4928703
Male Union
Cummins®

The Cummins 4928703 Male Union is a component designed for use in commercial truck systems. It plays a role in maintaining efficient fluid transfer across various systems within the vehicle. Understanding its function and importance can help in ensuring the optimal performance and longevity of the truck’s fluid systems.

Basic Concepts of Male Unions

A male union is a type of fitting used in fluid systems to connect two pipes or hoses. It consists of a male threaded end that screws into a corresponding female fitting. The union allows for easy disassembly and reassembly of the connection, which is particularly useful for maintenance and repair purposes. The general principle of operation involves creating a secure, leak-proof seal between the connected components, ensuring efficient fluid transfer ¹.

Purpose of the 4928703 Male Union

This Cummins part is specifically designed to facilitate the connection of fluid lines in commercial trucks. It is commonly used in systems such as fuel, hydraulic, and coolant lines. By providing a reliable connection point, it ensures that fluids are transferred efficiently and without leaks, which is vital for the proper functioning of the truck’s systems ².

Key Features

This part is constructed with high-quality materials to ensure durability and performance. It features a robust design that includes a male threaded end for secure connection. The materials used are resistant to corrosion and wear, which enhances the union’s longevity. Additionally, the design may include features such as O-rings or gaskets to improve sealing and prevent leaks ³.

Benefits

The 4928703 Male Union offers several advantages. Its design allows for improved sealing, reducing the risk of leaks in the fluid system. The ease of installation is another benefit, as the threaded connection can be quickly and securely fastened. Maintenance is also simplified, as the union can be easily disassembled for inspection or replacement. These features contribute to the overall efficiency and reliability of the truck’s fluid systems.

Installation Process

Installing this part requires following a series of steps to ensure a secure and leak-free connection. Begin by ensuring that the mating surfaces are 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. Use appropriate tools to avoid over-tightening, which could damage the threads.

Troubleshooting Common Issues

Common issues with this part may include leaks or connection failures. To troubleshoot these problems, first, inspect the connection for signs of damage or wear. Ensure that the union is properly tightened but not over-tightened. If a leak is present, check the condition of any O-rings or gaskets and replace them if necessary. Regularly inspecting and maintaining the connection can help prevent these issues.

Maintenance Tips

To prolong the lifespan of this part, regular maintenance is recommended. Inspect the connection periodically for signs of wear, corrosion, or leaks. Clean the fitting and mating surfaces as needed to remove any buildup that could affect the seal. If any components show signs of damage, such as worn O-rings or corroded threads, they should be replaced promptly to maintain the integrity of the fluid system.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes a variety of components designed to enhance the performance and reliability of commercial vehicles. The Cummins 4928703 Male Union is part of this extensive lineup, reflecting the company’s commitment to quality and durability.

Male Union Part 4928703 Compatibility with Cummins Engines

The Male Union part 4928703, manufactured by Cummins, is a component in the engine systems of several Cummins engines. This part is designed to facilitate the connection between different sections of the engine’s fuel or coolant lines, ensuring a secure and leak-proof interface.

QSC8.3 CM850 (CM2850) and QSC9 CM2250/QSL9 CM2250

The Male Union part 4928703 is compatible with the QSC8.3 CM850 (CM2850) engine. This part is essential for maintaining the integrity of the engine’s fuel or coolant systems, ensuring that connections are robust and reliable. The same applies to the QSC9 CM2250 and QSL9 CM2250 engines, where the Male Union part 4928703 is used to connect various parts of the engine’s systems, ensuring seamless operation and preventing leaks.

In both engine models, the Male Union part 4928703 is engineered to withstand the high pressures and temperatures typical of engine environments, providing a durable and dependable solution for engine maintenance and repair.

Role of Part 4928703 Male Union in Engine Systems

The 4928703 Male Union is a component in various engine systems, facilitating the secure connection between different parts. Its role is particularly significant in the following applications:

Plumbing Systems

In engine plumbing systems, the 4928703 Male Union ensures a reliable connection between pipes and fittings. This is vital for maintaining the integrity of the system, preventing leaks, and ensuring consistent fluid flow. The union allows for easy disassembly and maintenance, which is beneficial during routine checks or when modifications are needed.

Fuel Systems

Within fuel systems, the 4928703 Male Union plays a key role in connecting fuel lines to the engine and other components such as the fuel filter and fuel pump. This connection is important for maintaining a steady fuel supply to the engine, which is necessary for optimal performance. The secure fit provided by the union helps in preventing fuel leaks, which can be hazardous and affect engine efficiency.

Fuel Drain Systems

In fuel drain systems, the 4928703 Male Union is used to connect the drain lines to the collection tank or disposal system. This ensures that fuel can be safely and efficiently drained from the system when necessary. The union’s design allows for easy access during maintenance, making it simpler to perform drain procedures without disrupting the overall system.

Conclusion

Overall, the 4928703 Male Union is a versatile component that enhances the functionality and reliability of engine systems by providing secure, leak-proof connections in various applications.