3628522
Male Union
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$86.95 $103.47

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 3628522 Male Union is a component designed for use in commercial truck systems. It serves a specific function within the truck’s fluid systems, facilitating the connection between various components. Understanding its purpose and role is fundamental for maintaining and optimizing the performance of commercial trucks.

Basic Concepts of Male Unions

A male union is a type of fitting used in piping and fluid systems to connect two sections of pipe or other components. It typically consists of a male threaded end that screws into a corresponding female fitting. In the automotive industry, male unions are utilized for their reliability and ease of assembly and disassembly, making them suitable for applications where frequent maintenance or adjustments are required 1.

Purpose of the Cummins 3628522 Male Union

This Cummins part plays a role in the operation of commercial trucks by connecting different components within the truck’s fluid systems. It ensures a secure and leak-proof connection, which is vital for the efficient transfer of fluids such as coolant, fuel, or hydraulic fluid. This connection is integral to the overall functionality and reliability of the truck’s systems 2.

Key Features

The Cummins 3628522 Male Union is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials, typically metals such as brass or stainless steel, which provide resistance to corrosion and high pressure. The design includes precise threading to ensure a tight seal, and it may feature additional elements like gaskets or O-rings to further prevent leaks. These characteristics contribute to the union’s ability to withstand the demanding conditions of commercial truck operations 3.

Benefits

This part offers several benefits that contribute to improved system efficiency and reliability. Its secure connection helps maintain consistent fluid flow, which is crucial for the optimal operation of the truck’s systems. Additionally, the ease of installation and removal facilitates maintenance procedures, reducing downtime and enhancing the overall efficiency of fleet management.

Installation Process

Proper installation of this part involves several steps to ensure a secure and leak-proof connection. Begin by ensuring that the mating female fitting is clean and free of debris. Apply a compatible thread sealant to the male threads of the union. Carefully screw the male union into the female fitting, using a wrench to tighten it to the manufacturer’s specified torque. It is important to avoid over-tightening, which can damage the threads or the fitting. Finally, inspect the connection for any signs of leakage.

Troubleshooting Common Issues

Common problems with this Cummins part may include leaks, difficulty in installation or removal, or corrosion. To address leaks, first, ensure that the union is properly tightened and that the thread sealant is correctly applied. If the issue persists, inspect the fitting for damage or wear that may require replacement. Difficulty in installation or removal can often be resolved by using the appropriate tools and applying steady, even pressure. Corrosion can be mitigated by selecting unions made from corrosion-resistant materials and by regularly inspecting and maintaining the fittings.

Maintenance Tips

Regular maintenance of this part is important for ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear, corrosion, or leaks. Cleaning the fittings and applying fresh thread sealant during maintenance intervals can help prevent issues. Additionally, following the manufacturer’s guidelines for torque specifications during installation will contribute to the union’s reliability.

Safety Considerations

When working with this part, it is important to follow safety guidelines to prevent injury and ensure proper installation. Use the appropriate personal protective equipment, such as gloves and safety glasses, when handling the fitting. Ensure that the truck’s systems are depressurized before beginning any work to avoid accidental fluid release. Follow the manufacturer’s instructions for torque specifications to avoid over-tightening, which can lead to damage.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and fluid systems. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the commercial truck industry. Their product range includes components and systems designed to enhance the performance, efficiency, and durability of commercial vehicles.

Cummins Male Union 3628522 Compatibility with Engine Models

The Cummins Male Union part number 3628522 is a versatile component designed to fit seamlessly with various engine models. This part is integral to the engine’s fuel system, ensuring proper connection and flow of fuel. Below is a detailed description of its compatibility with the listed engine models:

Cummins K Series Engines

  • K38
  • K50

The Male Union 3628522 is compatible with the Cummins K38 and K50 engines. These engines are known for their robust design and reliability, often used in heavy-duty applications. The Male Union ensures a secure connection in the fuel system, facilitating efficient fuel delivery and maintaining system integrity.

Cummins QSK Series Engines

  • QSK38 CM2150 MCRS
  • QSK45 CM500
  • QSK50 CM2150 MCRS
  • QSK50 CM2350 K108
  • QSK60 CM500

The Cummins QSK series engines, including the QSK38, QSK45, QSK50, and QSK60 models, are equipped with the Male Union 3628522. This part is crucial for these engines, which are designed for high-performance applications such as marine and power generation. The Male Union ensures that the fuel system components are securely connected, preventing leaks and maintaining optimal fuel flow.

The compatibility of the Male Union 3628522 with these engines underscores its importance in maintaining the efficiency and reliability of the fuel system. Whether used in the K series or QSK series engines, this part plays a critical role in ensuring the engine operates smoothly and efficiently.

Role of Part 3628522 Male Union in Engine Systems

The Part 3628522 Male Union is an essential component in various engine systems, facilitating the secure and efficient connection between different parts. Its application spans across several critical areas, ensuring the seamless operation of the engine.

Fuel Supply System

In the fuel supply system, the Male Union is utilized to connect the fuel tubing to the injectors. This connection ensures a leak-free pathway for fuel delivery, maintaining consistent fuel pressure and flow to the injectors. The secure fitting provided by the Male Union is vital for the precise fuel metering required for optimal engine performance.

Oil System

Within the oil system, the Male Union plays a significant role in connecting the oil manifold to the oil control valve and oil transfer connection. This ensures that oil is distributed evenly throughout the engine, lubricating moving parts such as the camshaft, camshaft and gear, and cylinder head. Proper lubrication is essential for reducing friction and wear, contributing to the longevity and efficiency of the engine.

Air System

In the air system, the Male Union is used to connect the air compressor to the aftercooler core. This connection is crucial for maintaining the integrity of the air supply, ensuring that cool, dense air is delivered to the combustion chambers. Efficient air supply is fundamental for achieving optimal combustion and engine performance.

Cooling System

The Male Union also finds its application in the cooling system, where it connects the drive to the fan and protective cover. This ensures that the cooling system operates efficiently, maintaining the engine’s temperature within safe limits. Proper cooling is essential for preventing overheating and ensuring the engine’s reliability.

Performance Parts

In performance parts, the Male Union is often used to connect various high-performance components, such as upgraded injectors or fuel supply plumbing. These connections are designed to handle increased fuel flow and pressure, supporting the enhanced performance capabilities of the engine.

The Part 3628522 Male Union, through its versatile applications, ensures the reliable and efficient operation of various engine systems. Its role in securing connections and maintaining system integrity is indispensable for the overall performance and durability of the engine.

Conclusion

The Cummins 3628522 Male Union is a critical component in the fluid systems of commercial trucks, ensuring secure and leak-proof connections between various components. Its high-quality construction, precise threading, and ease of maintenance contribute to the efficient and reliable operation of the truck’s systems. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the performance and longevity of this part.


  1. Bennett, Sean. Modern Diesel Technology Light Duty Diesels. Cengage Learning, 2012.

  2. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing Limited, 2011.

  3. Parikyan, Tigran Ed. Advances in Engine and Powertrain Research and Technology. Springer Nature, 2022.

SPECIFICATIONS

Service Part Topic
97T6-7
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.8 x 2.2 x 2.2 in
Weight
0.064 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.