4978306
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$669.95 $797.24

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 4978306 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. Understanding its purpose and role is fundamental for maintaining the efficiency and reliability of truck operations.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in various automotive systems to transfer fluids or gases. They are engineered to withstand varying conditions, including changes in temperature, pressure, and movement. Their flexibility allows for dynamic connections between rigid components, accommodating the natural movements and vibrations of a vehicle 1.

Purpose of the 4978306 Flexible Hose

The Cummins 4978306 Flexible Hose is designed to connect specific systems within a truck, enabling the transfer of fluids or gases between them. Its role is to provide a durable and flexible connection that can withstand the operational stresses and environmental conditions encountered in commercial trucking.

Key Features

This Cummins part is characterized by several key features that enhance its performance. These include its material composition, which is selected for durability and resistance to the specific fluids or gases it transfers. Its flexibility is designed to accommodate the movements of connected components, while its construction ensures longevity in demanding environments.

Benefits

The use of the 4978306 offers several benefits. Its flexibility allows for more adaptable routing within the truck’s systems, reducing the stress on connected components. Additionally, its durable construction ensures it can withstand harsh operating conditions, contributing to the overall reliability of the truck’s systems.

Installation Considerations

Proper installation of this part is crucial for its optimal performance and longevity. Installation procedures should follow manufacturer guidelines to ensure secure and efficient connections. Attention to detail during installation can prevent common issues such as leaks or reduced flexibility.

Troubleshooting and Maintenance

Regular maintenance and timely troubleshooting are important for the 4978306. Common issues may include leaks or a decrease in flexibility, which can often be addressed through inspection and replacement if necessary. Adhering to maintenance schedules can help prolong the service life of the hose.

Cummins Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of products and commitment to quality. The company’s history and reputation are built on providing reliable and efficient solutions for the transportation sector, including components like the 4978306 Flexible Hose.

Cummins Part 4978306: Flexible Hose Compatibility with Cummins Engines

This part is designed to integrate seamlessly with a range of Cummins engines, ensuring optimal performance and reliability. It is engineered to meet the stringent demands of various engine applications, providing a durable and flexible solution for connecting different components within the engine system.

QSK60 and CM850 Engines

The QSK60 and CM850 engines are part of Cummins’ heavy-duty engine lineup, known for their robust construction and high power output. The Flexible Hose part 4978306 is specifically designed to fit these engines, ensuring that it can withstand the high pressures and temperatures typical of these applications. This hose is crucial for maintaining the integrity of the engine’s fluid systems, providing a reliable connection that can flex and move with the engine components without leaking or failing.

MCRS Engines

The MCRS (Marine Commercial Repower Series) engines are another category where the Cummins part 4978306 is highly applicable. These engines are designed for marine applications, requiring components that can endure the harsh marine environment. The Flexible Hose part 4978306 is engineered to provide a flexible and durable connection in these demanding conditions, ensuring that the engine’s fluid systems remain intact and operational.

Grouping of Engines

When considering the QSK60, CM850, and MCRS engines together, it is evident that the Flexible Hose part 4978306 is a versatile component that can be used across different engine types within Cummins’ product range. This flexibility in application underscores the importance of using high-quality, manufacturer-approved parts to ensure the longevity and efficiency of the engine systems. The part’s design allows it to be a critical component in maintaining the performance and reliability of these engines, whether they are used in heavy-duty terrestrial applications or in marine environments.

Role of Part 4978306 Flexible Hose in Engine Systems

The Part 4978306 Flexible Hose is an essential component in various engine systems, facilitating the efficient transfer of fluids and gases between different parts of the engine. Its flexibility allows it to connect rigid components, accommodating the natural movements and vibrations of the engine without compromising the integrity of the fluid pathways.

Heat Exchanger Applications

In heat exchanger systems, the Flexible Hose ensures a secure and leak-free connection between the heat exchanger and other components. This is vital for maintaining the efficiency of heat transfer processes. The hose’s flexibility helps in absorbing thermal expansion and contraction, which are common in heat exchanger operations.

Plumbing Systems

Within the engine’s plumbing system, the Flexible Hose plays a significant role in connecting various fluid lines. Whether it’s coolant, fuel, or other fluids, the hose provides a reliable pathway that can withstand the pressure and temperature variations inherent in engine operations. Its design allows for easy installation and maintenance, reducing the risk of leaks and system failures.

Engine Oil Primer

The Flexible Hose is also utilized in engine oil primer systems. Here, it connects the oil pump to the engine’s lubrication points, ensuring a consistent flow of oil to critical engine components. This helps in reducing friction and wear, contributing to the overall longevity and performance of the engine.

Conclusion

In summary, the Part 4978306 Flexible Hose is a versatile component that enhances the functionality and reliability of various engine systems by providing flexible, durable connections that can adapt to the dynamic environment within an engine. Its application across different Cummins engine types underscores its importance in maintaining the performance and reliability of these engines in both terrestrial and marine environments.


  1. Vehicle Dynamics and Control, Rajesh Rajamani, Springer, 2005

SPECIFICATIONS

Package Dimensions
89.0 x 20.0 x 5.0 in
Weight
1.131 lb
* 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.