3924732
Aftercooler
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$879.95 $1,047.14

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 3924732 Aftercooler is a component designed to enhance the performance and efficiency of heavy-duty trucks. Its role in the engine system is significant, contributing to the overall functionality and reliability of the vehicle.

Basic Concepts of Aftercoolers

An aftercooler is a device used in diesel engines to cool the compressed air from the turbocharger before it enters the combustion chamber. This cooling process increases the air density, which in turn enhances the engine’s efficiency and power output. The principles of air cooling in diesel engines involve reducing the temperature of the compressed air to optimize combustion conditions 1.

Purpose of the 3924732 Aftercooler

The Cummins 3924732 Aftercooler is specifically designed to cool the air that has been compressed by the turbocharger. By lowering the temperature of this air, the aftercooler helps to increase its density, which leads to more efficient combustion and improved engine performance. This cooling process is vital for maintaining optimal engine operation post-turbocharging 2.

Key Features

The Cummins 3924732 Aftercooler is constructed with high-quality materials to ensure durability and efficiency. Its design includes features such as a robust housing, efficient cooling fins, and precise engineering to facilitate effective air cooling. The build quality of this aftercooler is a testament to Cummins’ commitment to producing reliable components for heavy-duty applications.

Benefits of Using the 3924732 Aftercooler

Utilizing the Cummins 3924732 Aftercooler offers several advantages. These include improved engine efficiency due to better air density, reduced emissions as a result of more complete combustion, and enhanced durability of engine components owing to the reduced thermal stress. The aftercooler contributes to a more reliable and efficient engine operation 3.

Installation and Integration

Installing the Cummins 3924732 Aftercooler involves integrating it into the truck’s engine system in a manner that ensures optimal airflow and cooling. This process requires attention to detail to ensure that all connections are secure and that the aftercooler is properly aligned within the engine bay. Considerations such as adequate space and proper routing of air and coolant lines are important for successful integration.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3924732 Aftercooler is important to ensure its continued efficient operation. This includes inspecting for any signs of damage, ensuring that all connections are tight, and cleaning the cooling fins to remove any debris that may impede airflow. Troubleshooting common issues may involve checking for leaks, verifying proper airflow, and ensuring that the aftercooler is free from obstructions.

Performance Impact

The Cummins 3924732 Aftercooler plays a role in enhancing the overall performance and efficiency of the truck’s engine. By ensuring that the air entering the combustion chamber is at an optimal temperature and density, the aftercooler contributes to smoother engine operation, increased power output, and improved fuel efficiency.

Environmental Considerations

The use of an efficient aftercooler like the Cummins 3924732 contributes to environmental benefits by reducing emissions and fuel consumption. More complete combustion results in lower emissions of harmful pollutants, and improved engine efficiency leads to reduced fuel usage, both of which are beneficial for the environment.

Compatibility

The Cummins Aftercooler part number 3924732 is designed to enhance the performance of specific engine models by effectively cooling the compressed air before it enters the engine. This part is compatible with the following Cummins engines:

6C8.3 Engines

The 6C8.3 engine series benefits significantly from the installation of the 3924732 Aftercooler. This part ensures that the air entering the engine is at an optimal temperature, which can lead to improved efficiency and reduced engine wear. The aftercooler’s design allows it to integrate seamlessly with the 6C8.3 engine, providing a reliable cooling solution that enhances overall engine performance.

QSC8.3 CM554 Engines

Similarly, the QSC8.3 CM554 engine series is another beneficiary of the 3924732 Aftercooler. This part is engineered to fit precisely within the engine’s architecture, ensuring that the compressed air is cooled effectively before it reaches the combustion chamber. The compatibility of the aftercooler with the QSC8.3 CM554 engine results in better engine performance, increased longevity, and improved fuel efficiency.

By integrating the 3924732 Aftercooler into these engine models, users can expect enhanced operational efficiency and reduced maintenance needs.

Role of Part 3924732 Aftercooler in Engine Systems

The part 3924732 Aftercooler is an essential component in the arrangement of turbocharged engine systems. Its primary function is to cool down the compressed air coming from the turbocharger before it enters the engine’s combustion chambers.

In a typical setup, the turbocharger compresses the intake air, which raises its temperature. High temperatures can lead to decreased air density, which in turn reduces the efficiency and power output of the engine. The aftercooler mitigates this by lowering the temperature of the compressed air, thereby increasing its density and enhancing engine performance.

The placement of the aftercooler in relation to the turbocharger is vital. Generally, the aftercooler is positioned immediately after the turbocharger in the air intake path. This arrangement ensures that the hot, compressed air from the turbocharger is cooled as efficiently as possible before it reaches the engine.

In some engine designs, the aftercooler might be integrated into the intercooler system, especially in engines with multiple turbochargers. This integration allows for a more compact and efficient cooling process, further optimizing engine performance.

Overall, the effective use of the part 3924732 Aftercooler in conjunction with the turbocharger and its location within the engine system plays a significant role in maintaining optimal engine performance and efficiency.

Conclusion

The Cummins 3924732 Aftercooler is a vital component for enhancing the performance and efficiency of heavy-duty trucks. By cooling the compressed air from the turbocharger, this part increases air density, leading to more efficient combustion, improved engine performance, and reduced emissions. Its robust design, ease of installation, and compatibility with specific Cummins engines make it a valuable addition to any heavy-duty truck engine system.


  1. Lejda, K., & Wos, P. (2012). Internal Combustion Engines. InTech.

  2. ElSayed, M. (2017). Fundamentals of Integrated Vehicle Realization. SAE International.

  3. Bennett, S., & Norman, I. A. (2011). Heavy Duty Truck Systems, Fifth Edition. Delmar Cengage Learning.

* 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.