3643087
Flexible Hose
Cummins®

The Cummins 3643087 Flexible Hose is a component designed for use in commercial trucks. It serves as a conduit for various fluids within the truck’s systems, facilitating the transfer of these fluids between different parts of the vehicle. This part is integral to maintaining the operational efficiency of the truck by ensuring that fluids reach their intended destinations without leakage or obstruction.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive applications to connect different parts of a system that may move or vibrate relative to each other. They are designed to accommodate movement and provide a secure, leak-free path for fluids such as coolant, fuel, or hydraulic fluid. Within a system, flexible hoses allow for the necessary flexibility and durability required to withstand the dynamic environment of a vehicle ¹.

Purpose of the 3643087 Flexible Hose

This Cummins part plays a specific role in the operation of a truck by connecting various systems and transporting fluids. It is typically used in applications where rigid pipes cannot accommodate the movement or space constraints present. The hose facilitates the flow of fluids between components that may not be in a fixed position relative to one another, ensuring continuous operation despite the truck’s dynamic conditions.

Key Features

The 3643087 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include its material composition, which is designed to resist the chemicals and temperatures associated with the fluids it transports. The hose’s flexibility allows it to bend and twist without compromising the flow of fluids, while its durability ensures it can withstand the physical stresses of the truck’s operation. Design specifications such as reinforced layers and precise fitting ends contribute to its reliable performance.

Benefits

Using this Cummins part offers several advantages. It contributes to improved system reliability by providing a secure and flexible connection between components. The hose’s design reduces the risk of leaks, which can lead to system failures or inefficiencies. Additionally, its flexibility allows for more versatile routing within the truck’s chassis, accommodating the complex layout of modern commercial vehicles.

Installation Considerations

Proper installation of the 3643087 Flexible Hose involves several considerations to ensure compatibility with other system components and optimal performance. It is important to follow manufacturer guidelines for securing and routing the hose to prevent kinks, twists, or abrasions that could compromise its integrity. Ensuring that connections are tight and that the hose is properly supported can help maintain its function over time.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks and abrasions. To diagnose and resolve these issues, it is important to inspect the hose regularly for signs of wear, such as cracks, bulges, or soft spots. Addressing these issues promptly can prevent more serious problems, such as system failures or fluid loss. Troubleshooting steps may involve replacing worn sections of the hose or adjusting its routing to reduce stress on the material.

Maintenance Tips

Regular maintenance of the 3643087 Flexible Hose is key to ensuring its longevity and reliable performance. Inspection intervals should be established based on the truck’s usage and operating conditions. During inspections, look for signs of wear, such as discoloration, swelling, or leaks. Procedures for replacing or repairing the hose should be followed when necessary to maintain the integrity of the system it serves.

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’s product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Cummins Flexible Hose 3643087 in Engine Applications

The Cummins Flexible Hose part number 3643087 is a component in the maintenance and operation of various Cummins engines, including the QSK60G. This hose is designed to provide flexibility and durability, ensuring reliable performance in demanding environments.

Integration with Cummins Engines

The Flexible Hose 3643087 is engineered to fit seamlessly within the engine’s cooling and fuel systems, providing a vital link between different parts. Its primary role is to maintain the integrity of fluid pathways, preventing leaks and ensuring that the engine operates efficiently.

Application in the QSK60G Engine

In the QSK60G engine, the Flexible Hose 3643087 is typically used in the following areas:

• Cooling System: It connects the engine’s radiator to the water pump, allowing for the efficient transfer of coolant.
• Fuel System: It links the fuel pump to the engine, ensuring a steady and uninterrupted fuel supply.

The hose’s design accommodates the engine’s vibrations and thermal expansion, reducing the risk of wear and tear. This flexibility is crucial for maintaining the hose’s integrity over the engine’s operational life.

Compatibility with Other Cummins Engines

While the primary focus here is on the QSK60G, the Flexible Hose 3643087 is also compatible with other Cummins engines, including:

• QSK50: Used in heavy-duty applications, this engine benefits from the hose’s ability to withstand high pressures and temperatures.
• QSK38: Often found in marine and industrial applications, the hose ensures reliable fluid transfer in these environments.

The hose’s universal design allows it to be used across various Cummins engine models, providing a consistent and reliable solution for fluid management.

Role of Part 3643087 Flexible Hose in Engine Systems

Plumbing Applications

In plumbing applications within engine systems, the Part 3643087 Flexible Hose serves as a vital connector between various components. Its flexibility allows it to accommodate the dynamic movements and vibrations inherent in engine operations, ensuring a secure and leak-free connection. This hose is often used to link the water pump to the engine block or to connect the radiator to other cooling system components. By providing a robust yet adaptable link, it helps maintain the integrity of the cooling system, which is essential for regulating engine temperature and preventing overheating ².

Turbocharger Oil Systems

Within turbocharger oil systems, the Part 3643087 Flexible Hose plays a significant role in facilitating the circulation of lubricating oil. It connects the turbocharger to the engine’s oil supply, allowing for the consistent flow of oil that is necessary for the turbocharger’s bearings and other moving parts. The flexibility of the hose is particularly beneficial in this application, as it can withstand the high pressures and temperatures associated with turbocharger operation. This ensures that the turbocharger receives a steady supply of oil, which is vital for its performance and longevity. Additionally, the hose’s durability helps in reducing the risk of oil leaks, which could lead to decreased efficiency and potential damage to the turbocharger and surrounding components ³.

Conclusion

The Cummins 3643087 Flexible Hose is a critical component in the operation and maintenance of commercial trucks and Cummins engines. Its design and features ensure reliable fluid transfer, accommodating the dynamic conditions of engine operation. Regular maintenance and proper installation are essential to maximize its performance and longevity.