4078326
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$244.95 $291.49

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 4078326 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids within the truck’s operational systems, facilitating efficient and safe fluid transfer. This hose is integral to maintaining the functionality and performance of the truck’s systems by providing a flexible connection that can accommodate movement and vibration inherent in vehicle operation.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized across various automotive systems to transfer fluids such as coolant, fuel, and hydraulic fluid. They are designed to offer flexibility and durability, allowing them to withstand the dynamic conditions within a vehicle. Flexible hoses function by providing a pathway for fluid flow that can bend and flex without compromising the integrity of the fluid transfer. This flexibility is crucial in environments where rigid pipes might fail due to movement or vibration 1.

Purpose of the Cummins 4078326 Flexible Hose

The Cummins 4078326 Flexible Hose plays a specific role in the operation of a truck by connecting various systems and transporting essential fluids. It is typically used in applications where flexibility is required to accommodate the movement between components. The hose may connect the engine to the radiator, facilitate fuel delivery, or serve other critical fluid transfer roles within the truck’s systems.

Key Features

The Cummins 4078326 Flexible Hose is characterized by several key features that enhance its performance and durability. These include a robust material composition designed to resist wear, corrosion, and high temperatures. The hose may incorporate reinforced layers to improve strength and flexibility, ensuring it can withstand the pressures and environmental conditions encountered in commercial truck applications. Unique characteristics such as kink resistance and a smooth inner lining may also be present to facilitate efficient fluid flow and reduce the risk of blockages.

Benefits

The advantages provided by the Cummins 4078326 Flexible Hose include improved flexibility, which allows it to accommodate the dynamic movements of truck components without failure. Its resistance to wear and tear ensures longevity, reducing the need for frequent replacements. Enhanced safety and efficiency in fluid transfer are achieved through its design, which minimizes the risk of leaks and ensures consistent fluid flow under varying operational conditions.

Installation Considerations

Proper installation of the Cummins 4078326 Flexible Hose involves following guidelines and best practices to ensure optimal performance and safety. This may include using specific tools for clamping and securing the hose to prevent leaks. Careful routing of the hose to avoid sharp bends or kinks is also important. Additionally, ensuring that all connections are tight and secure will help maintain the integrity of the fluid transfer system.

Troubleshooting Common Issues

Common problems associated with flexible hoses, such as leaks or kinks, can often be identified through regular inspection and maintenance. Diagnosing these issues may involve checking for signs of wear, corrosion, or physical damage. Resolving these problems can include repairing or replacing damaged sections of the hose, ensuring all connections are secure, and routing the hose to avoid stress points.

Maintenance Tips

Regular maintenance of the Cummins 4078326 Flexible Hose is recommended to ensure longevity and reliable performance. This includes inspecting the hose for signs of wear, corrosion, or damage at regular intervals. Cleaning the hose and its connections to remove any buildup that could impede fluid flow is also important. Following these care procedures will help maintain the efficiency and safety of the fluid transfer system.

Safety Precautions

When working with the Cummins 4078326 Flexible Hose, it is important to observe safety measures to protect against potential hazards. This includes handling the hose with care to avoid damage and wearing appropriate personal protective equipment when performing maintenance or repairs. Being aware of the potential for fluid leaks and the associated risks, such as slips or fires, is also crucial.

Cummins Overview

Cummins Inc. is a well-established company with a significant reputation in the commercial truck industry. Founded in 1919, Cummins has grown to become a leading manufacturer of diesel engines, related technologies, and power generation equipment. The company is known for its commitment to innovation, quality, and customer satisfaction, making it a trusted name in the industry.

Cummins Part 4078326: Flexible Hose Compatibility

The Cummins part 4078326, a Flexible Hose, is designed to fit seamlessly within a variety of engine configurations. This versatile component is engineered to meet the rigorous demands of modern engines, ensuring reliable performance and durability.

QSM11 Engines

The Cummins part 4078326 is compatible with the QSM11 engine series. This engine series is known for its robust design and efficiency, making it a popular choice in various industrial applications. The flexible hose ensures smooth fluid transfer, reducing wear and tear on the engine components.

CM570 Engines

Similarly, the Cummins part 4078326 is also suitable for the CM570 engine series. The CM570 engines are recognized for their power and reliability, often used in heavy-duty applications. The flexible hose in this context provides essential flexibility, accommodating the dynamic movements of the engine and maintaining optimal fluid flow.

Grouping of Engines

Both the QSM11 and CM570 engine series benefit from the use of the Cummins part 4078326. These engines, while differing in specific applications and capacities, share a common need for reliable and durable hose solutions. The part’s design ensures it can handle the unique operational demands of each engine type, providing a seamless fit and function.

Role of Part 4078326 Flexible Hose in Engine Systems

Part 4078326 Flexible Hose is integral to the efficient operation of various engine systems. Its primary function is to facilitate the transfer of fluids, gases, or other substances between components that may experience movement or vibration. This flexibility is essential in maintaining a secure and leak-free connection.

In systems involving resistors, the flexible hose ensures that electrical connections remain intact despite the dynamic environment of an engine. This is particularly important in applications where resistors are used to manage electrical current flow or to provide precise resistance values for sensors and other electronic components. The hose’s flexibility accommodates the slight movements that can occur due to thermal expansion or mechanical vibrations, thereby preserving the integrity of the electrical pathways.

When it comes to corrosion management, part 4078326 plays a significant role in protecting sensitive components from the detrimental effects of corrosive substances. In engine systems where fluids like coolant or fuel are transported, the hose acts as a barrier that prevents direct contact between these substances and metal components prone to corrosion. This is especially vital in marine or industrial engines exposed to harsh environments where corrosion can rapidly degrade system performance.

Additionally, the flexible hose is often employed in fuel delivery systems, where it connects the fuel tank to the engine’s fuel injection system. Here, its role is to ensure a consistent and uninterrupted flow of fuel, accommodating the engine’s movements without causing leaks or restrictions.

In exhaust systems, the hose may be used to connect various components, such as catalytic converters or mufflers, allowing for the safe and efficient expulsion of exhaust gases. Its flexibility helps in absorbing vibrations and thermal expansions, which are common in high-temperature exhaust environments.

Overall, part 4078326 Flexible Hose is a versatile component that enhances the reliability and performance of engine systems by providing flexible, secure connections between moving or vibrating parts.

Conclusion

The Cummins 4078326 Flexible Hose is a critical component in the operation of commercial truck systems, offering flexibility, durability, and efficient fluid transfer. Its compatibility with various engine configurations, including the QSM11 and CM570 series, underscores its versatility and importance in maintaining engine performance. Regular maintenance and proper installation are key to ensuring the longevity and reliability of this part, contributing to the overall efficiency and safety of the vehicle’s fluid transfer systems.


  1. Engineering Mechanics: Statics, Libby Osgood, Gayla Cameron, and Emma Christensen, Creative Commons, 2024.

SPECIFICATIONS

Package Dimensions
10.25 x 2.25 x 10.0 in
Weight
1.15 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.