4353810
Doser Pump
Cummins®

The Cummins 4353810 Doser Pump is a component designed for use in heavy-duty trucks. It plays a role in the engine system by contributing to the overall performance and emissions control of the vehicle. Understanding its purpose and significance is key to appreciating its role in modern trucking operations.

Basic Concepts of Doser Pumps

A doser pump is a device used in diesel engines to inject a precise amount of Diesel Exhaust Fluid (DEF) into the exhaust stream. This injection occurs upstream of the Selective Catalytic Reduction (SCR) catalyst. The doser pump’s function is to facilitate the conversion of nitrogen oxides (NOx) into nitrogen and water vapor, thereby reducing harmful emissions. This process is a component of emissions control systems in diesel engines ¹.

Purpose of the 4353810 Doser Pump

The Cummins 4353810 Doser Pump is integral to the operation of the SCR system in heavy-duty trucks. Its specific role is to deliver DEF into the exhaust stream at calculated intervals and quantities. This delivery is based on engine load, speed, and other operating conditions, ensuring optimal reduction of NOx emissions. The pump’s accurate dosing is vital for the efficiency of the SCR system and for meeting environmental regulations ².

Key Features

The Cummins 4353810 Doser Pump incorporates several key features that enhance its performance and reliability. These include a robust design that withstands the harsh conditions of diesel exhaust, the use of high-quality materials to ensure durability, and advanced technological elements that allow for precise control of DEF delivery. These features contribute to the pump’s effectiveness in reducing emissions and supporting engine efficiency ³.

Benefits of Using the 4353810 Doser Pump

Utilizing the Cummins 4353810 Doser Pump offers several advantages. It contributes to improved emissions performance by ensuring efficient NOx reduction. Additionally, it supports enhanced engine efficiency and helps vehicles comply with stringent environmental regulations. The pump’s reliable operation is also beneficial for maintaining the overall performance and longevity of the engine system.

Installation Process

Installing the Cummins 4353810 Doser Pump requires careful attention to detail. The process involves securing the pump in its designated location within the exhaust system, connecting it to the DEF supply, and ensuring all electrical connections are properly made. It is important to follow manufacturer guidelines to ensure correct installation and operation.

Common Issues and Troubleshooting

Like any mechanical component, the Cummins 4353810 Doser Pump may encounter issues over time. Common problems can include dosing inaccuracies, electrical faults, or mechanical wear. Troubleshooting these issues often involves checking electrical connections, inspecting the pump for physical damage, and ensuring the DEF supply is unobstructed. Addressing these problems promptly can help maintain the pump’s effectiveness and the vehicle’s emissions performance.

Maintenance Tips

Regular maintenance is key to ensuring the longevity and optimal performance of the Cummins 4353810 Doser Pump. This includes periodic inspection of the pump and its connections, ensuring the DEF supply is clean and free from contaminants, and following manufacturer recommendations for service intervals. Proper maintenance helps prevent issues and ensures the pump continues to operate efficiently.

Cummins Corporation

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a history of innovation and a commitment to sustainability, Cummins plays a significant role in the automotive industry, providing technologies that enhance performance, efficiency, and environmental compatibility.

Compatibility of Doser Pump 4353810 with Cummins Engines

The Doser Pump 4353810, manufactured by Cummins, is designed to integrate seamlessly with a variety of Cummins engines. This part is crucial for the proper functioning of the engine’s fuel delivery system, ensuring efficient and reliable operation.

QSG12/X12 CM2350 G110

The Doser Pump 4353810 is compatible with the QSG12/X12 CM2350 G110 engine. This engine is known for its robust performance and reliability, making it a popular choice in various applications. The doser pump ensures that the engine receives the correct amount of fuel, enhancing its efficiency and longevity.

QSK19 CM2350 K105 and QSK19 CM2350 K114

Both the QSK19 CM2350 K105 and QSK19 CM2350 K114 engines are designed for heavy-duty applications, requiring a reliable fuel delivery system. The Doser Pump 4353810 fits perfectly with these engines, providing precise fuel dosing that is essential for maintaining optimal engine performance. This compatibility ensures that these engines operate smoothly and efficiently, even under heavy loads.

QSK50 CM2350 K108

The QSK50 CM2350 K108 engine is another high-performance model that benefits from the Doser Pump 4353810. This engine is engineered for demanding applications, and the doser pump plays a role in ensuring that the fuel is delivered accurately. This compatibility helps maintain the engine’s efficiency and reliability, making it suitable for a wide range of industrial and commercial uses.

QST30 CM2350 T101

The QST30 CM2350 T101 engine is designed for applications that require a balance of power and efficiency. The Doser Pump 4353810 is compatible with this engine, ensuring that it operates at peak performance. This compatibility is essential for maintaining the engine’s efficiency and reliability, making it a reliable choice for various applications.

By ensuring that the Doser Pump 4353810 is compatible with these Cummins engines, it guarantees that the engines will function optimally, providing the performance and reliability that users expect.

Role of Part 4353810 Doser Pump in Aftertreatment Systems

The 4353810 doser pump is integral to the operation of aftertreatment systems in modern engine configurations. Its primary function is to precisely deliver diesel exhaust fluid (DEF) into the exhaust stream, where it facilitates the selective catalytic reduction (SCR) process. This process is essential for converting harmful nitrogen oxides (NOx) into harmless nitrogen and water vapor.

In the aftertreatment device, the doser pump works in conjunction with various sensors and control modules to maintain optimal emissions levels. The pump’s consistent and accurate dosing ensures that the SCR catalyst operates efficiently, thereby enhancing the overall performance of the aftertreatment system.

Furthermore, the doser pump’s reliable operation contributes to the longevity and effectiveness of the SCR catalyst, reducing the need for frequent maintenance or replacement. This integration underscores the doser pump’s significant role in ensuring that engine systems meet stringent emissions regulations while maintaining high performance standards.

Conclusion

The Cummins 4353810 Doser Pump is a vital component in the emissions control system of heavy-duty trucks. Its precise delivery of DEF into the exhaust stream ensures efficient reduction of NOx emissions, contributing to both environmental compliance and engine performance. Understanding its features, benefits, and proper maintenance is essential for maximizing its effectiveness and longevity.