4059251
Flexible Hose
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$204.95 $243.89

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 4059251 Flexible Hose is a component designed for use in commercial truck operations. It serves a specific function within the truck’s system, facilitating the transfer of fluids between various components. Understanding its purpose and role is fundamental for maintaining the efficiency and reliability of commercial trucks.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in automotive systems to connect different components, allowing for movement and vibration without compromising the integrity of the fluid transfer. They are made from materials that can bend and flex, providing a more durable and reliable connection compared to rigid pipes. In automotive applications, flexible hoses are commonly used for fuel, coolant, and hydraulic systems, among others 1.

Purpose of the Cummins 4059251 Flexible Hose

This Cummins part is designed to connect specific systems within a commercial truck, facilitating the transport of fluids such as coolant or fuel. Its role is to ensure a secure and flexible connection between components that may move relative to each other during operation, thereby maintaining the efficiency of the truck’s systems.

Key Features

The 4059251 boasts several key features that enhance its performance and longevity. These include a material composition that offers superior flexibility and durability, allowing it to withstand the rigors of commercial truck operation. Its design specifications are tailored to ensure a snug fit and secure connection, reducing the risk of leaks and improving overall system reliability.

Benefits

The use of this part provides several benefits. Its flexibility reduces the risk of leaks that can occur with rigid hoses, while its durable construction ensures longevity even under demanding conditions. Additionally, the ease of installation compared to rigid hoses can save time and labor during maintenance or repair operations.

Installation Considerations

When installing the 4059251, it is important to follow guidelines and best practices to ensure proper fitting and secure connections. This includes using the correct fitting methods and ensuring that the hose is aligned correctly with the connected components. Proper installation is key to maximizing the hose’s performance and durability.

Troubleshooting Common Issues

Common issues with flexible hoses may include leaks, kinks, or degradation over time. To address these problems, it is important to conduct regular inspections and maintenance. Troubleshooting steps may involve checking for proper alignment, ensuring fittings are secure, and replacing the hose if signs of wear or damage are detected.

Maintenance Tips

Regular maintenance of the 4059251 is crucial for ensuring its continued performance and reliability. This includes inspecting the hose for signs of wear, such as cracks or leaks, and replacing it when necessary. Adhering to recommended inspection intervals and maintenance procedures can help prevent unexpected failures and ensure the hose remains in optimal condition.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality and reliability, which is reflected in its product offerings, including the 4059251.

Cummins Flexible Hose 4059251 in Engine Applications

The Cummins Flexible Hose part number 4059251 is a component designed to ensure smooth and reliable operation in various engine configurations. This part is engineered to withstand the rigors of engine environments, providing flexibility and durability in applications that require movement and resistance to high temperatures.

ISX CM570 Engine

In the ISX CM570 engine, the Flexible Hose 4059251 is utilized to connect different parts of the engine’s cooling system. Its design allows for the necessary flexibility to accommodate the engine’s movement, reducing stress on rigid connections and minimizing the risk of leaks or failures. This hose is particularly important in maintaining the integrity of the coolant flow, which is essential for the engine’s thermal management 2.

Grouping of Engine Applications

The Cummins Flexible Hose 4059251 is not limited to the ISX CM570 engine alone. It is also compatible with other Cummins engine models that require similar functionality. This part is engineered to fit seamlessly into various engine systems, ensuring that it can be used across multiple platforms without compromising performance or reliability.

Role of Part 4059251 Flexible Hose in Engine Systems

The part 4059251 Flexible Hose is a component in the efficient operation of various engine systems. Its primary function is to facilitate the smooth and uninterrupted flow of fluids, ensuring that the engine operates at optimal performance.

Fuel Pump Integration

In systems equipped with a fuel pump, the 4059251 Flexible Hose plays a significant role. It connects the fuel pump to the fuel tank, allowing for the transfer of fuel from the tank to the engine. This connection is vital for maintaining a consistent fuel supply, which is necessary for the engine’s combustion process. The flexibility of the hose accommodates the movement and vibrations inherent in engine operation, reducing the risk of leaks and ensuring a reliable fuel delivery system.

Primer and Priming Pump Systems

When integrated with a primer or priming pump, the 4059251 Flexible Hose aids in the initial filling of the fuel system. During the priming process, the hose allows fuel to flow from the tank to the engine, preparing the system for operation. This is particularly important in engines that require manual priming before starting. The hose’s flexibility ensures that it can withstand the pressure changes during priming without compromising the integrity of the fuel line.

Fuel System Functionality

Within the broader fuel system, the 4059251 Flexible Hose contributes to the overall efficiency and reliability. It connects various components such as the fuel filter, carburetor, and fuel injectors, ensuring a seamless flow of fuel throughout the system. This uninterrupted flow is essential for maintaining the engine’s performance and preventing issues such as fuel starvation or inconsistent engine operation.

Ensuring System Integrity

The use of the 4059251 Flexible Hose in these systems helps maintain the integrity of the fuel lines. Its durable construction resists wear and tear, while its flexibility accommodates the dynamic nature of engine components. This reliability is key to preventing fuel leaks, which can pose safety hazards and lead to engine malfunctions.

Conclusion

In summary, the 4059251 Flexible Hose is a vital component in engine systems, particularly those involving fuel pumps, primers, and the overall fuel system. Its role in ensuring a consistent and reliable fuel flow contributes significantly to the engine’s performance and longevity.


  1. Lejda, K., & Wos, P. (2012). Internal Combustion Engines. InTech.

  2. Wharton, A. J. (1991). Diesel Engines. Butterworth-Heinemann Ltd.

SPECIFICATIONS

Package Dimensions
23.0 x 2.0 x 1.0 in
Weight
1.62 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.