5511564
Diesel Exhaust Fluid Header
Cummins®

The Diesel Exhaust Fluid Header, specifically Part #5511564 by Cummins, is a component integral to modern diesel engines. It plays a role in emissions control, ensuring that diesel engines meet stringent environmental regulations. Cummins, a renowned manufacturer in the diesel engine industry, produces this part as part of its commitment to innovation and sustainability ¹.

Basic Concepts of Diesel Exhaust Fluid Headers

A Diesel Exhaust Fluid Header is a component within the Selective Catalytic Reduction (SCR) system. This system is designed to reduce nitrogen oxides (NOx) emissions, which are harmful pollutants produced by diesel engines. The header facilitates the injection of Diesel Exhaust Fluid (DEF) into the exhaust stream. DEF, a solution of urea and deionized water, reacts with NOx in the presence of a catalyst to convert these pollutants into harmless nitrogen and water ².

Purpose and Function of the 5511564 Diesel Exhaust Fluid Header

The 5511564 Diesel Exhaust Fluid Header is engineered to play a specific role in the operation of a truck’s SCR system. It ensures the precise delivery of DEF into the exhaust stream, where it mixes with the exhaust gases. This mixture then passes through a catalyst, where the chemical reaction takes place to convert NOx into nitrogen and water. The efficient operation of this header is vital for the SCR system’s effectiveness in reducing emissions ³.

Key Features

The 5511564 Diesel Exhaust Fluid Header is characterized by several key features that enhance its performance and durability. Its design incorporates elements that ensure accurate DEF delivery and efficient mixing with exhaust gases. The materials used in its construction are selected for their resistance to the corrosive nature of DEF and the high temperatures of the exhaust stream. Additionally, the header may include unique attributes such as advanced sealing technologies to prevent leaks and ensure the system’s integrity.

Benefits

The implementation of the 5511564 Diesel Exhaust Fluid Header in a truck’s emissions control system offers several benefits. It contributes to improved emissions compliance by effectively reducing NOx emissions. This not only helps meet regulatory standards but also enhances engine performance by ensuring the SCR system operates efficiently. Furthermore, by reducing harmful emissions, this component plays a part in promoting environmental sustainability.

Troubleshooting and Maintenance

To ensure the optimal performance and longevity of the 5511564 Diesel Exhaust Fluid Header, regular maintenance and troubleshooting are recommended. Common issues may include blockages in the DEF delivery system or leaks in the header itself. Maintenance practices should include regular inspections for signs of wear or damage, ensuring the DEF delivery system is free from obstructions, and verifying the integrity of seals and connections. Troubleshooting tips may involve checking for proper DEF flow rates and ensuring the catalyst is functioning correctly.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established itself as a pioneer in diesel engine technology. The company is committed to innovation, sustainability, and providing solutions that meet the evolving needs of the automotive industry. Its expertise in emissions control technologies, including the SCR system and components like the 5511564 Diesel Exhaust Fluid Header, underscores its dedication to reducing the environmental impact of diesel engines.

Cummins Diesel Exhaust Fluid Header 5511564 Compatibility

The Cummins Diesel Exhaust Fluid (DEF) Header, part number 5511564, is designed to integrate seamlessly with a variety of Cummins engines. This component is crucial for the proper functioning of the Selective Catalytic Reduction (SCR) system, which reduces nitrogen oxides (NOx) in the exhaust gases of diesel engines.

Compatible Engines

• F3.8 CM2350 F128C
• QSB6.7 CM2350 B105
• QSF3.8 CM2350 F107
• QSG12/X12 CM2350 G110
• QSL9 CM2350 L102
• QSX15 CM2350 X105

The DEF Header is engineered to fit these engines, ensuring that the DEF is delivered precisely where it is needed within the exhaust system. This part is a critical component in maintaining the efficiency and compliance of the engine’s emissions control system.

Role of Part 5511564 Diesel Exhaust Fluid Header in Engine Systems

The Diesel Exhaust Fluid (DEF) Header, identified as part 5511564, is integral to the efficient operation of modern diesel engines equipped with Selective Catalytic Reduction (SCR) systems. This component acts as a conduit, facilitating the precise delivery of DEF from the DEF tank to the SCR system.

When DEF is pumped from the tank, it travels through the DEF Header, which is designed to ensure a consistent flow rate. This is essential for the SCR system to effectively reduce nitrogen oxides (NOx) emissions by converting them into harmless nitrogen and water vapor. The DEF Header is engineered to withstand the pressures and temperatures associated with DEF systems, ensuring reliable performance under varying engine loads and operating conditions.

In addition to its primary function, the DEF Header also incorporates safety features such as pressure relief valves and filtration systems to prevent contaminants from entering the SCR system. This helps maintain the integrity of the emission control components and ensures long-term reliability of the engine’s emission system.

Overall, the DEF Header plays a significant role in the DEF delivery system, contributing to the overall efficiency and environmental compliance of diesel engines.

Conclusion

The 5511564 Diesel Exhaust Fluid Header by Cummins is a critical component in the emissions control system of modern diesel engines. Its role in the precise delivery of DEF and the reduction of NOx emissions underscores its importance in meeting environmental regulations and promoting sustainability. Regular maintenance and troubleshooting are essential to ensure the longevity and efficiency of this part, highlighting Cummins’ commitment to innovation and environmental stewardship.