4900473
Plain Union Elbow
Cummins®

The 4900473 Plain Union Elbow is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This part holds significance within commercial truck systems due to its role in fluid management. Understanding its function and integration into truck systems is vital for maintaining efficient vehicle operation.

Basic Concepts of Plain Union Elbow

A Plain Union Elbow is a fitting used in fluid systems to connect two pipes at an angle, typically 90 degrees. It allows for a change in direction of the fluid flow without interrupting the system. In a truck’s system, this component facilitates the redirection of fluids such as fuel, coolant, or hydraulic fluid, ensuring that the system operates smoothly and efficiently ¹.

Purpose of the 4900473 Plain Union Elbow

The 4900473 Plain Union Elbow plays a role in the operation of a truck by directing fluid flow at an angle within the system. This part is designed to provide a secure and leak-proof connection between pipes, ensuring that fluids are transported efficiently throughout the truck’s system. Its function is crucial for maintaining the integrity and performance of the fluid system.

Key Features

The 4900473 Plain Union Elbow is characterized by several key features that enhance its performance. It is typically made from durable materials such as brass or stainless steel, which offer resistance to corrosion and high pressure. The design includes threaded connections that allow for easy assembly and disassembly, facilitating maintenance and repair. Additionally, the elbow’s smooth interior surface minimizes resistance to fluid flow, contributing to the efficiency of the system.

Benefits

Using the 4900473 Plain Union Elbow offers several advantages. Its durable construction ensures long-term reliability, reducing the need for frequent replacements. The ease of installation, thanks to its threaded connections, allows for quick integration into the truck’s system. Furthermore, its efficient design contributes to optimal fluid management, enhancing the overall performance of the truck.

Installation Process

Installing the 4900473 Plain Union Elbow requires careful attention to detail to ensure a secure fit. Begin by cleaning the pipe ends to remove any debris. Apply thread sealant to the threads of the elbow to prevent leaks. Carefully screw the elbow onto the pipe, ensuring that it is aligned correctly. Use a wrench to tighten the connection, but avoid over-tightening to prevent damage. Finally, check for leaks by running fluid through the system.

Common Applications

The 4900473 Plain Union Elbow finds applications in various truck systems, including fuel lines, coolant systems, and hydraulic systems. Its versatility allows it to be used in different configurations and setups, making it a valuable component for maintaining the efficiency and reliability of truck operations.

Troubleshooting and Maintenance

To identify common issues with the 4900473 Plain Union Elbow, regularly inspect the connections for signs of leaks or corrosion. Maintenance tips include cleaning the fitting and pipes before installation, applying thread sealant, and ensuring proper alignment during installation. If leaks or damage are detected, the elbow may need to be repaired or replaced to maintain system integrity.

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 components, Cummins has established a reputation for excellence. Their dedication to advancing technology and meeting the needs of their customers underscores their position as a leader in the industry.

Cummins Engine Part 4900473: Plain Union Elbow

The Cummins part 4900473, a Plain Union Elbow, is a critical component in the engine systems of various Cummins engines. This part is designed to connect different sections of the engine’s piping or tubing, ensuring a secure and leak-proof joint.

Application in A1700 and A2000 Engines

In the A1700 and A2000 engines, the Plain Union Elbow (part 4900473) plays a vital role in maintaining the integrity of the engine’s fluid systems. It is typically used in the engine’s cooling system, where it connects the radiator hoses to the engine block. This connection is crucial for the efficient transfer of coolant, which helps in maintaining the engine’s optimal operating temperature.

Application in A2300 Engines

For the A2300 engine, the Plain Union Elbow (part 4900473) is also essential, particularly in the engine’s exhaust system. Here, it is used to connect different sections of the exhaust piping, ensuring that the exhaust gases are efficiently channeled out of the engine. This connection is critical for maintaining the engine’s performance and reducing emissions.

Common Usage Across Engine Models

While the specific applications may vary slightly between the A1700, A2000, and A2300 engines, the Plain Union Elbow (part 4900473) is a common component across these models. Its primary function is to provide a reliable and durable connection point in the engine’s fluid and exhaust systems, ensuring that the engine operates smoothly and efficiently.

Role of Part 4900473 Plain Union Elbow in Engine Systems

The part 4900473 Plain Union Elbow is an essential component in the integration and functionality of various engine systems. Its primary role is to facilitate the smooth and efficient transfer of fluids within the engine’s cooling and lubrication circuits.

Integration with the Engine Oil Cooler

In systems where an engine oil cooler is employed, the Plain Union Elbow plays a significant role. It connects the engine oil passages to the cooler, ensuring that the oil circulates effectively through the cooling system. This connection is vital for maintaining the oil at optimal temperatures, which in turn helps in reducing viscosity changes and enhancing the oil’s lubricating properties. The Plain Union Elbow ensures a secure and leak-free joint, which is essential for the reliable operation of the oil cooling system.

Connection to the Engine Oil System

Within the engine oil system, the Plain Union Elbow is used to join different sections of the oil passages. This includes connections to the oil filter, oil pump, and various engine bearings. By providing a consistent and reliable connection point, it helps in maintaining the integrity of the oil flow throughout the engine. This is particularly important in high-performance engines where precise oil distribution is necessary to ensure all moving parts are adequately lubricated.

Role in the Cooler System

When incorporated into a cooler system, the Plain Union Elbow aids in the efficient transfer of coolant or other cooling fluids. It connects the cooler to the engine’s cooling passages, ensuring that the coolant can effectively absorb heat from the engine components and dissipate it through the cooling system. This helps in maintaining the engine’s operating temperature within safe limits, preventing overheating and potential damage to engine components.

Conclusion

Overall, the Plain Union Elbow is a fundamental component in ensuring the seamless operation of engine systems by providing reliable and efficient fluid transfer connections. Its role in maintaining the integrity and performance of fluid systems in trucks and engines is indispensable, making it a critical part in the maintenance and operation of commercial vehicles.