3178364
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$589.95 $702.04

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 3178364 Flexible Hose Assembly, manufactured by Cummins, is a component designed for use in commercial trucks. It plays a role in the operation of these vehicles by facilitating the transfer of fluids between various parts of the truck’s system. Cummins, a well-established manufacturer in the automotive industry, produces this hose assembly to meet the demanding requirements of heavy-duty applications.

Basic Concepts of Flexible Hose Assemblies

Flexible hose assemblies are components used in fluid transfer systems to connect different parts of the system, allowing for movement and vibration without compromising the integrity of the fluid pathway. In the context of a truck’s infrastructure, these assemblies enable the transfer of fluids such as coolant, fuel, or hydraulic fluid between stationary and moving components. They are designed to withstand pressure, temperature variations, and the dynamic environment within a truck 1.

Purpose of the 3178364 Flexible Hose Assembly

The 3178364 Flexible Hose Assembly is specifically engineered to handle the transfer of fluids in commercial trucks. It connects critical components within the truck’s system, ensuring a reliable fluid pathway that can accommodate the movement and vibrations inherent in truck operations. This assembly is designed to manage various types of fluids, contributing to the efficient operation of the truck’s engine and other systems 2.

Key Features

The design and construction of the 3178364 Flexible Hose Assembly incorporate several features that enhance its performance. It is made from materials selected for their flexibility, durability, and resistance to the fluids it transports. The assembly’s flexibility allows it to bend and move with the truck’s components, while its durability ensures long-term reliability under demanding conditions. Unique characteristics, such as reinforced sections or specialized coatings, may be included to further improve its performance and longevity 3.

Benefits

Utilizing the 3178364 Flexible Hose Assembly offers several advantages. Its flexibility reduces the risk of leaks by accommodating movement and vibration without compromising the fluid pathway. The assembly’s durable construction ensures it can withstand the pressures and temperatures encountered in truck operations, leading to a longer service life. Additionally, its design facilitates ease of installation, allowing for efficient integration into the truck’s system 4.

Installation Considerations

When installing the 3178364 Flexible Hose Assembly, it is important to follow guidelines and best practices to ensure proper fit and function. This includes using the necessary tools for a secure connection, preparing the assembly and connection points to prevent leaks, and aligning the assembly correctly to accommodate the movement of connected components. Careful attention to these steps helps maintain the integrity of the fluid transfer system.

Troubleshooting Common Issues

Common problems that may arise with flexible hose assemblies include leaks, kinks, or degradation over time. To address these issues, it is important to conduct regular inspections for signs of wear or damage. Leaks can often be traced to improper installation or degradation of the hose material, while kinks may result from incorrect routing or external pressure. Identifying and correcting these issues promptly helps maintain the efficiency and safety of the truck’s fluid transfer system.

Maintenance Tips

To prolong the life of the 3178364 Flexible Hose Assembly, regular maintenance practices are recommended. This includes routine inspections for signs of wear, damage, or leaks, cleaning the assembly to remove any buildup that could affect its performance, and monitoring for any changes in the fluid transfer system that may indicate a need for replacement. Following these maintenance tips helps ensure the assembly continues to operate effectively throughout its service life.

Cummins Overview

Cummins Inc. is a leading manufacturer with a rich history in diesel engine production and a commitment to providing reliable and high-quality automotive components. The company’s expertise in engine technology and component manufacturing is reflected in its wide range of products, including the 3178364 Flexible Hose Assembly. Cummins’ dedication to quality and performance makes it a trusted name in the automotive industry.

Cummins Flexible Hose Assembly 3178364 in Engine Applications

The Cummins Flexible Hose Assembly part number 3178364 is a component in various engine configurations, ensuring efficient fluid transfer and maintaining system integrity. This part is designed to accommodate the dynamic movements and stresses inherent in engine operations, providing a reliable connection between different parts of the engine system.

In the K38 engine series, the Flexible Hose Assembly 3178364 is integral to the engine’s cooling and fuel systems. It connects the engine’s coolant passages to the radiator, allowing for the efficient transfer of heat away from the engine. This assembly is also used in the fuel system to link the fuel pump to the fuel injectors, ensuring a steady and uninterrupted fuel supply.

The design of the Flexible Hose Assembly 3178364 allows it to flex and move with the engine, reducing the risk of leaks and wear that can occur with rigid connections. This flexibility is particularly important in high-performance engines where vibrations and movements are more pronounced.

In the broader context of Cummins engine applications, the Flexible Hose Assembly 3178364 is used across various engine models and configurations. Its design and material composition are tailored to meet the specific demands of each engine type, ensuring optimal performance and longevity.

Role of Part 3178364 Flexible Hose Assembly in Engine Systems

The Part 3178364 Flexible Hose Assembly is an integral component in various engine systems, facilitating the efficient transfer of fluids and gases under dynamic conditions. Its application spans across several key systems, enhancing both performance and reliability.

Coolant Heater Plumbing

In the coolant heater plumbing system, the Flexible Hose Assembly ensures a secure and flexible connection between the coolant heater and the engine’s cooling system. This allows for the effective circulation of heated coolant, which is essential for maintaining optimal engine temperature during cold starts. The flexibility of the hose accommodates the movement and vibrations inherent in engine operation, preventing leaks and ensuring consistent coolant flow.

Mounting

When it comes to mounting components, the Flexible Hose Assembly provides a vital link between stationary and moving parts. For instance, in fuel systems where components like fuel pumps or injectors are mounted on the engine block, the hose assembly allows for necessary movement without compromising the integrity of the fuel line. This flexibility reduces stress on connections, prolonging the lifespan of both the hose and the mounted components.

Starting Aid

In systems equipped with a starting aid, such as ether starting systems used in diesel engines, the Flexible Hose Assembly plays a significant role. It connects the starting aid canister to the intake tract, allowing the introduction of ether into the combustion chamber to facilitate easier cold starts. The hose’s flexibility ensures that it can withstand the rigors of engine movement and thermal expansion, maintaining a reliable seal and delivery of the starting aid.

Overall, the Part 3178364 Flexible Hose Assembly is a versatile component that enhances the functionality and durability of various engine systems by providing flexible, secure connections that accommodate the dynamic nature of engine operation.

Conclusion

The 3178364 Flexible Hose Assembly by Cummins is a critical component in the fluid transfer systems of commercial trucks and various engine applications. Its design, featuring flexibility, durability, and resistance to fluids, ensures reliable performance under demanding conditions. Regular maintenance and proper installation are key to maximizing its service life and efficiency. Cummins’ commitment to quality and performance is evident in the design and functionality of this part, making it a valuable asset in the automotive industry.


  1. Bennett, Sean. Modern Diesel Technology: Light Duty Diesels. Cengage Learning, 2012.

  2. Pulkrabek, Willard W. Engineering Fundamentals of the Internal Combustion Engine. Pearson Education, 2014.

  3. Quigley, Jon M. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

  4. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing, 2011.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
76.0 x 15.0 x 3.0 in
Weight
1.179 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.