4939363
Flexible Hose
Cummins®

Introduction

The Cummins 4939363 Flexible Hose Assembly is a component designed for use in commercial trucks. It facilitates the transfer of fluids between various parts of the vehicle, ensuring the efficiency and reliability of truck operations.

Basic Concepts of Flexible Hose Assemblies

Flexible hose assemblies are integral to fluid transfer systems in vehicles, designed to convey fluids such as coolant, fuel, or hydraulic fluid between components that may move or vibrate relative to each other. These assemblies allow for movement and vibration without compromising the integrity of the fluid transfer, ensuring consistent performance and durability within the truck’s infrastructure ².

Purpose of the 4939363 Flexible Hose Assembly

The 4939363 Flexible Hose Assembly is engineered to connect specific systems within a truck, transporting fluids that are vital for the operation of these systems. It maintains the flow of fluids under varying conditions, ensuring that the connected systems function as intended.

Key Features

The 4939363 Flexible Hose Assembly is characterized by its material composition, which includes durable and flexible materials that can withstand the rigors of truck operation. Design elements such as reinforced layers and specialized fittings enhance its durability and flexibility. These features contribute to the assembly’s ability to perform reliably in demanding environments ⁴.

Benefits

The benefits of the 4939363 Flexible Hose Assembly include its improved flexibility, which accommodates the movement and vibration inherent in truck operations. It also exhibits resistance to wear and tear, ensuring longevity. Additionally, its design allows for enhanced performance across a range of environmental conditions, contributing to the overall efficiency of the truck ³.

Installation Considerations

When installing the 4939363 Flexible Hose Assembly, it is important to follow guidelines and best practices to ensure proper function. This includes aligning the assembly correctly, using appropriate securing methods, and verifying compatibility with the truck’s existing systems. Careful installation helps prevent issues such as leaks or improper fluid flow ².

Troubleshooting Common Issues

Common problems with flexible hose assemblies may include leaks, kinks, or degradation over time. Addressing these issues involves identifying the source of the problem and taking corrective action, such as repairing or replacing the affected section of the hose. Regular inspections can help detect issues early, allowing for timely intervention ¹.

Maintenance Tips

Regular maintenance of the 4939363 Flexible Hose Assembly is key to ensuring its longevity and optimal performance. This includes conducting inspections at scheduled intervals, cleaning the assembly as needed, and replacing it when signs of wear or damage are evident. Adhering to a maintenance schedule helps prevent unexpected failures and ensures consistent truck operation ².

Safety Considerations

When working with the 4939363 Flexible Hose Assembly, observing safety protocols is vital. This includes handling any hazardous fluids with care and ensuring that all connections are secure to prevent accidents. Following safety guidelines protects both the technician and the vehicle, contributing to a safe working environment ².

About Cummins

Cummins Inc. is a leader in the design, manufacture, and distribution of engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and high-performance components for the automotive industry, including commercial trucks.

Compatibility with Cummins Engines

The Flexible Hose Assembly 4939363 is compatible with the following Cummins engines:

• QSB4.5 CM850 (CM2850)
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

Grouping by Engine Series

QSB4.5 CM850 (CM2850) and QSB6.7 CM850 (CM2850)

These engines, part of the QSB series, are known for their robust performance and reliability. The Flexible Hose Assembly 4939363 is designed to integrate smoothly with these models, ensuring efficient fluid transfer and maintaining the integrity of the engine’s cooling and lubrication systems.

QSB7 CM2880 B117

The QSB7 CM2880 B117 engine is another model where the Flexible Hose Assembly 4939363 plays a vital role. This engine is engineered for heavy-duty applications, and the hose assembly’s flexibility and durability are essential for handling the demands of such environments.

Each of these engines benefits from the precise engineering of the Flexible Hose Assembly 4939363, ensuring optimal performance and longevity.

Role of Part 4939363 Flexible Hose Assembly in Engine Systems

The part 4939363 Flexible Hose Assembly is a component in various engine systems, facilitating the efficient transfer of fluids while accommodating the dynamic movements and vibrations inherent in engine operations.

Integration with Plumbing Systems

In plumbing systems within engine environments, the 4939363 Flexible Hose Assembly serves as a vital link between rigid pipes and other components. Its flexibility allows it to absorb shocks and vibrations, reducing the risk of leaks and damage to the plumbing infrastructure. This is particularly important in high-stress areas where traditional rigid connections might fail over time due to constant movement ⁴.

Connection to Fuel Filter

When integrated with fuel systems, the 4939363 Flexible Hose Assembly connects the fuel filter to other components such as the fuel pump or fuel injectors. Its role here is to ensure a secure and leak-proof connection, while also allowing for the necessary flexibility to accommodate the engine’s movements. This is important for maintaining a consistent fuel flow, which is essential for engine performance and efficiency ³.

Overall Functionality

The 4939363 Flexible Hose Assembly enhances the reliability and durability of engine systems by providing a flexible yet robust connection between various components. Its ability to withstand high pressures and temperatures, combined with its flexibility, makes it an invaluable part in ensuring the smooth operation of engine systems ⁴.

Conclusion

The Cummins 4939363 Flexible Hose Assembly is a critical component for the efficient and reliable operation of commercial trucks. Its design and features ensure durability, flexibility, and performance across a range of conditions. Proper installation, maintenance, and adherence to safety protocols are essential for maximizing the benefits of this part.