3899718
Flexible Hose
Cummins®

The Cummins 3899718 Flexible Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s system, facilitating the transport of fluids between various parts of the engine and other systems. This part is engineered to withstand the demanding conditions typical of commercial truck operations, ensuring reliable performance and longevity.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive applications to connect different parts of a system, allowing for movement and vibration without compromising the integrity of the fluid pathway. They are constructed from materials that offer flexibility, durability, and resistance to the fluids they transport. Within a system, flexible hoses play a role by providing a dynamic connection that can accommodate the mechanical movements and thermal expansions that occur during operation ¹.

Purpose of the 3899718 Flexible Hose

This Cummins part is designed to connect specific components within a truck’s system, facilitating the transport of fluids such as coolant, fuel, or hydraulic fluid. It plays a role in maintaining the efficiency and reliability of the systems it serves by ensuring a secure and flexible connection between parts that may move relative to each other during operation.

Key Features

The 3899718 Flexible Hose is characterized by several key features that enhance its performance and durability. These include a material composition that resists wear and chemical degradation, flexibility that allows it to accommodate movement and vibration, and a design that ensures a secure fit and easy installation. These features contribute to the hose’s ability to perform reliably in the challenging environment of a commercial truck.

Benefits

Using this part offers several advantages. Its flexibility reduces stress on connected components compared to rigid hoses, potentially extending the lifespan of those parts. The hose’s durability ensures it can withstand harsh operating conditions, minimizing the need for frequent replacements. Additionally, its design enhances the overall reliability of the systems it connects, contributing to the truck’s performance and efficiency.

Installation Considerations

Proper installation of the 3899718 Flexible Hose is vital to ensure its effectiveness and longevity. Best practices include verifying the correct fitment within the truck’s system, ensuring all connections are secure, and following manufacturer guidelines for installation. Attention to these details helps prevent leaks, ensures optimal performance, and contributes to the hose’s durability.

Troubleshooting and Maintenance

Regular maintenance and timely troubleshooting are important for extending the life of the 3899718 Flexible Hose. Common issues may include leaks, cracks, or signs of wear, which can often be identified through routine inspections. Maintenance practices such as checking for proper fitment, ensuring connections are tight, and replacing the hose when signs of degradation appear, contribute to its longevity and reliability.

Cummins 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 a commitment to quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities and dealerships. The company’s product range includes engines for on-highway, off-highway, and stationary applications, demonstrating its versatility and expertise in the automotive industry.

Flexible Hose Part 3899718 in Cummins Engines

The Cummins Flexible Hose part number 3899718 is a component in the maintenance and operation of various Cummins engines, including the M11 CELECT PLUS and M11 MECHANICAL engines. This part is designed to provide a flexible connection between different parts of the engine system, ensuring smooth operation and reducing wear and tear on rigid connections.

M11 CELECT PLUS Engine

In the M11 CELECT PLUS engine, the Flexible Hose part 3899718 is integral to the engine’s fuel and coolant systems. Its flexibility allows it to accommodate the movement and vibrations inherent in the engine’s operation, preventing potential leaks and maintaining the integrity of the connections. This hose is particularly important in maintaining the efficiency and reliability of the engine’s electronic control systems.

M11 MECHANICAL Engine

For the M11 MECHANICAL engine, the Flexible Hose part 3899718 serves a similar purpose but is tailored to the mechanical nature of this engine. It connects various fluid lines, ensuring that the engine’s mechanical components receive the necessary fluids without the risk of rigid connections causing damage or failure. This part is essential for maintaining the engine’s performance and longevity.

Grouping of Engines

Both the M11 CELECT PLUS and M11 MECHANICAL engines benefit from the use of the Flexible Hose part 3899718, despite their differences in design and operation. The hose’s flexibility and durability make it a versatile component suitable for a range of engine types within the Cummins lineup. Its application in these engines highlights the importance of flexible connections in modern engine design, ensuring that both electronic and mechanical systems operate smoothly and efficiently.

Role of Part 3899718 Flexible Hose in Fuel Plumbing Systems

Part 3899718 Flexible Hose is integral to the fuel plumbing system, facilitating the safe and efficient transfer of fuel from the tank to the engine. This component is designed to withstand the dynamic pressures and temperatures associated with fuel transport, ensuring a reliable connection between rigid fuel lines and moving engine components.

In fuel plumbing, the Flexible Hose accommodates the natural vibrations and movements of the engine, preventing stress on the fuel lines that could lead to leaks or failures. It connects to the fuel pump, fuel filter, and fuel injectors, allowing for uninterrupted fuel flow even as the engine operates under varying conditions.

The hose’s flexibility is particularly important in areas where the fuel line must navigate around other engine components or pass through tight spaces. Its design reduces the risk of abrasion and damage to the fuel line, contributing to the overall durability and performance of the fuel system.

Additionally, the Flexible Hose plays a role in maintaining fuel pressure within the system. By providing a consistent and leak-free pathway for fuel, it helps to ensure that the engine receives a steady supply of fuel, which is essential for optimal combustion and engine efficiency.

Conclusion

In summary, the 3899718 Flexible Hose is a key component in the fuel plumbing system, offering the necessary flexibility and durability to support the complex demands of modern engine systems. Its role in connecting various engine components, accommodating movement and vibration, and ensuring reliable fluid transport underscores its importance in maintaining the performance and efficiency of commercial trucks.