4941637
Aftercooler
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$849.95 $1,011.44

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

Introduction

The Cummins 4941637 Aftercooler is a component designed for use in heavy-duty trucks. It serves a specific function within the engine system, contributing to the overall efficiency and performance of the vehicle. Understanding its purpose and operation is key to appreciating its role in maintaining optimal engine conditions.

Basic Concepts of Aftercoolers

An aftercooler is a device used in turbocharged or supercharged engines to cool the compressed air before it enters the combustion chamber. By reducing the temperature of the intake air, the aftercooler increases its density, which in turn enhances combustion efficiency and power output 1. This cooling process is vital for maintaining engine performance and longevity, as it helps to mitigate the effects of heat generated during compression.

Purpose of the Cummins 4941637 Aftercooler

The Cummins 4941637 Aftercooler is engineered to cool the compressed air from the turbocharger in heavy-duty truck engines. This cooling process plays a role in increasing the air’s density, which contributes to more efficient combustion and improved engine performance. By ensuring that the air entering the engine is at an optimal temperature, the aftercooler helps to maximize power output and fuel efficiency.

Key Features

The Cummins 4941637 Aftercooler is characterized by its robust design and the use of high-quality materials. It incorporates advanced technological features that enhance its efficiency and durability. The design allows for effective heat exchange, ensuring that the compressed air is cooled efficiently before it enters the engine. The materials used are selected for their ability to withstand the high pressures and temperatures associated with heavy-duty engine operations.

Benefits of Using the Cummins 4941637 Aftercooler

Utilizing the Cummins 4941637 Aftercooler offers several advantages. It contributes to improved engine performance by ensuring that the air entering the combustion chamber is at an optimal temperature and density. This results in more efficient combustion, leading to increased power output and fuel efficiency 2. Additionally, the aftercooler plays a role in reducing emissions by promoting cleaner and more complete combustion.

Installation and Compatibility

Proper installation of the Cummins 4941637 Aftercooler is crucial for ensuring its effective operation within the engine system. It is designed to be compatible with specific Cummins engine models, ensuring a seamless integration into the engine’s air intake system. Following the manufacturer’s guidelines for installation is recommended to maintain the aftercooler’s efficiency and durability.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4941637 Aftercooler is important for ensuring its continued efficient operation. This includes routine inspections for any signs of damage or wear, cleaning to remove any debris that may accumulate, and addressing any issues promptly to prevent further complications. Troubleshooting common issues, such as reduced cooling efficiency, may involve checking for blockages or leaks in the system.

Performance Enhancements

The Cummins 4941637 Aftercooler contributes to overall engine performance by ensuring that the air entering the engine is cooled to an optimal temperature. This results in increased power output and torque, as well as improved engine durability. The efficient cooling provided by the aftercooler allows the engine to operate more efficiently under a variety of conditions, enhancing its performance capabilities.

Environmental Impact

The use of the Cummins 4941637 Aftercooler has positive environmental implications. By promoting more efficient combustion, it plays a role in reducing emissions from heavy-duty trucks. Additionally, the improved fuel efficiency associated with its use contributes to lower fuel consumption, further reducing the environmental impact of truck operations 3.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a reputation for manufacturing high-quality engines and components, Cummins has established itself as a trusted name in the industry, committed to innovation and sustainability in power generation.

Cummins Aftercooler 4941637 Compatibility

The Cummins Aftercooler part number 4941637 is designed to enhance the performance of several engine models by effectively cooling the compressed air before it enters the engine’s combustion chamber. This part is engineered to improve efficiency and power output, making it a critical component for specific Cummins engines.

Compatible Engines

  • 4B3.9
  • QSB 6.7
  • QSC 6.7

The aftercooler 4941637 is particularly suited for the 4B3.9 engine, where it plays a vital role in maintaining optimal operating temperatures. By cooling the intake air, it helps reduce the risk of engine knock and improves overall fuel efficiency. This part is also compatible with the QSB 6.7 and QSC 6.7 engines, where it ensures that the air entering the engine is at the ideal temperature, thereby enhancing performance and longevity.

In these engines, the aftercooler is typically mounted in a location that allows for efficient air flow and cooling. The design ensures that it integrates seamlessly with the engine’s existing systems, providing a reliable and effective solution for air cooling.

Role of Part 4941637 Aftercooler in Engine Systems

The part 4941637 Aftercooler is an essential component in the arrangement of engine systems, particularly when integrated with a turbocharger. Its primary function is to cool the compressed air from the turbocharger before it enters the engine’s combustion chamber.

In a turbocharged engine system, the turbocharger compresses the intake air, which increases its temperature. High temperatures can lead to decreased air density and reduced engine efficiency. The aftercooler addresses this issue by lowering the temperature of the compressed air, thereby increasing its density. This results in more efficient combustion and improved engine performance.

The aftercooler is typically positioned between the turbocharger and the intake manifold. As the hot, compressed air from the turbocharger passes through the aftercooler, it is cooled by either air or liquid, depending on the specific design of the system. In air-to-air aftercoolers, ambient air is used to cool the compressed air, while in air-to-liquid aftercoolers, a liquid coolant circulates through the aftercooler to achieve the same effect.

By effectively reducing the temperature of the intake air, the part 4941637 Aftercooler plays a significant role in enhancing the overall efficiency and performance of the engine. This is particularly important in high-performance and high-stress engine applications where maintaining optimal air temperature is key to achieving peak performance.

Conclusion

The Cummins 4941637 Aftercooler is a vital component for heavy-duty truck engines, enhancing performance, efficiency, and environmental sustainability. Its robust design, compatibility with specific Cummins engines, and the benefits it offers make it an essential part of the engine system. Regular maintenance and proper installation are key to ensuring its optimal operation and longevity.


  1. Awari, G.K., Kumbhar, V.S., & Tirpude, R.B. (2011). Automotive Systems Principles and Practice. CRC Press.

  2. Han, Z. (2022). Simulation and Optimization of Internal Combustion Engines. SAE International.

  3. Denton, T., & Pells, H. (2022). Automotive Technician Training Theory. Routledge.

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* 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.