2894940
Nitrogen Oxide Sensor
Cummins®

The Nitrogen Oxide Sensor 2894940, manufactured by Cummins, is a specialized component designed to monitor and regulate nitrogen oxide (NOx) emissions in commercial trucks. Cummins, a well-established name in the automotive industry, is renowned for its commitment to innovation and quality. This sensor plays a role in ensuring that commercial trucks operate efficiently while adhering to stringent environmental regulations.

Basic Concepts of Nitrogen Oxide Sensors

Nitrogen oxide sensors are devices that measure the concentration of nitrogen oxides in the exhaust gases of an engine. These sensors function by detecting the levels of NOx and providing feedback to the engine control unit (ECU). This feedback allows the ECU to adjust the engine’s operation to maintain optimal emission levels. The role of nitrogen oxide sensors in monitoring emissions is vital for reducing the environmental impact of commercial vehicles ¹.

Purpose of the 2894940 Nitrogen Oxide Sensor

The 2894940 Nitrogen Oxide Sensor is integral to the emission control system of a truck. It accurately measures the levels of nitrogen oxides in the exhaust, providing real-time data to the ECU. This data enables the ECU to make necessary adjustments to the engine’s combustion process, ensuring that emissions remain within acceptable limits. By doing so, the sensor contributes to the overall efficiency and environmental compliance of the truck ².

Key Features

The 2894940 Nitrogen Oxide Sensor boasts several key features that enhance its performance and reliability. Its design incorporates advanced materials that ensure durability and accuracy under varying operating conditions. Technological advancements in sensor technology allow for precise measurement and quick response times, making it an effective component in modern emission control systems ³.

Benefits

The implementation of the 2894940 Nitrogen Oxide Sensor offers several benefits. It enhances emission control by providing accurate and timely data to the ECU, leading to more efficient engine operation. Additionally, it contributes to improved engine performance by ensuring that the combustion process is optimized. Compliance with environmental regulations is another significant benefit, as the sensor helps trucks meet stringent emission standards.

Installation and Integration

Installing the 2894940 Nitrogen Oxide Sensor involves integrating it into the truck’s emission system. This process requires careful attention to ensure that the sensor is correctly positioned and connected to the ECU. Specific requirements may include ensuring proper electrical connections and securing the sensor in place to withstand the operating environment. Following manufacturer guidelines during installation is crucial for optimal performance.

Troubleshooting and Maintenance

Routine maintenance and troubleshooting are important for ensuring the 2894940 Nitrogen Oxide Sensor operates effectively. Common issues may include sensor fouling or electrical connection problems. Regular inspection and cleaning can prevent many of these issues. Additionally, verifying the sensor’s calibration and ensuring it is functioning within specified parameters are important maintenance practices.

Regulatory Compliance

The 2894940 Nitrogen Oxide Sensor plays a role in helping trucks meet emission standards and regulatory requirements. By accurately monitoring and reporting NOx levels, it ensures that trucks comply with environmental regulations. This sensor may also contribute to obtaining relevant certifications or approvals, demonstrating a commitment to environmental responsibility.

Cummins Overview

Cummins is a leading manufacturer in the automotive industry, with a rich history of innovation and quality. The company is known for its commitment to developing advanced technologies that enhance the performance and efficiency of commercial vehicles. Cummins’ reputation in the industry is built on its dedication to providing reliable and high-quality components, including the 2894940 Nitrogen Oxide Sensor.

Cummins Nitrogen Oxide Sensor 2894940 Compatibility

The Cummins Nitrogen Oxide Sensor part number 2894940 is designed to fit a variety of Cummins engines, ensuring optimal performance and compliance with emissions regulations. This sensor is integral to the engine’s exhaust aftertreatment system, monitoring and reporting nitrogen oxide (NOx) levels to the engine control unit (ECU). Below is a detailed overview of the engines compatible with this sensor, grouped by series and model for clarity.

ISB/ISD Series

• ISB/ISD 4.5 CM2150 B119
• ISB/ISD 6.7 CM2150 SN
• ISB 3.9 CM2220 B107
• ISB 4.5 CM2350 B104
• ISL 9 CM2150 SN
• ISL 9 CM2250
• ISL 9.5 CM2880 L138
• ISZ 13 CM2150 Z105

These engines, part of the ISB/ISD and ISL series, are commonly used in a range of applications from heavy-duty trucks to industrial machinery. The 2894940 sensor is engineered to integrate seamlessly with the exhaust systems of these engines, providing accurate NOx readings necessary for maintaining efficient aftertreatment operations.

ISBE Series

• ISBE CM2150
• ISBE 4 CM850

The ISBE series engines, including both the ISBE CM2150 and ISBE 4 CM850, are designed for on-highway applications. The 2894940 sensor ensures these engines meet stringent emissions standards by precisely monitoring NOx levels.

ISF Series

• ISF 2.8 CM2220 F129
• ISF 3.8 CM2220 AN

The ISF series engines, such as the ISF 2.8 CM2220 F129 and ISF 3.8 CM2220 AN, are typically used in agricultural and construction equipment. The 2894940 sensor is compatible with these engines, ensuring they operate within regulatory limits for NOx emissions.

ISG Series

• ISG 11 CM2880 G108
• ISG 12 CM2880 G107

The ISG series engines, including the ISG 11 CM2880 G108 and ISG 12 CM2880 G107, are often found in marine and power generation applications. The 2894940 sensor is designed to fit these engines, providing reliable NOx monitoring for these critical applications.

ISX Series

• ISX 12/ISX 11.9 CM2250
• ISX 15 CM2250
• ISX 15 CM2250 SN

The ISX series engines, such as the ISX 12/ISX 11.9 CM2250, ISX 15 CM2250, and ISX 15 CM2250 SN, are high-performance engines used in heavy-duty trucks and construction equipment. The 2894940 sensor is compatible with these engines, ensuring they maintain optimal NOx levels and comply with emissions regulations.

ISM Series

• ISM 11 CM876 SN

The ISM 11 CM876 SN engine, part of the ISM series, is used in on-highway applications. The 2894940 sensor is designed to fit this engine, ensuring it meets NOx emission standards.

ISC Series

• ISC 8.3 CM2250

The ISC 8.3 CM2250 engine, part of the ISC series, is used in various industrial applications. The 2894940 sensor is compatible with this engine, providing accurate NOx monitoring to ensure regulatory compliance.

By ensuring compatibility with a wide range of Cummins engines, the 2894940 Nitrogen Oxide Sensor plays a role in maintaining the performance and efficiency of these engines while adhering to environmental regulations.

Role of Part 2894940 Nitrogen Oxide Sensor in Aftertreatment Systems

The integration of part 2894940, the Nitrogen Oxide Sensor, into aftertreatment arrangements is essential for maintaining efficient and compliant engine operations. This sensor is strategically positioned within the aftertreatment device to monitor the levels of nitrogen oxides (NOx) emitted by the engine.

In the aftertreatment system, the sensor works in conjunction with various components to ensure that emissions are within regulatory limits. It provides real-time data on NOx concentrations, which is vital for the proper functioning of the system. The sensor’s readings are used by the engine control unit (ECU) to adjust the fuel injection timing and the operation of the selective catalytic reduction (SCR) system, thereby optimizing the reduction of NOx emissions.

The aftertreatment arrangement relies on the accurate data from the Nitrogen Oxide Sensor to maintain the efficiency of the diesel particulate filter (DPF) and the diesel oxidation catalyst (DOC). By continuously monitoring NOx levels, the sensor helps in preventing the accumulation of particulate matter and ensures that the aftertreatment system operates within its designed parameters.

In summary, part 2894940 plays a role in the aftertreatment system by providing data that enables the system to effectively reduce harmful emissions, ensuring both environmental compliance and engine performance.

Conclusion

The 2894940 Nitrogen Oxide Sensor by Cummins is a critical component in the emission control systems of commercial trucks. Its accurate measurement of NOx levels ensures that engines operate efficiently and comply with environmental regulations. The sensor’s integration into aftertreatment systems enhances the performance of components like the DPF and DOC, contributing to reduced emissions and improved engine efficiency. Regular maintenance and proper installation are essential for the optimal functioning of this Cummins part, ensuring long-term reliability and compliance with emission standards.