4086539
Flexible Hose
Cummins®

The Cummins Flexible Hose Assembly, part number 4086539, is designed to facilitate the efficient transfer of fluids within commercial truck systems. This part plays a significant role in maintaining the operational integrity of various truck systems by providing a flexible conduit for fluid movement, which is vital for the overall performance and reliability of commercial vehicles.

Basic Concepts of Flexible Hose Assemblies

Flexible hose assemblies are components used in automotive and other mechanical systems to connect different parts that require fluid transfer. These assemblies are designed to accommodate movement and vibration, which are common in vehicle operations. They provide a pathway for fluids such as coolant, fuel, or hydraulic fluid to flow between components, ensuring that systems function correctly without the risk of leaks or damage from rigid connections ¹.

Purpose of the Cummins Flexible Hose Assembly

The Cummins Flexible Hose Assembly, part number 4086539, is specifically engineered to connect various systems within a truck, facilitating the transport of fluids essential for the vehicle’s operation. It plays a role in linking components that may move relative to each other, ensuring a continuous and secure fluid pathway. This assembly is integral to systems that require flexibility in their connections, such as those involving the engine, transmission, or hydraulic systems.

Key Features

The Cummins Flexible Hose Assembly boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to the high pressures and temperatures encountered in truck operations. Its design includes reinforced layers to prevent kinking and ensure a smooth flow of fluids. Additionally, the assembly features secure connection points that are designed to withstand the dynamic environment of a commercial truck.

Benefits

The advantages of the Cummins Flexible Hose Assembly include its improved flexibility, which allows it to accommodate the movement and vibration inherent in truck operations. Its durability ensures long-term reliability, while its resistance to high pressures and temperatures contributes to the overall efficiency of the truck’s systems. By providing a secure and flexible fluid pathway, this assembly helps maintain the performance and longevity of the connected systems.

Installation Considerations

When installing the Cummins Flexible Hose Assembly, it is important to ensure compatibility with the specific truck model and its systems. Following manufacturer guidelines for installation is recommended to ensure proper fit and function. Precautions should be taken to avoid damage to the assembly during installation, and all connections should be checked for security and integrity before operation.

Troubleshooting Common Issues

Common problems with flexible hose assemblies may include leaks or signs of wear. To address these issues, a systematic approach to troubleshooting is advised. This involves inspecting the assembly for visible damage, checking connection points for security, and testing for leaks under operating conditions. Identifying the root cause of any issue is key to implementing an effective solution.

Maintenance Tips

Regular maintenance of the Cummins Flexible Hose Assembly is crucial for ensuring its longevity and reliable performance. This includes periodic inspections for signs of wear or damage, checking connection points for security, and cleaning the assembly as necessary. Adhering to recommended inspection intervals and care procedures will help prevent issues and ensure the assembly continues to function effectively.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial truck, bus, construction, agricultural, and industrial markets. The company is renowned for its commitment to reliability, performance, and customer satisfaction, making it a trusted name in the commercial truck industry ².

Cummins Engine Compatibility with Flexible Hose Assembly Part 4086539

The Cummins Flexible Hose Assembly part number 4086539 is designed to integrate seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. This part is particularly suited for use in the QSK45 and CM500 engine series, where it plays a crucial role in maintaining the integrity of the engine’s fluid systems.

In the QSK45 engine series, the Flexible Hose Assembly part 4086539 is engineered to connect various fluid lines, facilitating the transfer of essential fluids such as coolant, oil, and fuel. Its flexibility allows it to accommodate the engine’s movements and vibrations, reducing the risk of leaks and ensuring a secure connection. This is particularly important in heavy-duty applications where the engine is subjected to significant stress and movement.

Similarly, in the CM500 engine series, the part 4086539 is designed to fit into the engine’s fluid management system, providing a reliable connection point for fluid lines. The flexibility of the hose assembly ensures that it can withstand the dynamic conditions of the engine environment, maintaining the integrity of the fluid pathways and preventing potential failures.

Both the QSK45 and CM500 engines benefit from the use of this part, as it helps to maintain the efficiency and longevity of the engine’s fluid systems. The compatibility of the Flexible Hose Assembly part 4086539 with these engines underscores Cummins’ commitment to providing high-quality, durable components that enhance engine performance and reliability.

Role of Part 4086539 Flexible Hose Assembly in Engine Systems

The part 4086539 Flexible Hose Assembly is an essential component in the efficient operation of various engine systems. It is primarily utilized in the breather and crankcase systems, where it facilitates the smooth transfer of gases and fluids.

In the breather system, the flexible hose assembly connects the breather valve to the air intake system. This connection allows for the regulated release of pressure built up within the crankcase. By providing a flexible yet durable link, the hose assembly ensures that the breather system can effectively manage pressure without the risk of leaks or damage from engine vibrations.

Within the crankcase system, the flexible hose assembly plays a significant role in maintaining the integrity of the ventilation process. It connects the crankcase to the positive crankcase ventilation (PCV) valve, enabling the safe and efficient removal of blow-by gases. These gases, which consist of unburned fuel, combustion byproducts, and moisture, are routed back into the intake manifold to be re-burned, thus reducing emissions and improving engine performance.

The flexibility of the hose assembly is particularly beneficial in accommodating the dynamic movements and thermal expansions that occur within the engine compartment. This flexibility helps prevent stress on connections and reduces the likelihood of cracks or failures, ensuring long-term reliability.

In summary, the part 4086539 Flexible Hose Assembly is integral to the proper functioning of the breather and crankcase systems, contributing to pressure management, emission control, and overall engine efficiency.

Conclusion

The Cummins Flexible Hose Assembly, part number 4086539, is a critical component for the efficient operation of commercial truck systems. Its flexibility, durability, and resistance to high pressures and temperatures make it an essential part for maintaining the integrity of fluid transfer systems in engines. Regular maintenance and proper installation are key to ensuring its longevity and reliable performance.