3973092
Flexible Hose
Cummins®

The Cummins 3973092 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids within the truck’s operational framework, ensuring efficient and reliable performance. This hose is integral to maintaining the functionality of the truck’s systems by providing a flexible connection that accommodates movement and reduces stress on connected components.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive and heavy-duty truck systems to transport fluids such as coolant, fuel, oil, and hydraulic fluids. They are designed to offer flexibility, which allows them to bend and twist without compromising the flow of fluids. This flexibility is crucial in systems where rigid pipes could not accommodate the movement and vibrations inherent in vehicle operation. Flexible hoses are typically made from materials that can withstand the pressure and temperature variations of the fluids they carry, ensuring durability and reliability ¹.

Purpose of the Cummins 3973092 Flexible Hose

The Cummins 3973092 Flexible Hose plays a specific role in the operation of a truck by connecting various systems and transporting essential fluids. It is commonly used in fuel systems, where it connects the fuel tank to the engine, allowing for the transfer of fuel while accommodating the truck’s movement. Additionally, it may be employed in other systems where flexibility and durability are required to maintain efficient fluid transfer.

Key Features

The Cummins 3973092 Flexible Hose is characterized by several key features that enhance its performance. It is constructed from high-quality materials that provide durability and resistance to the elements it encounters. The hose’s flexibility allows it to bend and twist without kinking, ensuring a consistent flow of fluids. Its design specifications include reinforced ends for secure fitting and resistance to wear and tear, contributing to its longevity in demanding environments ².

Benefits

The Cummins 3973092 Flexible Hose offers several advantages over rigid hoses. Its flexibility reduces the transmission of vibrations from the engine to other components, which can help in minimizing wear and tear on the system. Additionally, the hose’s durable construction ensures it can withstand harsh operating conditions, providing a reliable connection for fluid transfer. The reduction in vibration transmission also contributes to a smoother operation of the truck’s systems ³.

Installation Considerations

When installing the Cummins 3973092 Flexible Hose, it is important to follow guidelines and best practices to ensure proper function and longevity. This includes using the correct fitting techniques to secure the hose in place, ensuring that it is aligned correctly within the truck’s system to prevent kinks or obstructions in the fluid flow. Proper installation also involves checking for any signs of damage or wear before use, to ensure the hose is in optimal condition.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, kinks, and degradation over time. To address these issues, regular inspections should be conducted to identify any signs of wear or damage. If a leak is detected, the hose should be replaced or repaired as necessary. Kinks can often be resolved by repositioning the hose to ensure a smooth flow path. Degradation may require replacement of the hose to maintain system integrity.

Maintenance Tips

To maintain the Cummins 3973092 Flexible Hose, regular inspection routines should be established. This includes checking for signs of wear, such as cracks or softening of the material, and ensuring that all connections are secure. Maintenance practices should also involve cleaning the hose and its connections to prevent the buildup of contaminants that could affect performance. Following these practices can help prolong the hose’s lifespan and ensure reliable operation.

Cummins 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 reputation for quality and innovation in the commercial truck industry. The company offers a wide range of products designed to meet the demands of various applications, ensuring reliable performance and efficiency in commercial vehicles.

Cummins Engine Part 3973092: Flexible Hose Compatibility

The Cummins part number 3973092, a Flexible Hose, is designed to integrate seamlessly with several Cummins engine models. This part is crucial for maintaining the integrity of the engine’s cooling and fuel systems by providing a flexible connection that can accommodate movement and vibrations.

QSB5.9 CM850 Engines

The QSB5.9 CM850 engines are known for their robust performance and reliability, often used in a variety of industrial and agricultural applications. The Flexible Hose part 3973092 is specifically engineered to fit these engines, ensuring that the connections between the engine’s various components remain secure and efficient. This part is particularly important in maintaining the cooling system’s efficiency, as it connects the radiator to the engine block, allowing for the necessary expansion and contraction due to temperature changes.

Grouping of Engines

In addition to the QSB5.9 CM850, the Flexible Hose part 3973092 is compatible with other Cummins engines within the same series and similar models. These engines share common design features and specifications, making the hose a versatile component that can be used across multiple engine types. The flexibility and durability of this part make it an essential component for ensuring the longevity and performance of the engine’s cooling and fuel systems.

By providing a reliable connection that can withstand the rigors of continuous operation, the Flexible Hose part 3973092 plays a critical role in the overall functionality of the engine. Its compatibility with various Cummins engines underscores its importance in maintaining the efficiency and reliability of these power units.

Role of Part 3973092 Flexible Hose in Engine Systems

Part 3973092, the Flexible Hose, is integral to the efficient operation of various engine systems. It facilitates the smooth transfer of fluids and gases between components, ensuring optimal performance and reliability.

Air Cleaner System

In the air cleaner system, the Flexible Hose connects the air cleaner housing to the throttle body or intake manifold. This connection allows for the uninterrupted flow of filtered air into the engine. The flexibility of the hose accommodates the natural vibrations and movements of the engine, preventing stress on the connections and ensuring a consistent air supply.

Cleaner System Integration

When integrated with a cleaner system, such as a crankcase ventilation system, the Flexible Hose plays a key role in managing emissions. It routes gases from the crankcase to the intake tract, where they are burned in the combustion process. This not only reduces emissions but also helps in maintaining engine cleanliness by preventing the buildup of contaminants.

Air System Efficiency

In air systems, such as secondary air injection systems, the Flexible Hose is used to direct fresh air into the exhaust stream to aid in the reduction of emissions. This hose ensures that the air is delivered efficiently, even under varying engine conditions, contributing to better emission control and overall engine performance.

Conclusion

The Cummins 3973092 Flexible Hose is a vital component in the operation of commercial truck systems, providing a flexible and durable connection for the transfer of essential fluids. Its compatibility with various Cummins engines ensures efficient and reliable performance across different applications. Regular maintenance and proper installation are key to maximizing the lifespan and effectiveness of this part.