3974393
Elbow Hose Coupling
Cummins®

The 3974393 Elbow Hose Connector, manufactured by Cummins, is a specialized component designed for use in commercial truck systems. Cummins, a well-established name in the industry, produces a wide range of parts and systems that contribute to the efficiency and reliability of heavy-duty trucks. This Cummins part is significant in maintaining the integrity of fluid transfer systems within these vehicles.

Basic Concepts of Elbow Hose Connectors

An elbow hose connector is a fitting used in fluid systems to change the direction of hoses, allowing for efficient routing and management of fluids. These connectors are integral in various subsystems of a truck, including the cooling, fuel, and hydraulic systems. They operate by providing a secure and angled connection between hoses, ensuring that fluid flow is maintained without leakage or restriction ¹.

Purpose of the 3974393 Elbow Hose Connector

The 3974393 is designed to facilitate the connection between hoses at a specific angle, typically 90 degrees. This part plays a role in the operation of a truck by linking different sections of the fluid systems, such as the coolant or fuel lines. It handles various fluids, ensuring that they are directed correctly through the system, which is vital for the overall performance and reliability of the truck ².

Key Features

The 3974393 is characterized by several design elements and material properties that enhance its effectiveness. Its angled design allows for flexible hose routing, which is crucial in the confined spaces of a truck’s engine compartment. The connector is made from durable materials that resist corrosion and wear, ensuring longevity. Additionally, it features secure connection types that prevent leaks and maintain system integrity.

Benefits

Using the 3974393 offers several advantages. It improves fluid flow by providing a smooth transition between hoses, reducing the risk of turbulence and pressure drops. The secure connections minimize the risk of leaks, which can lead to system failures or inefficiencies. Furthermore, the durability of the connector enhances the overall reliability of the truck’s fluid systems.

Installation Considerations

When installing the 3974393, it is important to follow specific guidelines to ensure proper function. This includes adhering to torque specifications to secure the connections without over-tightening, which could damage the hoses or the connector itself. Proper alignment is also crucial to maintain the intended angle and fluid flow. Common pitfalls to avoid include using incorrect hose sizes or failing to inspect the connector for damage before installation.

Troubleshooting Common Issues

Elbow hose connectors, including the 3974393, may encounter issues such as leaks or blockages. These problems can often be traced to improper installation, wear and tear, or incompatible hose materials. Troubleshooting steps may involve inspecting the connections for tightness, checking for signs of wear or corrosion, and ensuring that the hoses are compatible with the connector material.

Maintenance Tips

Regular maintenance of the 3974393 is key to ensuring its longevity and efficiency. This includes periodic inspection for signs of wear, corrosion, or leaks. Cleaning the connector and surrounding areas can prevent buildup that may obstruct fluid flow. Additionally, replacing worn or damaged hoses and connectors in a timely manner will help maintain the integrity of the fluid systems.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance parts. Their product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications ³.

Engine Compatibility with Elbow Hose Connector Part 3974393

The Elbow Hose Connector part 3974393, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engines. This part is crucial for ensuring proper fluid flow and maintaining the integrity of the engine’s cooling and exhaust systems. Below is a detailed look at the compatibility of this part with specific Cummins engines:

ISB5.9 Series Engines

• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9G CM2180

The ISB5.9 series engines are known for their robust performance and reliability. The Elbow Hose Connector part 3974393 is specifically engineered to fit these engines, ensuring a secure connection that can withstand the high pressures and temperatures typical of these systems. This part is essential for maintaining the efficiency of the engine’s cooling and exhaust systems.

B5.9 GAS PLUS CM556

The B5.9 GAS PLUS CM556 engine is another model that benefits from the use of the Elbow Hose Connector part 3974393. This part is designed to integrate smoothly with the engine’s design, providing a reliable connection that helps maintain the engine’s performance and longevity.

6B5.9

The 6B5.9 engine also requires the Elbow Hose Connector part 3974393 for its operation. This part is crucial for ensuring that the engine’s fluid systems function correctly, preventing leaks and maintaining the overall efficiency of the engine.

QSK19 CM850 MCRS

The QSK19 CM850 MCRS engine is another model that is compatible with the Elbow Hose Connector part 3974393. This part is designed to fit the specific requirements of this engine, ensuring that the fluid systems operate smoothly and efficiently.

Conclusion

By using the Elbow Hose Connector part 3974393, engine owners can ensure that their Cummins engines operate at peak performance, with reliable fluid flow and minimal risk of leaks. This part is a critical component in maintaining the integrity and efficiency of the engine’s systems.