4964677
Flexible Hose
Cummins®

The Cummins 4964677 Flexible Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance is important for maintaining and optimizing truck performance.

Basic Concepts of Flexible Hoses

Flexible hoses are used in various automotive systems to transport fluids between different components. They are designed to accommodate movement and vibration, which are common in vehicle operations. In a truck, flexible hoses play a role in connecting subsystems such as the engine, transmission, and cooling system, allowing for the transfer of fluids like coolant, oil, and fuel ¹.

Purpose of the 4964677 Flexible Hose

The 4964677 Flexible Hose is designed to connect specific systems within a truck, facilitating the transport of fluids. It is part of the network that ensures the proper functioning of the truck’s engine and other critical systems. By providing a flexible connection, it allows for the necessary movement and reduces the risk of damage to the hose or connected components ².

Key Features

The 4964677 Flexible Hose is constructed from materials that offer a balance of flexibility and durability. Its design includes features that enhance performance, such as reinforced layers to withstand pressure and environmental conditions. The hose’s flexibility allows it to bend and twist without compromising the flow of fluids, while its durability ensures a longer service life ³.

Benefits

Using the 4964677 Flexible Hose offers several advantages. Its flexibility reduces the likelihood of leaks that can occur with rigid hoses, which may crack under stress. The hose’s durable construction contributes to its longevity, and its design makes it easier to install compared to more rigid alternatives. These factors combine to provide a reliable solution for fluid transport in commercial trucks.

Installation Considerations

When installing the 4964677 Flexible Hose, it is important to follow proper techniques to ensure a secure and leak-free connection. This includes using the appropriate tools, such as hose clamps, and ensuring that the hose is correctly aligned with the fittings. Careful attention to detail during installation can prevent common issues such as leaks or improper seating of the hose.

Maintenance and Troubleshooting

Regular maintenance of the 4964677 Flexible Hose is important to ensure its continued reliability. This includes checking for signs of wear, such as cracks or bulges, and replacing the hose if necessary. Troubleshooting common issues, such as leaks or connectivity problems, often involves inspecting the hose and fittings for damage or misalignment.

Cummins Corporation Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its range of products that include engines, filtration systems, and components like the 4964677 Flexible Hose. The company’s reputation for quality and reliability is reflected in its products, which are designed to meet the demanding requirements of commercial truck applications.

Cummins Flexible Hose 4964677 Compatibility

The Cummins Flexible Hose part number 4964677 is designed to integrate seamlessly with a variety of Cummins engines, ensuring optimal performance and durability. This part is engineered to meet the rigorous demands of heavy-duty applications, providing a reliable connection between different engine components.

QSK50 Engine Series

The QSK50 engine series, known for its robust performance and efficiency, benefits from the flexibility and resilience of the part 4964677. This hose is specifically tailored to withstand the high pressures and temperatures typical in these engines, ensuring a secure and leak-free connection.

CM2150 Engine Series

In the CM2150 engine series, the part 4964677 plays a role in maintaining the integrity of the engine’s cooling and fuel systems. Its design allows for smooth operation and reduces the risk of wear and tear, contributing to the engine’s longevity and reliability.

MCRS Engine Series

The MCRS engine series, which is often utilized in marine and industrial applications, also relies on the part 4964677 for its flexible hose needs. This part’s ability to flex and adapt to various movements and vibrations makes it an ideal choice for these environments, where durability and performance are paramount.

By integrating the Cummins Flexible Hose 4964677 into these engines, users can expect enhanced operational efficiency and reduced maintenance requirements, ensuring that their engines perform at their best under demanding conditions.

Part 4964677 Flexible Hose Component Usage

The part 4964677 Flexible Hose is a component in various engine systems, facilitating the transfer of fluids and gases under dynamic conditions. Its role is particularly significant in systems where traditional rigid hoses would be impractical due to the need for flexibility and movement.

Fuel Systems

In fuel systems, the flexible hose is used to connect the fuel tank to the engine, allowing for the smooth transfer of fuel. This is especially important in vehicles where the fuel tank is located away from the engine compartment, necessitating a hose that can accommodate the movement and vibrations of the vehicle without compromising the fuel flow.

Cooling Systems

Within cooling systems, the flexible hose plays a role in connecting the radiator to the engine and other components. It ensures that coolant can circulate efficiently, even as the engine and other parts expand and contract with temperature changes. This flexibility helps maintain a consistent coolant flow, which is essential for optimal engine performance and longevity.

Emissions Control Systems

In emissions control systems, the flexible hose is utilized to connect various components such as the exhaust gas recirculation (EGR) valve to the intake manifold. This connection allows for the recirculation of exhaust gases back into the combustion chamber, reducing nitrogen oxides (NOx) emissions. The flexibility of the hose ensures that it can withstand the high temperatures and pressures within the emissions control system.

Electrical Systems

When integrated with electrical systems, the flexible hose may be used to protect wiring and cables from corrosion and physical damage. For instance, in systems where electrical components are exposed to moisture or other corrosive elements, the hose can shield sensitive parts, ensuring reliable performance and longevity.

Auxiliary Systems

In auxiliary systems such as brake and power steering systems, the flexible hose is employed to connect hydraulic components. This ensures that fluid can be transferred efficiently under varying operational conditions, contributing to the overall safety and performance of the vehicle.

The part 4964677 Flexible Hose, through its versatile applications, enhances the functionality and reliability of various engine systems, ensuring that fluids and gases are transferred efficiently under dynamic conditions.

Conclusion

The Cummins 4964677 Flexible Hose is a vital component in the operation of commercial trucks, offering flexibility, durability, and ease of installation. Its role in connecting various engine systems ensures efficient fluid transfer and contributes to the overall reliability and performance of the vehicle. Regular maintenance and proper installation techniques are essential to maximize the benefits of this Cummins part.