4000406
Aftercooler Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5,699.95 $6,782.94

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 Aftercooler Housing, part number 4000406, is a component designed for heavy-duty truck engines. It plays a significant role in the engine’s cooling system, contributing to the overall efficiency and performance of the engine. This part is engineered to meet the demanding requirements of commercial trucking, ensuring reliable operation under various conditions.

Basic Concepts of Aftercooler Housing

An aftercooler housing is part of the engine’s air intake system that follows the turbocharger. Its function is to cool the compressed air from the turbocharger before it enters the engine’s combustion chamber. By reducing the temperature of the air, the aftercooler housing increases the air density, which can lead to more efficient combustion and improved engine performance. This cooling process is vital for maintaining engine efficiency and protecting engine components from the effects of high temperatures 1.

Purpose of the 4000406 Aftercooler Housing

The 4000406 Aftercooler Housing is specifically designed to enhance the operation of heavy-duty trucks. It plays a role in the engine cooling system by ensuring that the air entering the engine is at an optimal temperature. This contributes to engine efficiency by allowing for more complete combustion of the fuel-air mixture. Additionally, the housing helps in reducing the thermal stress on engine components, which can lead to improved durability and performance over time 2.

Key Features

This Cummins part is constructed from high-quality materials that are resistant to corrosion and wear. Its design includes features that promote efficient cooling, such as a large surface area for heat exchange and a configuration that allows for optimal airflow. The housing is also designed to be compatible with specific Cummins engine models, ensuring a precise fit and function within the engine system.

Benefits of Using the 4000406 Aftercooler Housing

Utilizing the 4000406 Aftercooler Housing can lead to several advantages. It contributes to improved engine cooling, which can enhance overall engine performance. The durable construction of the housing ensures longevity, reducing the need for frequent replacements. Additionally, the efficient cooling provided by the housing can lead to potential fuel efficiency gains, as cooler air combustion can result in more efficient fuel use 3.

Installation Process

Installing the 4000406 Aftercooler Housing requires careful attention to ensure proper fit and function. The process involves disconnecting the old housing, cleaning the mounting area, and securing the new housing in place. It is important to follow the manufacturer’s instructions closely to ensure that all connections are secure and that the housing is properly aligned with the engine’s air intake system.

Maintenance and Care

To ensure the longevity and optimal performance of the 4000406 Aftercooler Housing, regular maintenance is recommended. This includes inspecting the housing for signs of wear or damage, cleaning the housing to remove any debris that may obstruct airflow, and checking all connections for tightness. Proper maintenance can help prevent issues and ensure that the housing continues to function effectively.

Troubleshooting Common Issues

Common problems with the 4000406 Aftercooler Housing may include reduced cooling efficiency or physical damage to the housing. These issues can often be addressed through regular maintenance, such as cleaning and inspection. If damage is detected, it may be necessary to replace the housing to restore proper function. Following the manufacturer’s guidelines for maintenance and operation can help prevent many common issues.

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 reputation for quality and innovation in the commercial truck industry. The company offers a wide range of products designed to meet the needs of various industries, with a strong emphasis on reliability and performance.

Cummins Aftercooler Housing Part 4000406 Compatibility

The Cummins Aftercooler Housing part number 4000406 is designed to fit seamlessly with several engine models, ensuring optimal performance and reliability. This part is integral to the engine’s cooling system, providing a housing for the aftercooler, which is essential for maintaining the efficiency of the engine’s air intake.

KTA19GC and KTA19GC CM558

The KTA19GC and KTA19GC CM558 engines benefit from the precise fit and robust construction of the 4000406 Aftercooler Housing. This part ensures that the aftercooler is securely mounted, allowing for effective cooling of the compressed air before it enters the engine. The compatibility of this housing with these engines is crucial for maintaining the high performance standards expected from KTA19GC series engines.

QSK19 CM500 and QSK19G

Similarly, the QSK19 CM500 and QSK19G engines are designed to work optimally with the 4000406 Aftercooler Housing. This part provides the necessary structural support and ensures that the aftercooler operates efficiently, contributing to the overall reliability and longevity of these engines. The precise engineering of the housing ensures that it fits perfectly with the QSK19 series engines, facilitating smooth operation and reducing the risk of wear and tear.

By integrating the 4000406 Aftercooler Housing into these engines, Cummins ensures that the cooling system functions as intended, enhancing the performance and durability of the engines. This compatibility underscores Cummins’ commitment to providing high-quality, reliable components that meet the demands of modern engine applications.

Role of Part 4000406 Aftercooler Housing in Engine Systems

The 4000406 Aftercooler Housing is an integral component in the efficient operation of modern engine systems. Its primary function is to house the aftercooler, which is responsible for cooling the compressed air from the turbocharger before it enters the engine’s air intake manifold. This cooling process increases the air density, allowing more oxygen to enter the combustion chamber, which enhances engine performance and efficiency.

Integration with Key Components

  1. Aftercooler: The aftercooler is directly mounted within the 4000406 Housing. This setup ensures that the cooling process is contained and efficient, maintaining optimal air temperature for combustion.

  2. Air Intake Manifold: The cooled air from the aftercooler, housed within the 4000406, is then directed into the air intake manifold. This manifold distributes the cooled, dense air to the engine cylinders, promoting better fuel combustion and overall engine efficiency.

  3. Camshaft: Although the camshaft is not directly connected to the aftercooler housing, the improved air quality and temperature regulation provided by the 4000406 Housing indirectly support the camshaft’s function. Enhanced combustion efficiency leads to smoother engine operation, which is beneficial for the camshaft’s timing and valve operation.

  4. Turbocharger Arrangement: The 4000406 Housing works in conjunction with the turbocharger arrangement. The turbocharger compresses the intake air, which is then cooled by the aftercooler within the housing before entering the engine. This sequence ensures that the air entering the engine is at an optimal temperature and pressure, maximizing the turbocharger’s effectiveness and the engine’s overall performance.

Conclusion

The 4000406 Aftercooler Housing by Cummins is a critical component for the efficient operation of heavy-duty truck engines. Its role in cooling the compressed air from the turbocharger enhances engine performance, efficiency, and durability. Proper installation, maintenance, and troubleshooting are essential to ensure the optimal function of this part. Cummins’ commitment to quality and compatibility ensures that the 4000406 Aftercooler Housing meets the demanding requirements of modern engine applications.


  1. Reif, Konrad Ed. Diesel Engine Management Systems and Components. Springer Vieweg, 2014.

  2. Dixon, John. Modern Diesel Technology Preventive Maintenance and Inspection. Delmar Cengage Learning, 2010.

  3. Stone, Richard. Introduction to Internal Combustion Engines, Fourth Edition. Macmillan, 2012.

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SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
47.3 x 17.0 x 14.5 in
Weight
55 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.