5543591
Aftercooler Core
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$4,599.95 $5,473.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 5543591 Aftercooler Core is a component designed for use in commercial trucks. It serves a specific function within the engine system, contributing to the overall efficiency and performance of the vehicle. This part is integral to the cooling process of the compressed air from the turbocharger before it enters the engine, ensuring optimal operating conditions 1.

Basic Concepts of Aftercooler Cores

An aftercooler core is a heat exchanger used in the engine cooling system of turbocharged engines. Its function is to cool the compressed air from the turbocharger, which is typically hot, before it enters the engine’s combustion chambers. This cooling process increases the air density, which in turn enhances engine efficiency and performance 2. The aftercooler core plays a role in maintaining engine efficiency by ensuring that the air entering the engine is at an optimal temperature, thus supporting consistent engine operation and longevity.

Purpose of the Cummins 5543591 Aftercooler Core

The Cummins 5543591 Aftercooler Core is specifically designed to cool the compressed air from the turbocharger in commercial trucks. By reducing the temperature of the air before it enters the engine, this component helps to increase air density. This increased density allows for more efficient combustion, which can lead to improved engine performance and fuel efficiency. Additionally, it helps in reducing thermal stress on engine components, contributing to the overall durability and reliability of the engine 3.

Key Features

The Cummins 5543591 Aftercooler Core is characterized by its robust design and the materials used in its construction. It is built to withstand the high pressures and temperatures associated with turbocharged engines. The core is made from high-quality materials that ensure durability and efficient heat exchange. Its design includes features that enhance airflow and heat dissipation, contributing to its performance and longevity.

Benefits of Using the Cummins 5543591 Aftercooler Core

Incorporating the Cummins 5543591 Aftercooler Core into a truck’s engine system offers several advantages. It contributes to improved engine efficiency by ensuring that the air entering the engine is at an optimal temperature. This can lead to enhanced power output and fuel efficiency. Additionally, by reducing thermal stress on engine components, it supports the longevity and reliability of the engine. The core also plays a role in reducing emissions, as more efficient combustion processes tend to produce fewer pollutants 4.

Installation and Integration

Proper installation of the Cummins 5543591 Aftercooler Core is crucial for ensuring its effective operation within the engine system. It should be installed according to the manufacturer’s guidelines to ensure compatibility and optimal performance. This may involve specific preparations or considerations, such as ensuring the core is securely mounted and that all connections are properly sealed to prevent leaks.

Troubleshooting and Maintenance

Regular maintenance of the Cummins 5543591 Aftercooler Core is important for ensuring its continued efficient operation. This may include checking for signs of wear or damage, ensuring all connections are secure, and cleaning the core to remove any buildup that could impede airflow or heat exchange. Troubleshooting common issues may involve checking for leaks, ensuring proper airflow, and verifying that the core is functioning within expected temperature ranges.

Performance Enhancements

The Cummins 5543591 Aftercooler Core contributes to overall engine performance in several ways. By cooling the compressed air from the turbocharger, it increases air density, which can lead to more efficient combustion and improved power output. This can also contribute to better fuel efficiency and reduced emissions. The core’s role in reducing thermal stress on engine components further supports the engine’s durability and reliability.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its high-quality engine and component offerings. With a history of innovation and commitment to quality, Cummins has built a reputation for producing reliable and efficient products. The company’s product portfolio includes a wide range of engines and components designed to meet the diverse needs of the commercial truck market, demonstrating its expertise and authority in the industry.

Cummins Aftercooler Core Part 5543591 Compatibility

The Cummins Aftercooler Core part number 5543591 is designed to fit seamlessly with several engine models, ensuring optimal performance and efficiency. This part is integral to the cooling system of these engines, providing a crucial function in maintaining the ideal operating temperature.

Engine Compatibility

  • 6B5.9 Engine: The 5543591 Aftercooler Core is specifically engineered to integrate with the 6B5.9 engine. This engine model benefits from the precise fit and high-quality construction of the aftercooler core, enhancing its cooling capabilities and overall performance.

  • K38 and K50 Engines: The part number 5543591 is also compatible with both the K38 and K50 engines. These engines, known for their robust design and reliability, are well-suited to the performance characteristics of the Cummins Aftercooler Core. The compatibility ensures that the cooling system operates efficiently, contributing to the longevity and efficiency of these engines.

The Cummins Aftercooler Core part 5543591 is a critical component for maintaining the cooling efficiency of these engines, ensuring they operate at optimal levels. Its design and fitment are tailored to meet the specific needs of the 6B5.9, K38, and K50 engines, providing a reliable and effective solution for engine cooling.

Role of Part 5543591 Aftercooler Core in Engine Systems

The aftercooler core (part 5543591) is a vital component within the aftercooling system of an engine. Its primary function is to reduce the temperature of compressed air from the turbocharger before it enters the engine’s combustion chambers. This cooling process enhances air density, which in turn improves engine efficiency and power output.

Integration with Key Components

  1. Aftercooler Assembly: The aftercooler core is the heart of the aftercooler assembly. It works in conjunction with the aftercooler housing, which encases the core and directs the flow of air and coolant. The efficient design of the core ensures maximum heat exchange, significantly lowering the temperature of the compressed air.

  2. Oil Connection: The aftercooler core often features oil connections that allow for the circulation of engine oil through the core. This oil helps in further cooling the compressed air. The oil connections are strategically placed to ensure uniform distribution and effective heat dissipation.

  3. Performance Parts: When upgrading engine performance, the aftercooler core plays a significant role. High-performance aftermarket parts often include enhanced aftercooler cores designed to handle increased air volumes and temperatures. These upgraded cores contribute to better overall engine performance and reliability under demanding conditions.

  4. Turbocharger Arrangement: In turbocharged engine systems, the aftercooler core is positioned downstream of the turbocharger. The turbocharger compresses intake air, raising its temperature. The aftercooler core then cools this air before it enters the engine, ensuring that the air charge is at an optimal temperature for combustion. This arrangement is essential for maintaining engine efficiency and preventing detonation.

The aftercooler core’s effective integration with these components ensures that the engine operates at peak performance, with improved fuel efficiency and reduced thermal stress on engine components.

Conclusion

The Cummins 5543591 Aftercooler Core is a critical component in the engine systems of commercial trucks, designed to enhance engine efficiency, performance, and reliability. Its role in cooling the compressed air from the turbocharger ensures optimal operating conditions, contributing to improved power output, fuel efficiency, and reduced emissions. Proper installation, regular maintenance, and understanding its integration with key engine components are essential for maximizing the benefits of this Cummins part.


  1. Hilgers, M., & Achenbach, W. (2021). Vocational Vehicles and Applications. Springer Vieweg.

  2. Pulkrabek, W. W. (2014). Engineering Fundamentals of the Internal Combustion Engine. Pearson Education.

  3. Hilgers, M. (2023). Chassis and Axles. Springer Vieweg.

  4. Rajamani, R. (2005). Vehicle Dynamics and Control. Springer.

SPECIFICATIONS

Package Dimensions
64.0 x 22.0 x 19.0 in
Weight
18 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.