4387615
Diesel Exhaust Fluid Tank
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,949.95 $2,320.44

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 Tank (Part #4387615) by Cummins is a component designed to store Diesel Exhaust Fluid (DEF), which is used in the Selective Catalytic Reduction (SCR) system of heavy-duty trucks. This part plays a role in the operation of these vehicles by ensuring a consistent supply of DEF, which is necessary for the reduction of nitrogen oxides (NOx) emissions 1.

Diesel Exhaust Fluid (DEF) Overview

Diesel Exhaust Fluid, commonly referred to as DEF, is a solution composed of deionized water and urea. It is injected into the exhaust stream of diesel engines where it decomposes into ammonia and carbon dioxide. The ammonia then reacts with NOx in the Selective Catalytic Reduction system to convert them into nitrogen and water vapor, thereby reducing harmful emissions 2.

Function of the Diesel Exhaust Fluid Tank

The Diesel Exhaust Fluid Tank operates within the Selective Catalytic Reduction system by storing DEF and supplying it as needed. When the engine control unit signals the need for DEF injection, the tank releases the fluid through a dosing system into the exhaust stream. This process helps in the chemical reaction that reduces NOx emissions, contributing to cleaner exhaust 3.

Key Features of the Cummins Diesel Exhaust Fluid Tank

The Cummins Diesel Exhaust Fluid Tank is constructed from materials that offer resistance to corrosion and the chemical properties of DEF. It is designed with a specific capacity to accommodate the DEF requirements of the vehicle, ensuring sufficient fluid is available for extended periods. Design elements such as robust fittings and secure mounting brackets enhance the tank’s durability and performance under various operating conditions 4.

Benefits of Using a Cummins Diesel Exhaust Fluid Tank

Using the Cummins Diesel Exhaust Fluid Tank can lead to improved emission control, helping vehicles meet stringent environmental regulations. It may also contribute to potential fuel efficiency gains by optimizing the SCR system’s performance. The tank’s design and construction are aimed at providing reliable operation and longevity 1.

Installation and Integration

Proper installation of the Cummins Diesel Exhaust Fluid Tank involves securing it within the truck’s exhaust system and ensuring all necessary connections are made. Compatibility with the vehicle’s make and model is important to consider, as well as following manufacturer guidelines for integration to ensure optimal function and safety 2.

Maintenance and Troubleshooting

Routine maintenance of the Diesel Exhaust Fluid Tank includes checking for leaks, ensuring the DEF quality is maintained, and verifying that the dosing system is functioning correctly. Common issues may include DEF contamination or dosing system malfunctions, which can often be resolved through cleaning or component replacement 3.

Environmental Impact

The use of a Diesel Exhaust Fluid Tank in heavy-duty trucks contributes to reducing harmful emissions, particularly NOx, which are known to contribute to smog and respiratory problems. By facilitating the SCR process, the tank plays a role in promoting cleaner air quality and mitigating the environmental impact of diesel engines 4.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation in diesel engine technology and emissions control, Cummins is committed to developing solutions that meet the evolving needs of the transportation industry and environmental standards 1.

Regulatory Compliance

The Cummins Diesel Exhaust Fluid Tank assists trucks in meeting emissions regulations and standards set by environmental agencies. By enabling the SCR system to function effectively, the tank helps ensure that vehicles comply with legal limits on NOx emissions, which are part of broader efforts to improve air quality 2.

Customer Reviews and Feedback

Customer reviews and feedback on the Cummins Diesel Exhaust Fluid Tank highlight its performance and reliability in real-world applications. Users often note the tank’s durability, ease of maintenance, and the effectiveness of the SCR system in reducing emissions, providing valuable insights into its operation and benefits 3.

Future Developments

Ongoing research and development in Diesel Exhaust Fluid Tank technology may lead to advancements in materials, design, and integration with other emission control systems. These improvements could enhance the efficiency, durability, and environmental benefits of DEF tanks in the future 4.

Compatibility of Cummins Diesel Exhaust Fluid Tank (Part 4387615)

The Cummins Diesel Exhaust Fluid (DEF) Tank, part number 4387615, is designed to be compatible with a range of Cummins engines, ensuring that the SCR system operates efficiently across various engine models. Below is a detailed overview of the compatibility of this DEF tank with specific Cummins engine models.

F3.8 CM2350 Engines

The Cummins F3.8 CM2350 engine series, which includes the F3.8 CM2350 F128C, is engineered for applications requiring robust performance and reliability. The DEF tank part 4387615 is specifically designed to integrate seamlessly with these engines, ensuring that the SCR system functions optimally.

QSB6.7 CM2350 Engines

The QSB6.7 CM2350 B105 engine is another model where the DEF tank part 4387615 is applicable. This engine is known for its versatility and is used in a variety of applications, from agricultural to industrial use. The DEF tank ensures that the SCR system is properly supplied with DEF, which is essential for reducing NOx emissions in these demanding environments.

QSF3.8 CM2350 Engines

The QSF3.8 CM2350 F107 engine is part of the Cummins family that benefits from the DEF tank part 4387615. This engine is designed for applications that require a balance of power and efficiency. The DEF tank’s compatibility with this engine ensures that the SCR system is effectively managed, contributing to lower emissions and compliance with environmental regulations.

QSG12/X12 CM2350 Engines

The QSG12/X12 CM2350 G110 engine series, which includes the QSG12/X12 CM2350 G110, is another model where the DEF tank part 4387615 is suitable. These engines are known for their high performance and are used in heavy-duty applications. The DEF tank ensures that the SCR system is adequately supplied with DEF, which is critical for maintaining emission standards in these heavy-duty scenarios.

QSL9 CM2350 Engines

The QSL9 CM2350 L102 engine is another model where the DEF tank part 4387615 is compatible. This engine is designed for applications that require a balance of power and efficiency. The DEF tank ensures that the SCR system is effectively managed, contributing to lower emissions and compliance with environmental regulations.

QSX15 CM2350 Engines

The QSX15 CM2350 X105 engine is another model where the DEF tank part 4387615 is applicable. This engine is known for its high performance and is used in heavy-duty applications. The DEF tank ensures that the SCR system is adequately supplied with DEF, which is critical for maintaining emission standards in these heavy-duty scenarios.

Integration of Part 4387615 Diesel Exhaust Fluid Tank in Engine Systems

The Diesel Exhaust Fluid (DEF) tank, identified by part number 4387615, is an integral component within modern diesel engine systems, specifically those equipped with Selective Catalytic Reduction (SCR) technology. This tank stores DEF, a solution of urea and deionized water, which is essential for the reduction of nitrogen oxides (NOx) emissions.

When DEF is required, it is pumped from the tank through a series of lines and into the SCR system. The DEF is injected into the exhaust stream upstream of the SCR catalyst. Here, it decomposes into ammonia and carbon dioxide under the high temperatures of the exhaust gases. The ammonia then reacts with NOx in the presence of the SCR catalyst, converting them into harmless nitrogen and water vapor.

The DEF tank is connected to the DEF pump, which ensures a consistent supply of fluid to the injection system. The level of DEF within the tank is monitored by a sensor, which sends signals to the engine control unit (ECU). The ECU uses this information to manage the DEF injection process and to alert the operator when the tank requires refilling.

Additionally, the DEF tank is part of a broader emissions control strategy that includes the exhaust gas recirculation (EGR) system, the diesel particulate filter (DPF), and the SCR catalyst. These components work in concert to meet stringent emissions regulations, with the DEF tank playing a supportive role in the SCR process.

Conclusion

In summary, the DEF tank is a key component in the after-treatment system of diesel engines, ensuring that the SCR system has a reliable source of DEF to effectively reduce NOx emissions. The Cummins Diesel Exhaust Fluid Tank (Part 4387615) is designed to be compatible with a wide range of Cummins engines, ensuring that the SCR system operates efficiently across various models and applications. This compatibility is essential for maintaining emission standards and engine efficiency in both light-duty and heavy-duty environments.


  1. Quigley, Jon M. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

  2. Goodnight, Nicholas and Van Gelder, Kirk. Automotive Braking Systems. Jones & Bartlett Learning, 2018.

  3. Department of Energy Fundamentals Handbook. Department of Energy, 2015.

  4. Goodnight, Nicholas and VanGelder, Kirk. Automotive Braking Systems CDX Master Automotive Technician Series. Jones Bartlett Learning, 2019.

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SPECIFICATIONS

Package Dimensions
19.7 x 12.0 x 26.1 in
Weight
16.81 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.