3945407
Elbow Hose Coupling
Cummins®

The 3945407 Elbow Hose Coupling, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems that contribute to the efficiency and reliability of heavy-duty trucks. This part is integral to the fluid transfer systems within these vehicles.

Function and Operation

This Cummins part operates by facilitating the connection between hoses and other components within a truck’s system. It plays a role in the transfer of fluids, ensuring a secure and leak-free connection. This coupling is designed to withstand the pressures and temperatures associated with various truck systems, maintaining the integrity of the fluid pathways.

Purpose of the Elbow Hose Coupling

In the operation of a truck, the 3945407 serves a specific function within multiple systems. It is utilized in cooling systems to connect hoses that circulate coolant, in hydraulic systems to link components that require fluid power, and in fuel systems to ensure a consistent supply of fuel. Its versatility makes it a valuable component across different applications.

Key Features

The 3945407 is characterized by several key features that enhance its performance and durability. It is constructed from materials that offer resistance to corrosion and wear, ensuring longevity in demanding environments. The design includes precise fittings that allow for easy connection and disconnection, and it features a robust construction that can handle high-pressure applications. Additionally, the coupling may have unique characteristics such as a reinforced elbow to prevent kinking and ensure smooth fluid flow.

Benefits

The advantages of using the 3945407 include improved system efficiency due to its secure connections, which minimize leaks and maintain system pressure. Its durable construction contributes to the overall reliability of the truck’s fluid systems. Furthermore, the design of the coupling allows for straightforward installation, reducing downtime during maintenance procedures.

Installation Considerations

When installing the 3945407, it is important to follow guidelines to ensure compatibility with other components and to use the necessary tools for a proper fit. Careful attention to the manufacturer’s instructions will help in achieving a secure and efficient connection within the truck’s system.

Troubleshooting Common Issues

Common problems with Elbow Hose Couplings can include leaks, disconnections, or damage to the coupling itself. Troubleshooting steps may involve inspecting the coupling for signs of wear or damage, ensuring that connections are tight and secure, and replacing the coupling if necessary to restore system functionality.

Maintenance Tips

Regular maintenance of the 3945407 is recommended to ensure its longevity and optimal performance. This includes periodic inspection for wear or damage, cleaning to remove any buildup that could affect performance, and following the manufacturer’s guidelines for service intervals. Proper maintenance will help prevent issues and extend the life of the coupling.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and aftermarket parts. With a history of innovation and a strong reputation in the commercial truck industry, Cummins is known for producing high-quality components that contribute to the performance and reliability of heavy-duty vehicles.

Compatibility of Elbow Hose Coupling 3945407 with Cummins Engines

The 3945407, manufactured by Cummins, is designed to fit a variety of Cummins engines. This coupling is essential for connecting hoses to the engine’s exhaust or intake systems, ensuring a secure and leak-free connection. Below is a detailed breakdown of the engines with which this part is compatible:

ISC Series Engines

• ISC CM2150
• ISC CM554
• ISC CM850
• ISC8.3 CM2250

The ISC series engines, including the CM2150, CM554, CM850, and CM2250, are designed for heavy-duty applications. The 3945407 is engineered to fit seamlessly with these engines, providing a reliable connection for exhaust or intake hoses.

ISL Series Engines

• ISL CM2150
• ISL CM554
• ISL G CM2180
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

The ISL series engines, such as the CM2150, CM554, CM2180, CM2150 SN, CM2250, and CM2880 L138, are known for their high performance and efficiency. The 3945407 is compatible with these engines, ensuring a robust connection for hoses in the exhaust or intake systems.

L Series Engines

• L GAS PLUS CM556
• L8.9
• L8.9G CMOH2.0 L125B
• L9.3 L105

The L series engines, including the GAS PLUS CM556, L8.9, L8.9G CMOH2.0 L125B, and L9.3 L105, are designed for a range of applications. The 3945407 is compatible with these engines, providing a secure and leak-proof connection for hoses.

QSC and QSL Series Engines

• QSC8.3 CM554
• QSC8.3 CM850(CM2850)
• QSL8.9 CM2150 L141
• QSL9 CM554
• QSL9 CM850(CM2850)

The QSC and QSL series engines, such as the QSC8.3 CM554, QSC8.3 CM850(CM2850), QSL8.9 CM2150 L141, QSL9 CM554, and QSL9 CM850(CM2850), are engineered for various industrial and commercial applications. The 3945407 is compatible with these engines, ensuring a reliable connection for exhaust or intake hoses.

This compatibility ensures that the 3945407 can be used across a wide range of Cummins engines, providing a dependable solution for maintaining the integrity of the engine’s hose connections.

Role of Part 3945407 Elbow Hose Coupling in Engine Systems

The 3945407 is an essential component in the fluid transfer pathways of engine systems, particularly in relation to the cooler and torque converter oil systems.

In the cooler system, the Elbow Hose Coupling facilitates the connection between the engine’s cooling circuit and the external cooler. This coupling ensures a secure and leak-proof connection, allowing coolant to flow from the engine to the cooler and back. This process is vital for maintaining optimal engine temperature, enhancing efficiency, and preventing overheating.

Similarly, in the torque converter oil system, the 3945407 plays a significant role. It connects the torque converter to the oil supply and return lines. This ensures that the torque converter receives a consistent flow of oil, which is necessary for smooth operation and efficient power transmission. The coupling helps maintain the integrity of the oil lines, reducing the risk of leaks and ensuring that the torque converter oil remains at the appropriate pressure and temperature.

Overall, the 3945407 is integral to the reliable operation of these engine systems, contributing to their efficiency and longevity.

Conclusion

The 3945407 Elbow Hose Coupling is a critical component in the fluid transfer systems of commercial trucks, particularly those equipped with Cummins engines. Its design and features ensure secure, leak-proof connections that are essential for the efficient operation of cooling, hydraulic, and fuel systems. Regular maintenance and proper installation are key to maximizing the performance and longevity of this part. With its compatibility across a wide range of Cummins engines, the 3945407 provides a reliable solution for maintaining the integrity of engine hose connections.