3929782
Aftercooler Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$33.95 $40.40

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 Tube, part number 3929782, is a component designed to enhance the efficiency and performance of a truck’s engine system. Cummins, a well-established name in the commercial truck industry, manufactures this part to ensure optimal air cooling and intake within the engine.

Function and Operation

The Aftercooler Tube 3929782 operates by facilitating the cooling of compressed air from the turbocharger before it enters the engine’s combustion chamber. This cooling process optimizes the air intake by reducing its temperature, which in turn increases the air density. The denser air allows for more efficient combustion, contributing to better engine performance and fuel efficiency 1.

Key Features

This Cummins part is constructed with materials and design features that enhance its performance and durability. It is made from high-quality materials that resist corrosion and withstand high pressures and temperatures. The tube’s design ensures efficient airflow and cooling, with precise engineering to fit seamlessly within the engine system.

Benefits of Using Aftercooler Tube 3929782

Incorporating the Aftercooler Tube 3929782 into a truck’s engine system offers several advantages. It contributes to improved engine efficiency by ensuring that the air entering the combustion chamber is at an optimal temperature. This results in reduced thermal stress on engine components and enhances overall performance. Additionally, the tube’s durable construction ensures long-term reliability and reduced maintenance needs 2.

Installation and Integration

Proper installation of the Aftercooler Tube 3929782 is crucial for its effective operation. It should be installed according to the manufacturer’s guidelines, ensuring all connections are secure and the tube is correctly positioned within the engine system. Preparations may include cleaning the installation area and checking for any obstructions that could affect performance.

Maintenance and Care

To ensure the longevity and optimal performance of the Aftercooler Tube 3929782, routine maintenance is recommended. This includes regular inspections for signs of wear or damage, cleaning the tube to remove any debris that could obstruct airflow, and checking connections for tightness. Adhering to these maintenance practices will help maintain the tube’s efficiency and durability 3.

Troubleshooting Common Issues

Typical issues with the Aftercooler Tube 3929782 may include reduced cooling efficiency or physical damage to the tube. Diagnostic steps should involve inspecting the tube for any visible damage, checking the airflow for obstructions, and ensuring all connections are secure. Potential solutions may include cleaning the tube, repairing or replacing damaged sections, and ensuring proper installation.

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 of innovation and quality, Cummins serves commercial truck, bus, construction, agricultural, and power generation markets. The company is renowned for its commitment to reliability, performance, and customer satisfaction, making it a preferred choice in the commercial truck industry.

Cummins Aftercooler Tube 3929782 Compatibility

The Cummins Aftercooler Tube part number 3929782 is a critical component in the cooling system of certain diesel engines. This part is designed to fit seamlessly within the engine’s architecture, ensuring efficient heat exchange and optimal performance.

Engine Compatibility

  • 4B3.9: The Aftercooler Tube 3929782 is specifically engineered to integrate with the 4B3.9 engine. This engine is known for its robust design and reliability, making it a popular choice in various applications. The tube’s precise fit ensures that it can effectively manage the heat generated by the engine, contributing to its longevity and efficiency.

The compatibility of the Aftercooler Tube 3929782 with the 4B3.9 engine underscores its importance in maintaining the engine’s performance. By ensuring a proper fit and function, this part helps to mitigate overheating and maintain the engine’s operational integrity.

Role of Part 3929782 Aftercooler Tube in Engine Systems

The Part 3929782 Aftercooler Tube is an essential component in the efficient operation of engine systems, particularly in turbocharged and intercooled setups. This component facilitates the cooling of compressed air before it enters the engine’s intake system.

Interaction with the Cylinder Head

Once the cooled air passes through the aftercooler tube, it moves towards the intake manifold and eventually reaches the cylinder head. The cylinder head houses the intake and exhaust valves, and it plays a pivotal role in the combustion process. The cooled air, having a higher density, enhances the efficiency of the combustion process within the cylinders. This results in better fuel economy and increased power output 4.

Contribution to the Head and Cylinder

The enhanced air quality provided by the aftercooler tube directly influences the performance of the head and cylinder. The head, which is responsible for sealing the cylinder and allowing the passage of air and fuel, benefits from the denser air. This denser air mixture leads to more efficient combustion, reducing the risk of detonation and improving overall engine performance.

The cylinder, where the actual combustion takes place, also sees significant benefits. The cooler intake air reduces the chances of overheating, which can lead to engine knock and other performance issues. Moreover, the improved air-fuel mixture ensures a more complete burn, maximizing the energy extracted from each fuel droplet.

Conclusion

In summary, the Part 3929782 Aftercooler Tube is a key player in maintaining optimal engine performance by ensuring that the air entering the engine is at the ideal temperature and density. This component works in harmony with the cylinder head, head, and cylinder to deliver efficient and powerful engine operation.


  1. Reif, K. (2014). Diesel Engine Management Systems and Components. Springer.

  2. Naunheimer, H., Bertsche, B., Ryborz, J., & Novak, W. (2011). Automotive Transmissions Fundamentals Selection Design and Application. Springer Vieweg.

  3. Giles, T. (2019). Automotive Engines Diagnosis Repair and Rebuilding. Cengage Learning.

  4. Jazar, R. N. (2017). Vehicle Dynamics: Theory and Application. Springer.

* 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.