5418339
Diesel Exhaust Fluid Header
Cummins®

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Cummins®

Ships within 1-3 business days

$639.95 $761.54

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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 Diesel Exhaust Fluid Header 5418339, manufactured by Cummins, is a component designed to facilitate the operation of heavy-duty trucks by integrating into the Selective Catalytic Reduction (SCR) system. Cummins, a well-established manufacturer in the diesel engine industry, produces this part to enhance the efficiency and environmental compliance of heavy-duty vehicles. This header plays a role in the emission control system by ensuring the proper distribution and mixing of Diesel Exhaust Fluid (DEF) within the exhaust stream 2.

Basic Concepts of Diesel Exhaust Fluid Headers

A Diesel Exhaust Fluid Header is a component within the SCR system that facilitates the injection and distribution of DEF into the exhaust stream. The SCR system reduces nitrogen oxides (NOx) emissions by converting them into nitrogen and water through a chemical reaction with DEF. The header ensures that DEF is evenly distributed, which is vital for the effectiveness of the SCR system in reducing emissions 1.

Purpose and Role of the 5418339 Diesel Exhaust Fluid Header

The 5418339 Diesel Exhaust Fluid Header is specifically designed to enhance the performance of the SCR system in heavy-duty trucks. It contributes to emission reduction by ensuring that DEF is properly atomized and mixed with the exhaust gases. This process is crucial for the catalytic conversion of NOx, helping trucks meet stringent environmental regulations. The header’s design allows for efficient DEF distribution, which is key to maintaining optimal SCR system performance 2.

Key Features

The 5418339 Diesel Exhaust Fluid Header features a robust design that includes precision-engineered components to ensure reliable performance. It is constructed from high-quality materials that resist corrosion and withstand the high temperatures of the exhaust system. The header’s design incorporates advanced DEF distribution technology, which enhances its efficiency and durability. These features contribute to the overall performance and longevity of the component 1.

Benefits of Using the 5418339 Diesel Exhaust Fluid Header

Using the 5418339 Diesel Exhaust Fluid Header offers several benefits. It improves emission control by ensuring efficient DEF distribution, which enhances the effectiveness of the SCR system. This results in reduced NOx emissions, helping trucks comply with environmental regulations. Additionally, the header contributes to enhanced engine performance and can lead to potential cost savings for fleet operators by improving fuel efficiency and reducing maintenance requirements 2.

Installation and Integration

Proper installation of the 5418339 Diesel Exhaust Fluid Header is crucial for its effective operation. It should be integrated into the truck’s exhaust system according to the manufacturer’s guidelines to ensure compatibility with other components. Careful attention to alignment and secure mounting is necessary to prevent leaks and ensure optimal performance. Compatibility with the truck’s existing exhaust system components should be verified prior to installation 1.

Maintenance and Troubleshooting

Routine maintenance of the 5418339 Diesel Exhaust Fluid Header is important to ensure its longevity and efficiency. Regular inspections for signs of wear, corrosion, or damage are recommended. Cleaning the header to remove any buildup that could impede DEF distribution is also advised. Common issues may include blockages or leaks, which can be addressed by thorough inspection and appropriate repairs or replacements as needed 2.

Regulatory Compliance and Environmental Impact

The 5418339 Diesel Exhaust Fluid Header plays a role in helping trucks meet regulatory standards for emissions by enhancing the efficiency of the SCR system. The use of SCR technology and DEF headers contributes to significant reductions in NOx emissions, which has a positive environmental impact by improving air quality and reducing the carbon footprint of heavy-duty trucks 1.

Cummins: Manufacturer Overview

Cummins is a renowned manufacturer with a long-standing reputation in the diesel engine industry. The company is committed to innovation and quality, producing a wide range of diesel engine components designed to meet the demanding requirements of heavy-duty applications. Cummins’ expertise and dedication to advancing diesel technology are evident in their products, including the 5418339 Diesel Exhaust Fluid Header 2.

Cummins Diesel Exhaust Fluid Header 5418339 Compatibility

The Cummins Diesel Exhaust Fluid (DEF) Header part number 5418339 is designed to integrate seamlessly with a variety of Cummins engine models. This part is crucial for the proper functioning of the Selective Catalytic Reduction (SCR) system, which reduces nitrogen oxides (NOx) emissions in diesel engines.

Engine Compatibility

B6.7 CM2670 B164C

The B6.7 CM2670 B164C engine benefits from the DEF Header 5418339, ensuring that the DEF is accurately metered and injected into the exhaust stream. This part is essential for maintaining the engine’s compliance with stringent emission standards.

F3.8 CM2350 F128C

Similarly, the F3.8 CM2350 F128C engine is compatible with the DEF Header 5418339. This part ensures that the DEF is delivered efficiently, contributing to the engine’s overall performance and emission control.

L8.9 CM2670 L134C

The L8.9 CM2670 L134C engine also integrates well with the DEF Header 5418339. This compatibility is vital for the engine’s SCR system, which relies on the precise delivery of DEF to reduce NOx emissions effectively.

QSB6.7 CM2350 B105

The QSB6.7 CM2350 B105 engine is another model that is compatible with the DEF Header 5418339. This part ensures that the DEF is accurately injected into the exhaust system, supporting the engine’s emission control mechanisms.

QSF3.8 CM2350 F107

The QSF3.8 CM2350 F107 engine is designed to work with the DEF Header 5418339. This compatibility is crucial for the engine’s SCR system, which depends on the proper delivery of DEF to minimize NOx emissions.

QSL9 CM2350 L102

Lastly, the QSL9 CM2350 L102 engine is also compatible with the DEF Header 5418339. This part ensures that the DEF is accurately injected into the exhaust system, supporting the engine’s emission control mechanisms.

By ensuring that the DEF Header 5418339 is correctly installed and functioning, these Cummins engines can maintain optimal performance and comply with environmental regulations.

Conclusion

The 5418339 Diesel Exhaust Fluid Header is a critical component in the SCR system of heavy-duty trucks, designed to enhance emission control and ensure compliance with environmental regulations. Its robust design, advanced DEF distribution technology, and compatibility with various Cummins engine models make it a valuable asset for fleet operators seeking to improve engine performance and reduce maintenance costs. Proper installation, routine maintenance, and understanding its role in regulatory compliance are essential for maximizing the benefits of this Cummins part.


  1. Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.

  2. Majewski, A., & Jaskelainen, H. (2023). Diesel Emissions and Their Control: Second Edition. SAE International.

SPECIFICATIONS

Package Dimensions
65.0 x 22.0 x 19.0 in
Weight
3 lbs
* 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.