5566839
Aftercooler
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$4,999.95 $5,949.94

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 5566839 Aftercooler is a component designed to enhance the performance and efficiency of commercial truck engines. It plays a role in the cooling process of compressed air within the engine system, contributing to overall engine operation and longevity.

Basic Concepts of Aftercoolers

An aftercooler is a device used in internal combustion engines to cool the compressed air coming from the turbocharger before it enters the engine’s combustion chamber 1. This cooling process increases the air density, allowing more oxygen to enter the engine, which can lead to improved combustion efficiency and power output. The principles of air cooling technology involve transferring heat from the compressed air to a cooling medium, typically ambient air, through a heat exchanger.

Purpose and Role of the 5566839 Aftercooler

The Cummins 5566839 Aftercooler is specifically designed to enhance engine performance and efficiency in commercial trucks. By cooling the compressed air, it increases the air density, which can lead to more efficient combustion and improved engine performance 2. This aftercooler contributes to the overall operation of a truck by ensuring that the engine operates under optimal conditions, which can lead to better fuel efficiency and reduced emissions.

Key Features

The Cummins 5566839 Aftercooler features a robust design that includes high-quality materials to ensure durability and efficiency. Its design elements are tailored to maximize heat exchange efficiency, and it incorporates features that distinguish it from other aftercoolers, such as advanced fin technology and a compact design that fits well within the engine compartment of commercial trucks.

Benefits of Using the 5566839 Aftercooler

Using the Cummins 5566839 Aftercooler provides several advantages, including improved engine efficiency due to better air cooling, reduced emissions as a result of more complete combustion, and enhanced durability of the engine components due to the reduced thermal stress 3. These benefits contribute to the overall performance and longevity of the truck.

Installation and Integration

Proper installation of the Cummins 5566839 Aftercooler involves ensuring that it is correctly positioned within the engine system to allow for efficient airflow and heat exchange. It is important to follow manufacturer guidelines for installation to ensure optimal performance. This may include preparations such as ensuring the engine compartment is clean and free of obstructions.

Maintenance and Care

To ensure the Cummins 5566839 Aftercooler operates at peak efficiency, regular maintenance and care are necessary. This includes inspecting the aftercooler for any signs of damage or wear, cleaning the fins to remove any debris that may obstruct airflow, and following any specific maintenance procedures outlined by the manufacturer. Regular maintenance helps to ensure optimal performance and longevity of the aftercooler.

Troubleshooting Common Issues

Common issues with the Cummins 5566839 Aftercooler may include reduced cooling efficiency due to debris buildup or damage to the fins. Troubleshooting steps may involve cleaning the aftercooler to remove any obstructions, inspecting for damage, and replacing any damaged components as necessary. Addressing these issues promptly can help maintain the efficiency and performance of the aftercooler.

Performance Enhancements

The Cummins 5566839 Aftercooler contributes to overall truck performance by improving fuel efficiency through more efficient combustion, increasing power output by allowing more air into the engine, and reducing emissions by promoting cleaner combustion. These enhancements can lead to better overall performance and reduced operating costs for commercial truck operators.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and aftermarket parts. With a history of innovation and a strong reputation in the commercial truck industry, Cummins is known for producing high-quality, reliable components that enhance the performance and efficiency of commercial vehicles.

Cummins Aftercooler Part 5566839 Compatibility

The Cummins Aftercooler part number 5566839 is designed to fit seamlessly with several engine models, ensuring optimal performance and efficiency. This aftercooler is engineered to work with the following engines:

  • 6B5.9
  • QSB5.9 CM850

These engines, while distinct in their specific applications and configurations, share a commonality in their requirement for effective cooling systems. The aftercooler part 5566839 is specifically tailored to meet the cooling needs of these engines, enhancing their overall performance and longevity.

By integrating this aftercooler into the engine system, users can expect improved air intake efficiency, which is crucial for maintaining the engine’s operational temperature and preventing overheating. This compatibility ensures that the aftercooler functions optimally within the specified engine models, providing a reliable and efficient cooling solution.

Role of Part 5566839 Aftercooler in Engine Systems

The part 5566839 Aftercooler is a component in the arrangement of turbocharged engine systems. Its primary function is to reduce the temperature of the compressed air coming from the turbocharger. This process is vital for several reasons:

  1. Enhanced Efficiency: By lowering the temperature of the air, the aftercooler increases the air density. Denser air allows for more fuel to be combusted, which in turn enhances the engine’s overall efficiency.

  2. Reduced Thermal Stress: The aftercooler helps in mitigating thermal stress on engine components. Cooler air reduces the likelihood of overheating, which can lead to component failure or reduced engine lifespan.

  3. Improved Performance: With cooler air entering the combustion chamber, the engine can operate more effectively. This results in better throttle response and increased power output.

  4. Decreased Knocking: Lower air temperatures reduce the chances of engine knocking, a condition that occurs when fuel ignites prematurely in the combustion chamber. This ensures smoother operation and protects the engine from potential damage.

Conclusion

In summary, the integration of the part 5566839 Aftercooler within the engine system, particularly in turbocharged applications, plays a role in optimizing performance, ensuring reliability, and prolonging the lifespan of the engine components.


  1. Hiereth, H., Prenninger, P., & Drexl, K. W. (2010). Charging the Internal Combustion Engine. Springer.

  2. Pacejka, H. B. (2006). Tyre and Vehicle Dynamics. Butterworth-Heinemann.

  3. Randall, M. (2015). Haynes Manual on Diesel Engines. Haynes Publishing.

SPECIFICATIONS

Package Dimensions
21.8 x 12.5 x 17.4 in
Weight
52 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.