4980590
Male Union
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$39.95 $47.54

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 Male Union 4980590 by Cummins is a specialized component designed for use in commercial truck systems. It serves a significant role in ensuring the efficient and reliable transfer of fluids within the truck’s system. Understanding its purpose and functionality is key to maintaining the overall performance and longevity of the vehicle.

Basic Concepts of Male Unions

A male union is a type of fitting used in fluid transfer systems to connect two pipes or components. It consists of a male threaded end that screws into a corresponding female fitting. This design allows for easy assembly and disassembly, making it ideal for systems that require regular maintenance or modifications. Male unions are commonly used in hydraulic, pneumatic, and fuel systems to ensure a secure and leak-free connection 1.

Purpose of the 4980590 Male Union

The 4980590 Male Union by Cummins is specifically designed to connect different components within a truck’s fluid transfer system. Its role is to facilitate the smooth and efficient transfer of fluids, such as fuel or hydraulic fluid, between various parts of the system. By providing a reliable connection point, it helps maintain the integrity and performance of the truck’s fluid systems 2.

Key Features

The 4980590 Male Union is constructed from high-quality materials, ensuring durability and resistance to corrosion. Its design includes precise threading to ensure a secure fit and prevent leaks. Additionally, the union may feature enhanced sealing mechanisms to further ensure the integrity of the connection. These features contribute to the overall performance and longevity of the component 3.

Benefits

Using the 4980590 Male Union offers several advantages. It improves system efficiency by providing a reliable connection that minimizes the risk of leaks. The design also enhances the reliability of the fluid transfer system, reducing the likelihood of system failures. Furthermore, the union is designed for ease of installation and maintenance, allowing for quick and straightforward assembly and disassembly when needed.

Installation Process

Installing the 4980590 Male Union requires careful attention to detail to ensure a secure and effective connection. Begin by ensuring that the mating female fitting is clean and free of debris. Apply a compatible thread sealant to the male threads to enhance the seal. Carefully screw the male union into the female fitting, ensuring that it is tightened to the manufacturer’s specified torque settings to avoid over-tightening, which could damage the threads. Finally, inspect the connection for any signs of leaks before putting the system into operation.

Troubleshooting Common Issues

Common issues with male unions include leaks and connection failures. If a leak is detected, first ensure that the union is properly tightened. If the leak persists, inspect the threads for damage and replace the union if necessary. Connection failures may be due to mismatched fittings or incorrect installation. Always verify that the male and female fittings are compatible and follow the correct installation procedures.

Maintenance Tips

Regular maintenance of the 4980590 Male Union is important to prolong its lifespan. Inspect the connection regularly for signs of wear or corrosion. Clean the fitting and threads as needed to remove any buildup that could affect the seal. If the union shows signs of significant wear or damage, consider replacing it to maintain system integrity.

Safety Considerations

When working with the 4980590 Male Union, it is important to follow safety guidelines to prevent accidents. Ensure that the system is depressurized before attempting any maintenance or installation. Use the appropriate tools and follow the manufacturer’s instructions to avoid damaging the fitting. Always wear protective equipment, such as gloves and safety glasses, when handling the component.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and a commitment to quality, Cummins has established itself as a trusted name in the automotive and heavy-duty truck industries. The company’s expertise in engine manufacturing and its dedication to advancing technology make it a reliable choice for critical components like the 4980590 Male Union 4.

Compatibility of Male Union Part 4980590 with Cummins Engines

The Male Union part 4980590, manufactured by Cummins, is a versatile component that fits a variety of Cummins engines. This part is designed to connect different sections of the engine’s fuel or coolant systems, ensuring a secure and leak-proof connection. Here is a detailed look at the compatibility of this part with various Cummins engines:

B6.7 Series Engines

  • B6.7 CM2350 B135B
  • QSB6.7 CM2250
  • QSB6.7 CM2350 B105

The Male Union part 4980590 is compatible with the B6.7 series engines, which include the B6.7 CM2350 B135B, QSB6.7 CM2250, and QSB6.7 CM2350 B105. These engines are known for their robust performance and reliability, often used in heavy-duty applications.

ISB Series Engines

  • ISB CM2150
  • ISB4.5 CM2350 B104
  • ISB6.7 CM2250
  • ISB6.7 CM2350 B101
  • ISB6.7 G CM2180 B118

The ISB series engines, including the ISB CM2150, ISB4.5 CM2350 B104, ISB6.7 CM2250, ISB6.7 CM2350 B101, and ISB6.7 G CM2180 B118, are also compatible with the Male Union part 4980590. These engines are widely used in various industries due to their efficiency and durability.

L8.9 Series Engines

  • L8.9 CM2670 L134C

The L8.9 series engine, specifically the L8.9 CM2670 L134C, is another engine that can utilize the Male Union part 4980590. This engine is known for its high power output and is often used in heavy-duty applications.

QSL9 Series Engines

  • QSL9 CM2350 L102

Lastly, the QSL9 series engine, represented by the QSL9 CM2350 L102, is also compatible with the Male Union part 4980590. This engine is designed for demanding applications where reliability and performance are critical.

By ensuring a secure connection, the Male Union part 4980590 helps maintain the integrity of the engine’s systems, contributing to the overall performance and longevity of the engine.

Role of Part 4980590 Male Union in Engine Systems

The Male Union, identified by part number 4980590, is integral to the seamless operation of various engine components. It facilitates the secure connection between different plumbing systems, ensuring efficient fluid transfer and maintaining system integrity.

Exhaust Cooler Water Outlet Tube

In the context of the Exhaust Cooler Water Outlet Tube, the Male Union ensures a reliable connection, allowing coolant to exit the exhaust cooler efficiently. This connection is vital for dissipating heat from the exhaust gases, contributing to the overall thermal management of the engine.

Exhaust Gas Recirculation Cooler

For the Exhaust Gas Recirculation (EGR) Cooler, the Male Union plays a part in connecting the cooler to the EGR system’s plumbing. This ensures that the recirculated exhaust gases are effectively cooled before being reintroduced into the combustion process, which helps in reducing emissions and improving engine efficiency.

Exhaust Recirculation Water Plumbing

Within the Exhaust Recirculation Water Plumbing system, the Male Union is used to join sections of the plumbing, facilitating the circulation of water that aids in cooling the recirculated exhaust gases. This contributes to the effectiveness of the EGR system in managing emissions.

Fuel Pump Drive

Although less commonly associated, the Male Union can also be found in the Fuel Pump Drive system where it may be used to connect fluid lines that lubricate or cool components within the drive system. This ensures the smooth operation and longevity of the fuel pump drive components.

Turbocharger Coolant Plumbing

In Turbocharger Coolant Plumbing, the Male Union is essential for connecting the coolant lines that regulate the temperature of the turbocharger. By maintaining optimal turbocharger temperature, it enhances performance and prevents overheating.

Turbocharger Plumbing

Finally, in the broader Turbocharger Plumbing system, the Male Union is utilized to connect various fluid lines that support the turbocharger’s operation. This includes connections for lubrication, cooling, and other fluids that are critical for the turbocharger’s efficiency and durability.

Overall, the Male Union (part 4980590) is a versatile component that ensures the integrity and efficiency of connections across a variety of engine systems, playing a significant role in the engine’s overall performance and reliability.

Conclusion

The 4980590 Male Union by Cummins is a critical component in the fluid transfer systems of commercial trucks. Its design and features ensure reliable and efficient fluid transfer, contributing to the overall performance and longevity of the vehicle. Proper installation, regular maintenance, and adherence to safety guidelines are essential to maximize the benefits of this part. Understanding its role and compatibility with various Cummins engines highlights its importance in maintaining the integrity of engine systems.


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

  2. Ferrari, A., & Pizzo, P. (2022). Injection Technologies: Mixture Formation Strategies. SAE International.

  3. Randall, M. (2015). Haynes Manual on Diesel Engines. Haynes Publishing.

  4. Cummins Inc. (n.d.). Fault Code Troubleshooting Manual. Bulletin Number 5612990.

SPECIFICATIONS

Notes
Superseding P/N:5402242.
Package Dimensions
1.3 x 1.0 x 1.0 in
Weight
0.13 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.