4927974
Male Union
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$199.95 $237.94

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 Male Union 4927974, a component produced by Cummins, is designed for use in heavy-duty truck systems. This part is integral to the fluid systems within these vehicles, ensuring the efficient transfer of fluids such as coolant, oil, and fuel. Its role is significant in maintaining the operational integrity and performance of the truck’s engine and ancillary systems.

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, creating a secure and leak-proof connection. Male unions are widely used in automotive and industrial applications due to their ease of assembly and disassembly, which facilitates maintenance and repair processes 1.

Purpose of the 4927974 Male Union

The 4927974 Male Union serves a specific function within the fluid systems of a truck. It is designed to connect various components, ensuring the smooth and uninterrupted flow of fluids. This part plays a role in maintaining system pressure, preventing leaks, and allowing for easy disconnection when maintenance or repairs are required 2.

Key Features

The 4927974 Male Union is characterized by several primary features that enhance its performance and durability. It is constructed from high-quality materials, ensuring resistance to corrosion and wear. The design includes precise threading to ensure a tight seal, and it may feature additional elements such as gaskets or O-rings to further prevent leaks. These attributes contribute to the union’s reliability and longevity in demanding environments 3.

Benefits of Using the 4927974 Male Union

Incorporating the 4927974 Male Union into a truck’s fluid system offers several advantages. It contributes to improved system efficiency by ensuring a secure and leak-free connection. The design of the union also enhances the reliability of the fluid system, reducing the likelihood of unexpected failures. Additionally, the ease of installation and removal simplifies maintenance procedures, allowing for quicker repairs and reduced downtime.

Installation and Usage

Proper installation of the 4927974 Male Union is crucial for optimal performance and longevity. The installation process involves threading the male end into the corresponding female fitting until a secure connection is achieved. It is important to follow manufacturer guidelines to ensure the correct torque is applied, avoiding over-tightening which could damage the fitting, or under-tightening which could lead to leaks.

Troubleshooting Common Issues

Frequent problems associated with male unions can include leaks, difficulty in disconnection, and corrosion. Leaks may be caused by improper installation, damaged gaskets, or O-rings, and can often be resolved by re-tightening the connection or replacing worn components. Difficulty in disconnection may be due to over-tightening or corrosion, which can be addressed by using appropriate tools and techniques to loosen the fitting. Corrosion can be mitigated through regular inspection and the use of corrosion-resistant materials.

Maintenance Tips

To ensure the longevity and reliable operation of the 4927974 Male Union, routine checks and maintenance practices are recommended. This includes regular inspection for signs of wear, corrosion, or leaks, and the replacement of gaskets or O-rings as necessary. Additionally, ensuring that the connection is properly tightened during installation will help prevent leaks and maintain system integrity.

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 spanning over a century, Cummins is committed to innovation and quality, offering a wide range of products for automotive, industrial, and power generation applications. The company’s dedication to excellence is evident in its extensive product range and its continuous pursuit of technological advancements.

Compatibility of Male Union Part 4927974 with Cummins Engines

The Male Union part 4927974, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engines. This part is integral to the engine’s fuel system, ensuring proper connection and flow of fuel. Below is a detailed look at the compatibility of this part with specific Cummins engines:

QSK19 Series

  • QSK19 CM2350 K105
  • QSK19 CM2350 K114
  • QSK19 CM850 MCRS

The Male Union part 4927974 is compatible with the QSK19 series engines, ensuring a secure and reliable connection in the fuel system. This compatibility is crucial for maintaining the integrity of the fuel delivery system, which is essential for the engine’s performance and longevity.

QSK38 Series

  • QSK38 CM2150 MCRS
  • QSK38 CM850 MCRS

For the QSK38 series engines, the Male Union part 4927974 is also a perfect fit. This part ensures that the fuel system components are properly connected, which is vital for the efficient operation of these engines.

QSK50 Series

  • QSK50 CM2150 MCRS
  • QSK50 CM2350 K108

The QSK50 series engines also benefit from the Male Union part 4927974. This part is designed to integrate smoothly with the fuel system of these engines, providing a reliable connection that is essential for optimal engine performance.

QSK60 Series

  • QSK60 CM850 MCRS

Lastly, the Male Union part 4927974 is compatible with the QSK60 series engines. This compatibility ensures that the fuel system components are securely connected, which is crucial for the efficient and reliable operation of these engines.

By ensuring that the Male Union part 4927974 is used with the appropriate Cummins engines, users can maintain the integrity of their fuel systems and ensure that their engines operate at peak performance.

Understanding the Integration of Part 4927974 Male Union in Engine Systems

The part 4927974 Male Union is a specialized fitting designed to facilitate secure and efficient connections within various engine systems. Its role is significant in ensuring the integrity and functionality of the fuel delivery and management components.

Role in Fuel Plumbing

In the context of fuel plumbing, the Male Union serves as a pivotal connection point. It allows for the seamless integration of different sections of the fuel lines, ensuring that there are no leaks or disruptions in the fuel flow. This is particularly important in high-pressure fuel systems where any inconsistency can lead to performance issues or safety concerns.

Interaction with Fuel Inlet and Fuel Pump

When connecting to the fuel inlet of the fuel pump, the Male Union ensures a tight and reliable seal. This is essential for maintaining the correct fuel pressure required by the fuel pump to operate efficiently. The secure connection prevents any fuel leakage, which could otherwise affect the pump’s performance and the overall fuel delivery system.

Integration with Fuel Filter Plumbing

In fuel filter plumbing, the Male Union plays a role in connecting the fuel lines to the fuel filter. This ensures that the fuel passing through the filter is clean and free from contaminants, which is vital for the longevity and performance of the engine. The Male Union’s design allows for easy disassembly and reassembly, facilitating regular maintenance and filter changes.

Application in Drain Systems

Within drain systems, the Male Union is used to connect drain lines, ensuring that any excess fuel or contaminants are effectively removed from the system. This helps in maintaining the cleanliness and efficiency of the fuel system, preventing buildup that could lead to blockages or reduced performance.

Overall Functionality in Engine Systems

Overall, the part 4927974 Male Union is an integral component in the plumbing of engine systems. It ensures that all connections are secure, leak-free, and capable of withstanding the pressures and conditions within the engine. Its application across various components like the fuel inlet, fuel pump, fuel filter, and drain systems underscores its versatility and importance in maintaining the overall health and performance of the engine.

Conclusion

The 4927974 Male Union by Cummins is a critical component in the fluid systems of heavy-duty trucks, ensuring efficient and secure connections across various engine components. Its compatibility with a range of Cummins engines highlights its versatility and importance in maintaining engine performance and longevity. Proper installation, regular maintenance, and understanding its role within the engine system are essential for maximizing the benefits of this part.


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

  2. Lakshminarayanan, P. A., & Agarwal, A. K. (2019). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer.

  3. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing.

SPECIFICATIONS

Package Dimensions
7.0 x 6.5 x 4.0 in
Weight
0.211 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.