3089478
Plain Hose Coupling
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$189.95 $226.04

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

Introduction

The Cummins 3089478 Plain Hose Coupling is a component designed for use in commercial truck operations. It serves a vital role in connecting hoses within the fluid transfer systems of these vehicles. Its significance lies in ensuring the efficient and reliable transfer of fluids, which is essential for the proper functioning of various truck systems 3.

Basic Concepts of Plain Hose Couplings

Plain hose couplings are devices used to join two hoses or a hose to a fitting, allowing for the transfer of fluids such as coolant, fuel, or hydraulic fluid. They are integral to fluid transfer systems, providing a secure and leak-free connection. These couplings are commonly used in applications where flexibility and ease of connection are required, such as in mobile equipment and commercial vehicles 1.

Purpose of the Cummins 3089478 Plain Hose Coupling

The Cummins 3089478 Plain Hose Coupling is specifically designed to facilitate the connection of hoses in commercial trucks. It plays a role in the fluid transfer system by ensuring a secure and reliable connection, which is necessary for the efficient operation of the truck. This coupling allows for the transfer of fluids between different components of the truck, contributing to the overall performance and reliability of the vehicle 3.

Key Features

The Cummins 3089478 Plain Hose Coupling is characterized by several key features that enhance its performance and durability. Its design includes precision-machined components that ensure a tight seal, reducing the risk of leaks. The materials used in its construction are selected for their strength and resistance to corrosion, ensuring longevity in demanding environments. Additionally, the coupling may feature unique attributes such as a self-aligning design, which simplifies the installation process and reduces the likelihood of misalignment 3.

Benefits

The Cummins 3089478 Plain Hose Coupling offers several advantages for truck maintenance and operation. Its design contributes to improved efficiency by ensuring a secure connection that minimizes fluid loss. The reliability of the coupling reduces the need for frequent repairs, leading to lower maintenance costs. Furthermore, its ease of use simplifies the installation and replacement processes, making it a practical choice for fleet managers and technicians 3.

Installation Process

Proper installation of the Cummins 3089478 Plain Hose Coupling involves several steps to ensure a secure and leak-free connection. Begin by inspecting the hoses for any damage or debris that could interfere with the coupling’s performance. Clean the hose ends to remove any contaminants. Align the coupling with the hose ends and push them into place until a secure connection is achieved. It is important to follow the manufacturer’s guidelines to avoid over-tightening, which could damage the coupling or the hoses 3.

Common Issues and Troubleshooting

Frequent problems associated with plain hose couplings include leaks, misalignment, and wear. To troubleshoot these issues, first, inspect the coupling for signs of damage or corrosion. Ensure that the hoses are properly aligned and seated within the coupling. If leaks persist, check for proper torque on any locking mechanisms and verify that the hoses are compatible with the coupling. Regular inspection and maintenance can help prevent these issues 3.

Maintenance Tips

To prolong the lifespan of the Cummins 3089478 Plain Hose Coupling, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, cleaning the coupling to remove any buildup, and ensuring that all connections are secure. Replacement guidelines should be followed when the coupling shows signs of significant wear or if it has been damaged. Adhering to these maintenance practices will help maintain the efficiency and reliability of the fluid transfer system 3.

Safety Considerations

When working with plain hose couplings, it is important to observe safety protocols to prevent accidents. Ensure that the area is well-ventilated when dealing with fluid transfer systems to avoid inhalation of harmful vapors. Use appropriate personal protective equipment, such as gloves and safety glasses, to protect against spills and debris. Follow all manufacturer guidelines for installation and maintenance to ensure safe operation 3.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company offers a wide range of products designed to meet the needs of various applications, from on-highway to off-highway and industrial uses. Cummins’ commitment to excellence is reflected in its extensive product range and the trust it has earned among fleet operators and maintenance professionals 2.

Plain Hose Coupling Part 3089478 in Cummins Engines

The Plain Hose Coupling part number 3089478, manufactured by Cummins, is a crucial component in the maintenance and operation of several Cummins engine models. This part is designed to ensure a secure and leak-proof connection between hoses and engine systems, facilitating the transfer of fluids and gases essential for engine performance 2.

Application in Cummins Engines

  • QSK45 CM500 and QSK60 CM500 Engines

    In the QSK45 CM500 and QSK60 CM500 engines, the Plain Hose Coupling part 3089478 is utilized to connect various fluid lines, such as coolant, oil, and fuel lines, to the engine’s internal systems. This coupling ensures that the hoses remain firmly attached, preventing any leaks that could compromise engine efficiency or cause damage 2.

  • QSK60G Engine

    For the QSK60G engine, the Plain Hose Coupling part 3089478 serves a similar function, providing a reliable connection for the engine’s fluid lines. Given the robust nature of the QSK60G engine, this coupling is designed to withstand high pressures and temperatures, ensuring longevity and consistent performance 2.

Importance of the Plain Hose Coupling

The Plain Hose Coupling part 3089478 is integral to maintaining the operational integrity of these Cummins engines. Its design ensures that hoses are securely fastened, reducing the risk of disconnections or leaks that could lead to engine malfunctions. The coupling’s material and construction are specifically chosen to endure the demanding conditions within the engine compartment, providing a dependable solution for engine maintenance and repair 2.

Role of Part 3089478 Plain Hose Coupling in Engine Systems

The part 3089478 Plain Hose Coupling is integral to the efficient operation of various engine systems by ensuring secure and leak-free connections between components.

Integration with Flexible Hose

In engine systems, the Plain Hose Coupling is often used to connect flexible hoses, which are essential for routing fluids such as coolant, oil, and fuel throughout the engine. The coupling provides a robust connection that can withstand the dynamic movements and vibrations inherent in engine operation, ensuring that the flexible hose remains securely attached and functions effectively 3.

Role in Plumbing Systems

Within the plumbing systems of an engine, the Plain Hose Coupling plays a significant role in maintaining the integrity of fluid pathways. It is employed to join different sections of plumbing, facilitating the smooth transfer of fluids without leaks. This is particularly important in systems where precise fluid management is required to ensure optimal engine performance and longevity 3.

Interaction with Engine Control Module (ECM)

Although the Engine Control Module (ECM) itself does not directly interface with the Plain Hose Coupling, the reliable operation of the coupling is indirectly important for the ECM’s function. The ECM relies on consistent and accurate fluid levels and pressures to make adjustments and maintain engine efficiency. Any leaks or failures in the hose couplings could lead to incorrect readings and potentially affect the ECM’s ability to manage the engine effectively 3.

Fuel System Applications

In fuel systems, the Plain Hose Coupling is used to connect fuel lines, ensuring that fuel is delivered from the tank to the engine components without interruption. The coupling must be able to handle the specific pressures and potentially corrosive nature of fuel, making it a key component in maintaining a safe and efficient fuel delivery system 3.

Conclusion

The Cummins 3089478 Plain Hose Coupling is a fundamental element in various engine systems, providing the necessary connections that ensure fluids are transported efficiently and securely throughout the engine. Its design and construction are tailored to withstand the demanding conditions within engine compartments, ensuring longevity and consistent performance. Regular maintenance and proper installation are essential to maximize the benefits of this part, contributing to the overall efficiency and reliability of the engine systems in which it is used 3.


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

  2. Brach, R. Matthew. SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE Books, 2023.

  3. Trzesniowski, Michael. The Complete Vehicle. Springer Nature, 2023.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
3.6 x 2.5 x 2.5 in
Weight
0.56 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.