4975977
Flexible Hose
Cummins®

The 4975977 Flexible Hose is a component manufactured by Cummins, a well-established name in the automotive industry, particularly known for its diesel engines and related parts. This flexible hose is designed for use in commercial trucks, where it serves a vital function in the vehicle’s fluid transport systems.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive applications to connect various parts of a system that require fluid transfer. They are engineered to withstand pressure, temperature variations, and mechanical stress while providing a flexible connection that accommodates movement and vibration. In a truck, flexible hoses play a role in transporting fluids such as coolant, fuel, and hydraulic fluid, ensuring the proper operation of the vehicle’s systems ¹.

Purpose of the 4975977 Flexible Hose

This Cummins part is specifically designed to connect components within a truck’s system, facilitating the transport of fluids. It is an integral part of the system, allowing for the transfer of fluids between rigid components while accommodating the natural movement and vibrations of the vehicle.

Key Features

The 4975977 boasts several key features that enhance its performance and longevity. It is constructed from high-quality materials that provide the necessary flexibility and durability for its application. The hose’s design includes reinforced ends to ensure a secure connection to the components it links. Additionally, it is engineered to resist the effects of high pressure and temperature, common in commercial truck operations.

Benefits

The advantages of the 4975977 include its improved flexibility, which allows it to bend and twist without kinking or breaking. This flexibility reduces the risk of leaks, a common issue with rigid hoses. The hose’s durable construction ensures it can withstand the harsh conditions of commercial truck use, leading to a longer service life. Furthermore, its design facilitates ease of installation, making it a practical choice for maintenance and repair.

Installation Considerations

When installing the 4975977, it is important to follow guidelines to ensure proper function and longevity. This includes ensuring proper alignment with the components it connects, using the recommended securing methods to prevent disconnection, and verifying compatibility with other system components to avoid issues such as leaks or reduced performance.

Troubleshooting Common Issues

Common problems with flexible hoses, such as leaks, kinks, and degradation, can often be traced back to installation errors or environmental factors. Troubleshooting steps may involve inspecting the hose for signs of wear or damage, checking connections for proper alignment and security, and assessing the hose’s condition in relation to its operating environment.

Maintenance Tips

To ensure the longevity and optimal performance of the 4975977, regular maintenance is recommended. This includes conducting periodic inspections for signs of wear or damage, cleaning the hose to remove any buildup that could affect its function, and adhering to a replacement schedule based on the manufacturer’s guidelines or the hose’s condition.

Cummins: Manufacturer Overview

Cummins is a reputable manufacturer in the automotive industry, known for its commitment to quality and innovation. With a history of producing reliable diesel engines and components, Cummins has established itself as a leader in the field. The company’s range of products is designed to meet the demanding requirements of commercial vehicles, ensuring performance, durability, and efficiency ².

Cummins Flexible Hose 4975977 Compatibility

The Cummins Flexible Hose part number 4975977 is designed to integrate seamlessly with a variety of Cummins engine models, ensuring reliable performance and durability. This part is engineered to meet the stringent requirements of Cummins’ high-performance engines, providing a critical connection in the engine’s fuel, coolant, or exhaust systems.

ISX CM871 Engines

The ISX CM871 engine series, known for its robust design and efficiency, utilizes the Flexible Hose 4975977 in several key applications. This hose is particularly important in maintaining the integrity of the engine’s fluid pathways, ensuring that the engine operates smoothly under various conditions. Its flexibility allows it to accommodate the natural movements of the engine, reducing the risk of leaks and wear.

Grouping of Engines

In the broader context of Cummins engine applications, the Flexible Hose 4975977 is compatible with a range of engine models that share similar design and operational characteristics. This includes engines that are part of the same series or those that have been engineered to work with interchangeable components. By grouping these engines, the hose ensures a standardized fit, simplifying maintenance and repair processes.

The compatibility of the Flexible Hose 4975977 with these engines underscores Cummins’ commitment to providing high-quality, reliable parts that enhance the performance and longevity of their engines.

Role of Part 4975977 Flexible Hose in Engine Systems

The part 4975977 Flexible Hose is an essential component in various engine systems, facilitating the efficient transfer of fluids and gases under dynamic conditions.

Plumbing Systems

In plumbing systems, the 4975977 Flexible Hose is utilized to connect different sections of the system, accommodating movements and vibrations that occur during engine operation. This flexibility ensures a secure and leak-free connection between rigid pipes, reducing the risk of wear and tear on the system. The hose’s ability to flex and bend allows it to maintain a consistent flow of fluids, whether it is coolant, oil, or fuel, ensuring the engine operates within optimal temperature and lubrication parameters.

Turbocharger Systems

When integrated into turbocharger systems, the 4975977 Flexible Hose plays a significant role in managing the high-pressure exhaust gases that drive the turbine. The hose connects the exhaust manifold to the turbocharger, withstanding the extreme temperatures and pressures generated during operation. Its flexibility accommodates the thermal expansion and contraction of the exhaust system, preventing stress on the connections and reducing the likelihood of leaks. This ensures that the turbocharger receives a consistent flow of exhaust gases, enhancing its efficiency and contributing to improved engine performance and power output.

Conclusion

The 4975977 Flexible Hose by Cummins is a critical component in the fluid transport systems of commercial trucks, designed to withstand the demanding conditions of engine operation. Its flexibility, durability, and ease of installation make it a valuable asset for maintaining the efficiency and reliability of engine systems. Regular maintenance and proper installation are key to maximizing the performance and longevity of this part.