part ensures that engines operate efficiently and within regulatory limits. Its robust design, compatibility with various Cummins engines, and the benefits it offers in terms of emissions control and regulatory compliance make it an essential part of modern diesel engine technology.