5293529
Ammonia Sensor
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,049.95 $1,249.44

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This is an oversize product. Additional shipping fees may apply.

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins Ammonia Detection Sensor, part number 5293529, is a specialized component designed to monitor ammonia levels in the exhaust systems of commercial trucks. Cummins, a well-established name in the commercial truck industry, manufactures this sensor to enhance the efficiency and environmental compliance of truck operations. The sensor’s role is significant in ensuring that trucks meet stringent emission standards and operate efficiently 5.

Basic Concepts of Ammonia Detection Sensors

Ammonia detection sensors are devices that measure the concentration of ammonia in a given environment. They function by utilizing various technologies, such as electrochemical cells or infrared spectroscopy, to detect ammonia molecules 1. These sensors are vital in numerous industrial applications, including the automotive sector, where they help in monitoring and controlling emissions. In the context of commercial trucks, ammonia detection sensors play a role in the Selective Catalytic Reduction (SCR) system, which is designed to reduce nitrogen oxide (NOx) emissions.

Role of the Ammonia Detection Sensor in Truck Operations

The 5293529 Ammonia Detection Sensor is integral to the operation of commercial trucks, particularly within the SCR system. This system works by injecting a urea solution into the exhaust stream, which then decomposes into ammonia. The ammonia reacts with NOx in the presence of a catalyst to form nitrogen and water vapor. The sensor monitors the levels of ammonia in the exhaust, providing feedback to the engine control unit to adjust the urea injection rate as needed. This ensures optimal reduction of NOx emissions while preventing the release of unreacted ammonia into the atmosphere 2.

Key Features of the 5293529 Ammonia Detection Sensor

The 5293529 Ammonia Detection Sensor boasts several key features that make it suitable for heavy-duty truck applications. These include high sensitivity, which allows it to detect even low levels of ammonia; accuracy, ensuring precise measurement and control; and durability, designed to withstand the harsh conditions of truck exhaust systems. Additionally, the sensor is engineered to provide reliable performance over extended periods, minimizing the need for frequent replacements 3.

Benefits of Using the 5293529 Ammonia Detection Sensor

Utilizing the 5293529 Ammonia Detection Sensor offers several benefits. It contributes to improved emission control by ensuring that the SCR system operates within optimal parameters. This leads to enhanced engine performance, as the system can more effectively reduce NOx emissions without compromising engine efficiency. Furthermore, the sensor aids in compliance with environmental regulations, helping truck operators avoid penalties and maintain a positive environmental footprint 4.

Installation and Integration

Proper installation and integration of the 5293529 Ammonia Detection Sensor into the truck’s exhaust system are crucial for its effective operation. The sensor should be installed in a location that allows it to accurately measure ammonia levels, typically downstream of the SCR catalyst. It is important to follow manufacturer guidelines to ensure correct placement and connection. Additionally, any necessary electrical connections must be securely made to prevent issues such as signal interference or sensor malfunction.

Troubleshooting Common Issues

Common issues with the Ammonia Detection Sensor may include inaccurate readings, sensor malfunction, or electrical connection problems. Symptoms of these issues can manifest as increased NOx emissions, engine performance issues, or warning lights on the dashboard. Troubleshooting steps may involve checking electrical connections, calibrating the sensor, or replacing the sensor if it is found to be faulty. Regular monitoring and maintenance can help identify and resolve issues before they lead to significant problems.

Maintenance Tips

Regular maintenance of the 5293529 Ammonia Detection Sensor is important to ensure its longevity and optimal performance. This includes periodic cleaning to remove any buildup that may affect sensor accuracy, as well as calibration to ensure it continues to provide accurate readings. Following the manufacturer’s recommended maintenance schedule and guidelines will help maintain the sensor’s performance and reliability.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing high-quality, reliable, and innovative products. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial truck operations. Cummins’ commitment to sustainability and environmental responsibility is reflected in its development of advanced emission control technologies, such as the 5293529 Ammonia Detection Sensor 5.

Integration of Ammonia Detection Sensor (Part 5293529) in Cummins Engines

The Ammonia Detection Sensor, identified as part number 5293529 and manufactured by Cummins, is a component designed to monitor and detect ammonia levels in the exhaust systems of various Cummins engines. This sensor is integral to ensuring the safe and efficient operation of engines by preventing the accumulation of harmful ammonia, which can be a byproduct of certain after-treatment systems.

Application in Specific Cummins Engines

ISB/ISD4.5 CM2150 B119, ISBE CM2150, and ISBE4 CM850

The Ammonia Detection Sensor is compatible with the ISB/ISD4.5 CM2150 B119, ISBE CM2150, and ISBE4 CM850 engines. These engines are part of Cummins’ lineup that utilizes advanced after-treatment systems to meet stringent emissions standards. The sensor’s placement in these engines is typically within the exhaust system, where it can effectively monitor ammonia levels and relay this information to the engine control unit (ECU). This ensures that any deviations from safe ammonia levels are promptly addressed, maintaining engine performance and compliance with environmental regulations.

ISL9.5 CM2880 L138

The ISL9.5 CM2880 L138 engine also benefits from the integration of the Ammonia Detection Sensor. This engine, known for its robust performance and reliability, is equipped with sophisticated after-treatment technologies. The sensor’s role here is to provide real-time data on ammonia concentrations, which is crucial for the engine’s ECU to make necessary adjustments to the exhaust treatment process. This proactive monitoring helps in preventing potential issues related to ammonia buildup, thereby enhancing the engine’s longevity and efficiency.

Importance of Ammonia Detection

The integration of the Ammonia Detection Sensor in these Cummins engines underscores the importance of continuous monitoring and control of exhaust emissions. By detecting ammonia levels, the sensor helps in maintaining the balance of chemical reactions within the exhaust system, ensuring that the engine operates within safe parameters. This is particularly important in engines that utilize Selective Catalytic Reduction (SCR) systems, where ammonia is used as a reducing agent to lower nitrogen oxide (NOx) emissions. Any imbalance in ammonia levels can lead to inefficiencies or even damage to the engine components.

The Ammonia Detection Sensor, part number 5293529, is thus a vital component in the Cummins engine ecosystem, ensuring that these engines operate safely and efficiently while meeting environmental standards.

Role of Part 5293529 Ammonia Detection Sensor in Engine Systems

The 5293529 Ammonia Detection Sensor is integral to the efficient and safe operation of engine systems, particularly those involving diesel exhaust fluid (DEF) and its associated components.

In the context of the arrangement of engine components, the sensor is strategically positioned to monitor the levels of ammonia within the system. This is essential as ammonia is a byproduct of the selective catalytic reduction (SCR) process, where DEF is injected into the exhaust stream to convert nitrogen oxides (NOx) into nitrogen and water.

The sensor’s placement allows it to provide real-time data on ammonia concentrations, ensuring that the SCR system operates within optimal parameters. This helps in maintaining the efficiency of the NOx reduction process while preventing the release of excessive ammonia, which can be harmful to the environment.

Regarding the diesel exhaust fluid tank, the 5293529 sensor indirectly supports its function by ensuring that the DEF is used effectively. By monitoring ammonia levels, the sensor helps in fine-tuning the DEF injection rate, thereby conserving DEF and prolonging the life of the tank.

Overall, the 5293529 Ammonia Detection Sensor plays a role in enhancing the performance and environmental compliance of engine systems by providing accurate and timely data on ammonia levels.

Conclusion

The Cummins Ammonia Detection Sensor, part number 5293529, is a critical component in the operation of commercial trucks and Cummins engines. It ensures the efficient and safe operation of engine systems by monitoring ammonia levels, which is essential for the SCR process and compliance with environmental regulations. The sensor’s high sensitivity, accuracy, and durability make it suitable for heavy-duty applications, contributing to improved emission control and engine performance. Proper installation, regular maintenance, and troubleshooting are essential for the sensor’s optimal performance.


  1. Michael Hilgers, Electrical Systems and Mechatronics, Second Edition, Springer Vieweg, 2023.

  2. Douglas R. Fehan, Design of Racing and High-Performance Engines 2004-2013, SAE International, 2013.

  3. Tom Denton and Hayley Pells, Automotive Technician Training, Second Edition, Routledge, 2022.

  4. Cummins Inc., Operation and Maintenance Manual, Bulletin Number 5659997.

  5. Sean Bennett, Ian Andrew Norman, Heavy Duty Truck Systems, Fifth Edition, Delmar Cengage Learning, 2011.

SPECIFICATIONS

Package Dimensions
65.0 x 21.4 x 19.0 in
Weight
2.232 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.