4078975
Male Union
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$42.95 $51.11

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 4078975 Male Union is a component designed for use in commercial truck systems. It serves a specific function within the truck’s fluid systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance can help in maintaining and optimizing the performance of commercial trucks.

Basic Concepts of Male Unions

A male union is a type of fitting used in fluid systems to connect two pipes or components. It consists of a male threaded end that screws into a corresponding female fitting. Male unions are commonly used in automotive and industrial applications due to their ease of assembly and disassembly, which facilitates maintenance and repairs. They ensure a secure and leak-proof connection, which is vital for the proper functioning of fluid systems 1.

Purpose of the Cummins 4078975 Male Union

This Cummins part plays a role in connecting different components within a truck’s fluid systems. It is specifically designed to ensure a reliable and secure connection, which is important for maintaining the integrity of the system. By facilitating the transfer of fluids between components, it contributes to the efficient operation of the truck.

Key Features

The Cummins 4078975 Male Union is constructed from high-quality materials, ensuring durability and resistance to corrosion. Its design includes precise threading and a robust construction, which enhances its performance under various operating conditions. These features contribute to its reliability and longevity in commercial truck applications 2.

Benefits

Using this part offers several advantages. It improves system efficiency by ensuring a secure and leak-proof connection. The design of the union also contributes to the reliability of the fluid system, reducing the likelihood of failures. Additionally, its ease of installation and maintenance makes it a practical choice for commercial truck applications.

Installation Considerations

When installing the Cummins 4078975 Male Union, it is important to follow guidelines to ensure a proper fit. This includes using the necessary tools to achieve the correct torque and avoiding over-tightening, which can damage the fitting. Proper installation is key to maintaining the integrity of the fluid system and ensuring the union functions as intended 3.

Troubleshooting and Maintenance

Common issues with the Cummins 4078975 Male Union may include leaks or difficulty in disassembly. Diagnostic steps for identifying problems involve checking for proper installation and ensuring there is no damage to the fitting. Regular maintenance, such as inspecting for signs of wear and ensuring connections are tight, can help prolong the component’s lifespan.

Compatibility and Usage

This part is designed for use in various truck models and systems. It is important to consider specific applications and ensure compatibility with the truck’s fluid system. Understanding the typical applications and any specific considerations for different usage scenarios can help in selecting the appropriate component for the job.

Safety Considerations

When handling and working with the Cummins 4078975 Male Union, it is important to follow safety guidelines. This includes taking precautions during installation, maintenance, and repair to avoid injuries and ensure the safe operation of the truck’s fluid system. Proper handling and adherence to safety protocols are crucial for the well-being of personnel and the reliability of the vehicle.

Cummins Overview

Cummins Inc. is a well-established company with a history of providing high-quality products for the commercial truck industry. Their product range includes a variety of components designed to enhance the performance and reliability of commercial vehicles. Cummins is recognized for its commitment to innovation and excellence in the automotive and industrial sectors.

Cummins Male Union 4078975 Compatibility

The Cummins Male Union part number 4078975 is designed to fit seamlessly with a variety of Cummins engines, ensuring robust and reliable performance. This part is integral to the engine’s fuel system, facilitating the connection between different fuel lines and components.

QSM11 Engines

For the QSM11 engine series, the Male Union 4078975 is a critical component that ensures proper fuel delivery and system integrity. Its design allows for secure connections, minimizing the risk of leaks and ensuring consistent engine performance.

CM570 Engines

Similarly, in the CM570 engine series, the Male Union 4078975 plays a vital role in maintaining the fuel system’s efficiency. This part’s precision engineering guarantees that it fits perfectly with the engine’s specifications, providing a reliable connection point for fuel lines.

Grouping of Engines

The compatibility of the Cummins Male Union 4078975 with both the QSM11 and CM570 engines highlights its versatility and importance in maintaining the integrity of the fuel system across different engine models. This part’s design ensures that it can be used interchangeably in these engine series, providing a standardized solution for fuel system connections.

Role of Part 4078975 Male Union in Engine Systems

The part 4078975 Male Union is an essential component in the assembly and functionality of various engine systems. It facilitates the secure connection between different segments of the engine’s fluid pathways, ensuring seamless operation and efficiency.

Integration with Filters

In filtration systems, the Male Union plays a significant role by connecting the filter housing to the engine’s oil passages. This connection is vital for maintaining the integrity of the filtration process, allowing clean oil to circulate through the engine while trapping contaminants. The secure fit provided by the Male Union prevents leaks and ensures that the filtration system operates at optimal efficiency.

Full Flow Oil Systems

Within full flow oil systems, the Male Union is used to join the oil filter to the engine block or oil gallery. This connection is fundamental for the continuous flow of oil through the filter, which is necessary for lubricating moving parts and reducing wear. The Male Union’s design ensures a tight seal, which is essential for maintaining oil pressure and preventing any bypass of unfiltered oil.

Packaged Engine Systems

In packaged engine systems, where components are pre-assembled for ease of installation, the Male Union is often included to simplify the connection process between the oil filter and the engine. This pre-packaged approach reduces installation time and enhances the reliability of the connections, contributing to the overall performance and longevity of the engine.

Product Installation

During the installation of engine components, the Male Union is a key element that ensures all connections are secure and leak-free. Its role in product installation cannot be overstated, as it directly impacts the engine’s ability to maintain proper oil levels and pressure. Engineers and mechanics rely on the Male Union to create a robust and durable connection that withstands the operational stresses of the engine environment.

Conclusion

The Cummins 4078975 Male Union is a critical component in the maintenance and operation of commercial truck fluid systems. Its design, features, and compatibility with various engine models make it a reliable and efficient choice for ensuring the integrity and performance of these systems. Proper installation, maintenance, and adherence to safety guidelines are essential for maximizing the benefits of this part.


  1. Reif, K. (2015). Automotive Mechatronics. Springer Vieweg.

  2. Calder, N. (2007). Diesel Engine Care and Repair. The McGraw-Hill Companies.

  3. Hilgers, M. (2023). Electrical Systems and Mechatronics, Second Edition. Springer Vieweg.

SPECIFICATIONS

Package Dimensions
3.6 x 2.5 x 2.5 in
Weight
0.88 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.