3090400
Male Union
Cummins®

Introduction

The Male Union 3090400 is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This part is designed for use in commercial truck systems, where it serves a specific function within the fluid systems of these vehicles. Understanding its role and features can provide valuable insights into its importance and application in truck maintenance and operation ¹.

Basic Concepts of Male Unions

A male union is a type of fitting used in fluid systems to connect two pipes or components. It typically consists of a male threaded end that screws into a corresponding female fitting. This design allows for easy assembly and disassembly, making it a popular choice for systems that require regular maintenance or modifications. In commercial trucks, male unions are commonly used in fuel, hydraulic, and coolant systems to ensure secure and leak-free connections between various components ².

Role of the 3090400 Male Union in Truck Operation

The 3090400 Male Union plays a role in the operation of a truck by facilitating the connection between different components of the fluid system. It ensures that fluids can flow smoothly and efficiently between parts, which is vital for the proper functioning of the truck’s systems. By providing a secure and reliable connection, this male union helps maintain the integrity of the fluid system, contributing to the overall performance and reliability of the vehicle ³.

Key Features

The 3090400 Male Union is characterized by several key 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, minimizing the risk of leaks. Additionally, it may feature unique elements such as reinforced connections or specialized coatings to further improve its functionality in demanding environments.

Benefits

The use of the 3090400 Male Union offers several benefits to truck operators and maintenance personnel. Its design contributes to improved system efficiency by ensuring a secure and leak-free connection. The durability of the materials used means it can withstand the rigors of commercial truck operation, reducing the need for frequent replacements. Furthermore, the ease of installation and removal makes it a practical choice for maintenance tasks, saving time and effort.

Troubleshooting and Maintenance

Common issues with the 3090400 Male Union may include leaks or difficulty in connecting or disconnecting the fitting. Troubleshooting these problems often involves checking for proper alignment and ensuring that the threads are clean and undamaged. Regular maintenance, such as inspecting for signs of wear or corrosion and tightening connections as needed, can help ensure the longevity and optimal performance of the male union.

About Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation among professionals and enthusiasts alike. Their dedication to advancing technology and meeting the needs of their customers underscores their position as a leader in the field.

Cummins Male Union 3090400 Compatibility

The Cummins Male Union part number 3090400 is a versatile component designed to fit a variety of Cummins engines. Below is a detailed breakdown of the engines with which this part is compatible:

ISB Series

• ISB CM2150
• ISB CM850
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISX CM570
• ISX CM870
• ISX CM871
• ISX12 CM2350 X102
• ISX12 G CM2180 EJ
• ISX12/ISX11.9 CM2250
• ISX15 CM2250
• ISX15 CM2250 SN
• ISX15 CM2350 X101
• ISZ13 CM2150 Z105

ISG Series

• ISG11 CM2880 G108
• ISG12 CM2880 G107

KTA Series

• KTA19GC
• KTA19GC CM558

Other Series

• 15N CM2380 M104B
• 6B5.9
• B5.6 CM2670 B152B
• B6.7 CM2670 B153B
• GTA38 G CMEICS G116C
• QSG12 CM2880 G112

This Male Union part is engineered to ensure a secure and reliable connection in various engine configurations, making it an essential component for maintenance and repair across multiple Cummins engine models.

Role of Part 3090400 Male Union in Engine Systems

The part 3090400 Male Union is an essential component in various engine systems, facilitating the connection and secure flow of fluids and gases between different parts. Its applications span across multiple subsystems, ensuring efficient operation and maintenance of the engine.

Turbocharger Systems

In turbocharger applications, the Male Union is utilized in the turbocharger plumbing to connect the turbocharger oil supply plumbing and turbocharger oil supply mounting. This ensures a reliable oil flow to the turbocharger, which is vital for lubrication and cooling. Additionally, it is used in the turbocharger coolant plumbing to manage the coolant flow, maintaining optimal turbocharger temperature.

Fuel Systems

Within the fuel systems, the Male Union plays a role in the fuel drain plumbing and fuel filter head, ensuring that fuel lines are securely connected. This is important for maintaining fuel integrity and preventing leaks. It also connects to the fuel pump and fuel control module, facilitating smooth fuel delivery to the engine.

Lubrication Systems

For the lubrication systems, the Male Union is employed in the lube oil filter head and lubricating oil filter head kit. It ensures that oil lines are properly connected, allowing for efficient filtration and distribution of lubricating oil throughout the engine. Additionally, it is used in the lubricating oil cooler and lubricating oil cooler module to maintain consistent oil temperature.

Cooling Systems

In cooling systems, the Male Union is part of the engine coolant vent and engine oil cooler connections. This helps in managing the flow of coolant and oil, ensuring that the engine operates within safe temperature ranges.

Charge Air and Exhaust Systems

The Male Union is also found in the charge air bypass arrangement and exhaust outlet connection. In the charge air system, it ensures that air flows smoothly to the turbocharger, while in the exhaust system, it helps in securely connecting the exhaust components, reducing the risk of leaks and improving overall engine performance.

Additional Applications

Other notable applications include the cylinder block, where it aids in connecting various fluid lines, and the front gear housing, ensuring that all connections are secure and leak-free. It also plays a role in the engine control module plumbing, facilitating the connection of sensors and control lines to the engine control module.

Overall, the part 3090400 Male Union is a versatile component that enhances the reliability and efficiency of various engine systems by ensuring secure and leak-free connections.

Conclusion

The 3090400 Male Union by Cummins is a critical component in the fluid systems of commercial trucks and various engine configurations. Its design and features ensure secure, leak-free connections, contributing to the overall efficiency and reliability of the vehicle. Understanding its role and benefits can aid in effective maintenance and operation of Cummins-powered trucks and engines.