3406907
Male Union
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$23.95 $28.50

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 Fitting 3406907, manufactured by Cummins, is a component designed for use in commercial trucks. It plays a role in the fluid systems that are integral to the operation and maintenance of these vehicles 1.

Basic Concepts of Male Union Fittings

A Male Union Fitting is a type of pipe fitting that consists of a male threaded end and a union nut. It is used to connect two pipes or a pipe to another fitting, allowing for the transfer of fluids such as oil, fuel, or coolant. The union feature allows for easy disassembly without the need for special tools, which is particularly useful in maintenance and repair scenarios 2.

Role of the 3406907 Male Union Fitting in Truck Operations

This Cummins part is positioned within the truck’s fluid systems, where it connects various components and facilitates the flow of fluids. Its placement is strategic, ensuring that it can withstand the pressures and temperatures associated with truck operations. By providing a secure and reliable connection, it contributes to the overall performance and longevity of the truck’s systems 3.

Key Features of the 3406907 Male Union Fitting

The 3406907 Male Union Fitting is characterized by several key features that enhance its performance and durability. These include its material composition, which is designed to resist corrosion and wear, and its thread size, which ensures a proper fit within the system. Additionally, it has a specified pressure rating that indicates its capability to handle the pressures exerted within the fluid system. The design of the fitting also includes features that facilitate easy installation and removal, which is beneficial during maintenance procedures 1.

Benefits of Using the 3406907 Male Union Fitting

Utilizing this part offers several advantages. It contributes to improved system integrity by providing a secure connection that minimizes the risk of leaks. The ease of installation and removal is another benefit, as it simplifies maintenance tasks. Furthermore, the fitting’s design and material properties enhance the overall efficiency of the fluid system by ensuring consistent fluid flow and reducing the likelihood of system failures 2.

Installation and Usage Guidelines

Proper installation of the 3406907 Male Union Fitting involves several steps to ensure it functions correctly within the system. Preparation of the fitting surfaces is crucial to achieve a leak-free connection. Torque specifications provided by the manufacturer should be followed to secure the fitting without over-tightening, which could damage the threads. Safety precautions, such as wearing protective equipment and ensuring the system is depressurized before installation, are also important to consider 3.

Maintenance and Troubleshooting

Regular maintenance of the 3406907 Male Union Fitting is necessary to ensure its continued performance. This includes checking for signs of wear or corrosion and ensuring that all connections are tight. Common issues such as leaks or corrosion can often be identified through visual inspection and should be addressed promptly to prevent further damage. Troubleshooting steps may involve cleaning the fitting, applying a thread sealant, or replacing the fitting if necessary 1.

Compatibility and Application Notes

This Cummins part is typically used within Cummins engines and other commercial truck systems. It is compatible with a range of models and systems, where it is commonly employed to connect fluid lines and components. Its application is widespread in the commercial truck industry, where it is valued for its reliability and ease of use 2.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a range of engines, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial vehicle industry. The company’s commitment to excellence is reflected in its product range, which includes engines, filtration systems, and aftermarket parts designed to meet the demanding requirements of commercial applications 3.

Male Union Fitting 3406907 Compatibility with Cummins Engines

The Male Union Fitting part number 3406907, manufactured by Cummins, is designed to integrate seamlessly with several of their engine models. This fitting is crucial for ensuring proper fluid flow and connection integrity within the engine’s system.

ISM CM570 and ISM CM570/870

The ISM CM570 and ISM CM570/870 engines benefit from the Male Union Fitting 3406907 in maintaining the structural integrity of their fluid systems. This fitting is particularly important in areas where connections need to be both secure and easily detachable for maintenance purposes.

ISM CM876 and ISM11 CM876 SN

For the ISM CM876 and ISM11 CM876 SN engines, the Male Union Fitting 3406907 plays a pivotal role in the engine’s cooling and lubrication systems. Its design ensures that connections are robust and can withstand the operational stresses of these engines.

QSM11 CM570

The QSM11 CM570 engine also utilizes the Male Union Fitting 3406907. This fitting is essential for the efficient operation of the engine’s fluid systems, providing a reliable connection point that is both durable and easy to service.

Role of Part 3406907 Male Union Fitting in Engine Systems

The 3406907 Male Union Fitting is an essential component in various engine systems, facilitating the secure connection of different parts and ensuring the efficient transfer of fluids or gases. Its application spans across several key components, enhancing their functionality and reliability.

Brake Systems

In brake systems, the 3406907 Male Union Fitting is utilized to connect brake lines, ensuring a leak-free and robust connection. This fitting helps maintain consistent brake fluid pressure, which is vital for the proper operation of the braking mechanism. By providing a secure interface between different sections of the brake line, it contributes to the overall safety and performance of the vehicle’s braking system.

Engine Systems

Within engine systems, the 3406907 Male Union Fitting plays a significant role in connecting various fluid lines, such as oil, coolant, and fuel lines. Its reliable connection ensures that these fluids are delivered efficiently to their respective components, maintaining optimal engine performance. The fitting’s design prevents leaks and ensures that the fluid pressure remains consistent, which is essential for the engine’s longevity and efficiency.

Engine Brake 411 D 12 / 24 V Kit

In the Engine Brake 411 D 12 / 24 V Kit, the 3406907 Male Union Fitting is used to connect the air and fluid lines that are integral to the operation of the engine brake system. This fitting ensures that the connections are secure and leak-free, allowing the engine brake to function effectively. The reliable connection provided by this fitting is essential for the precise control of the engine brake, enhancing the vehicle’s overall performance and safety.

Engine Brake 411 E Kit

Similarly, in the Engine Brake 411 E Kit, the 3406907 Male Union Fitting is employed to connect critical fluid and air lines. Its role in ensuring a secure and leak-free connection is paramount for the efficient operation of the engine brake system. This fitting helps maintain the integrity of the system, allowing for consistent and reliable performance of the engine brake.

Engine Brake Kit

In a general Engine Brake Kit, the 3406907 Male Union Fitting is utilized to connect various components within the system. Its application ensures that all connections are secure, preventing leaks and maintaining consistent fluid or air pressure. This fitting is instrumental in the reliable operation of the engine brake, contributing to the vehicle’s overall performance and safety.

Conclusion

The 3406907 Male Union Fitting by Cummins is a critical component in the fluid systems of commercial trucks and engines. Its design and features ensure secure, leak-free connections that are essential for the efficient operation and maintenance of these systems. Proper installation, regular maintenance, and understanding its compatibility with various engine models are key to maximizing the benefits of this fitting.


  1. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  2. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

  3. Khajepour, Amir. Synthesis Lectures on Advances in Automotive Technology. Springer, 2023.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.1 x 0.9 x 0.75 in
Weight
0.05 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.