4975203
Flexible Hose
Cummins®

Introduction

The Cummins 4975203 Flexible Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, facilitating the transfer of fluids or gases. Its role is significant for maintaining the operational efficiency and reliability of the vehicle.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in various automotive systems to transfer fluids or gases. They are constructed to withstand varying conditions, including changes in temperature, pressure, and movement. These hoses provide a flexible connection between rigid components, accommodating the natural vibrations and movements of the vehicle without compromising the integrity of the fluid or gas transfer ¹.

Purpose of the 4975203 Flexible Hose

The Cummins 4975203 Flexible Hose is designed to connect specific systems within a truck, enabling the transfer of particular fluids or gases. It plays a role in ensuring that these substances are conveyed efficiently between components, contributing to the overall functionality of the truck’s systems.

Key Features

The 4975203 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include its material composition, which is selected for durability and resistance to the specific fluids or gases it transfers. The hose’s flexibility allows it to adapt to the movements of the truck, while its design characteristics ensure a secure and reliable connection.

Benefits

The use of the 4975203 Flexible Hose offers several benefits. It contributes to improved system reliability by providing a durable and flexible connection. It reduces the risk of leaks, which can occur with rigid connections under the stress of vehicle movement. Additionally, its flexibility in routing allows for easier installation and maintenance. Over time, the hose can offer potential cost savings by minimizing the need for repairs or replacements ².

Installation Considerations

Proper installation of the 4975203 Flexible Hose is important for ensuring optimal performance and longevity. This includes following specific procedures and best practices, such as ensuring the hose is correctly aligned and secured, and that all connections are tight and free from damage.

Troubleshooting Common Issues

Common issues that may arise with the 4975203 Flexible Hose include leaks, kinks, or degradation. Troubleshooting these issues involves inspecting the hose for signs of wear or damage, ensuring all connections are secure, and replacing the hose if necessary ³.

Maintenance Tips

Regular maintenance practices can prolong the life of the 4975203 Flexible Hose. This includes inspecting the hose at regular intervals for signs of wear or damage, cleaning it as necessary, and following replacement guidelines to ensure the hose remains in optimal condition.

About Cummins

Cummins Inc. is a well-established company within the commercial truck industry, known for its range of products and its reputation for quality and reliability. The company has a history of innovation and commitment to meeting the needs of its customers, providing solutions that enhance the performance and efficiency of commercial vehicles.

Cummins Engine Part 4975203: Flexible Hose Compatibility

The Cummins part 4975203, a Flexible Hose, is designed to fit seamlessly within a range of Cummins engine models. This part is engineered to provide reliable connections and flexibility, ensuring optimal performance and durability across various engine configurations.

ISX12/ISX11.9 CM2250 Engines

The Flexible Hose part 4975203 is compatible with the ISX12 and ISX11.9 CM2250 engines. These engines are known for their robust performance and efficiency, and the flexible hose ensures that the necessary fluid connections are maintained without undue stress or wear.

ISZ13 CM2150 Z105 and QSZ13 CM2150 Z101/Z102 Engines

The part 4975203 also fits the ISZ13 CM2150 Z105 engine, as well as the QSZ13 CM2150 Z101 and Z102 engines. These engines share similar design elements and operational requirements, making the flexible hose a versatile component that can be used across these models.

Z13 Z108G Engine

Lastly, the Flexible Hose part 4975203 is also suitable for the Z13 Z108G engine. This engine benefits from the flexibility and durability of the hose, ensuring that it can handle the demands of its operational environment effectively.

Role of Part 4975203 Flexible Hose in Engine Systems

The part 4975203 Flexible Hose is an essential component in the efficient operation of various engine systems. Its primary function is to facilitate the transfer of gases and fluids between different parts of the engine, ensuring smooth and reliable performance.

Breather System Integration

In the breather system, the 4975203 Flexible Hose plays a significant role by connecting the breather valve to the air intake system. This connection allows for the release of pressure built up within the crankcase. As the engine operates, gases and vapors are produced, which need to be vented to maintain optimal pressure levels. The flexible hose ensures a secure and durable link, accommodating the dynamic movements and vibrations of the engine without compromising the seal. This helps in preventing oil contamination and ensures that the breather system functions effectively, contributing to the overall health of the engine.

Crankcase Ventilation

The crankcase ventilation system relies on the 4975203 Flexible Hose to route crankcase gases to the intake manifold. During engine operation, blow-by gases escape past the piston rings and accumulate in the crankcase. These gases, if not properly ventilated, can lead to increased pressure and potential oil degradation. The flexible hose provides a reliable pathway for these gases to be drawn into the intake manifold, where they are burned during combustion. This not only helps in maintaining crankcase pressure but also reduces emissions by ensuring that these gases are properly handled and reused in the combustion process.

Enhanced Durability and Performance

The use of a flexible hose in these systems offers several advantages over rigid connections. Its flexibility allows it to withstand the constant thermal expansion and contraction that occur within the engine compartment. This resilience ensures that the hose remains intact and functional over the engine’s lifespan, reducing the need for frequent replacements and maintenance. Additionally, the hose’s material is designed to resist the corrosive effects of engine gases and fluids, further enhancing its durability and performance ⁴.

Conclusion

The Cummins 4975203 Flexible Hose is a vital component in the breather and crankcase ventilation systems, ensuring efficient gas and fluid transfer, maintaining system integrity, and contributing to the engine’s overall performance and longevity.