4313138
Male Union
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$144.95 $172.49

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 4313138 Male Union is a component designed for use in commercial truck systems. It serves a specific function within the fluid transfer mechanisms of these vehicles, contributing to the overall efficiency and reliability of the truck’s operations. Understanding its purpose and significance is fundamental for maintaining and optimizing truck performance.

Basic Concepts of Male Unions

A male union is a type of fitting used in fluid systems to connect two pipes or hoses. It consists of a male threaded end that screws into a corresponding female fitting, providing a secure and leak-proof connection. Male unions are commonly employed in automotive and industrial applications where fluid transfer is necessary, such as in fuel lines, hydraulic systems, and coolant circuits. They are valued for their ease of assembly and disassembly, which facilitates maintenance and repair processes 1.

Purpose of the Cummins 4313138 Male Union

This Cummins part plays a role in the fluid transfer system of a truck by connecting various components within the system. Its function is to ensure a secure and reliable connection between pipes or hoses, allowing for the efficient transfer of fluids such as fuel, hydraulic fluid, or coolant. This connection is vital for the proper operation of the truck, as it ensures that fluids are delivered to their intended destinations without leakage or interruption 2.

Key Features

The 4313138 Male Union is characterized by several key features that enhance its performance and reliability. These include its material composition, typically made from durable metals to withstand high pressure and temperature, its thread type, which ensures a tight and secure fit, and its connection specifications, which are designed to match standard fittings in truck systems. These features contribute to the union’s ability to perform under demanding conditions 3.

Benefits

Utilizing this Cummins part offers several advantages. Its durable construction ensures long-term reliability, reducing the need for frequent replacements. The design of the union facilitates ease of installation, allowing for quick connections and disconnections as needed. Additionally, its reliability in harsh conditions makes it suitable for use in commercial trucks, where exposure to extreme temperatures, vibrations, and other challenging environments is common 4.

Installation Process

Installing the 4313138 Male Union requires careful attention to detail to ensure a secure and leak-proof connection. The process involves cleaning the mating surfaces, applying thread sealant if necessary, and using the appropriate tools to tighten the union to the specified torque. It is important to follow manufacturer guidelines to avoid over-tightening, which can damage the threads, or under-tightening, which can lead to leaks.

Common Applications

This part finds application in various truck systems, including fuel lines, where it ensures the safe and efficient transfer of fuel; hydraulic systems, where it contributes to the operation of brakes, steering, and other hydraulic components; and coolant circuits, where it plays a role in maintaining engine temperature. Its versatility makes it a valuable component across different truck models and systems.

Troubleshooting and Maintenance

Maintaining the 4313138 Male Union involves regular inspection for signs of wear, corrosion, or damage. Common issues such as leaks can often be traced to thread damage or improper installation. Addressing these issues promptly by repairing or replacing the union as needed helps ensure the continued reliability of the truck’s fluid transfer systems. Additionally, applying corrosion-resistant coatings can extend the lifespan of the union in harsh environments.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the automotive and industrial sectors. The company’s extensive product range and commitment to customer satisfaction make it a preferred choice for commercial truck operators and manufacturers alike.

Compatibility with QSK95 Engines

The 4313138 Male Union is designed to integrate seamlessly with the QSK95 series engines, specifically the QSK95 CM2350 K111 and QSK95 CM2350 K113 models. This part is integral to the engine’s fuel system, ensuring proper connection and sealing where fuel lines interface with the engine.

In the QSK95 CM2350 K111 and QSK95 CM2350 K113 engines, the Male Union is utilized in configurations where it connects male-threaded fuel lines to the engine’s fuel system. Its robust construction and precise fitment are critical for maintaining the integrity of the fuel delivery system, preventing leaks, and ensuring consistent engine performance.

The compatibility of the Cummins Male Union with these engines is a testament to Cummins’ commitment to providing high-quality, reliable parts that meet the stringent demands of heavy-duty applications. This part is engineered to withstand the operational stresses of the QSK95 series, ensuring longevity and reliability in demanding environments.

Role of Part 4313138 Male Union in Engine Systems

The 4313138 Male Union is a component in various engine systems, facilitating the secure connection between different sections of the engine’s fluid pathways. Its primary function is to ensure a leak-proof and robust connection, which is vital for maintaining the integrity of the engine’s operation.

Integration with Engine Components

Location Systems

In location systems, the 4313138 Male Union is often used to connect sensors and monitoring devices to the engine’s fluid lines. This connection allows for precise measurement and control of fluid flow, ensuring that the engine operates within optimal parameters. The Male Union’s design provides a stable and reliable link, which is necessary for the accurate transmission of data from sensors to the engine control unit (ECU).

Drain Systems

In drain systems, the 4313138 Male Union plays a significant role in connecting drain valves to the engine’s fluid lines. This connection is essential for the efficient removal of contaminants and old fluid from the system. The Male Union ensures that the drain process is smooth and free from leaks, which is important for maintaining the cleanliness and performance of the engine. Additionally, it allows for easy access and maintenance, reducing downtime and improving overall engine reliability.

By integrating the 4313138 Male Union into these systems, engineers and mechanics can ensure that the engine’s fluid pathways are secure, efficient, and reliable. This component’s role in maintaining the integrity of these connections is fundamental to the engine’s performance and longevity.

Conclusion

The Cummins 4313138 Male Union is a critical component in the fluid transfer systems of commercial trucks, offering durability, ease of installation, and reliability in harsh conditions. Its compatibility with QSK95 engines and integration into various engine systems underscore its importance in maintaining the efficiency and performance of truck operations.


  1. Kasab, J., & Strzelec, A. (2020). Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International.

  2. Bari, S. (2013). Diesel Engine Combustion, Emissions and Condition Monitoring. InTech.

  3. Majewski, A., & Jaskelainen, H. (2023). Diesel Emissions and Their Control: Second Edition. SAE International.

  4. Boyce, M. P. (2002). Gas Turbine Engineering Handbook, Second Edition. Gulf Professional Publishing.

SPECIFICATIONS

Package Dimensions
2.38 x 2.38 x 2.88 in
Weight
0.56 lb
* 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.