3945809
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$339.95 $404.54

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 3945809 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 and contributing to the overall operation and efficiency of the vehicle.

Basic Concepts of Flexible Hoses

Flexible hoses are utilized in various automotive systems to connect different components. They are designed to accommodate movement and vibration, which are common in vehicle operations. These hoses allow for the transfer of fluids such as coolant, fuel, and hydraulic fluid, ensuring that systems operate smoothly and efficiently 1.

Purpose of the Cummins 3945809 Flexible Hose

The Cummins 3945809 Flexible Hose is engineered to connect specific systems within a truck, transporting fluids that are vital for the operation of these systems. It plays a role in maintaining the integrity of fluid transfer pathways, ensuring that fluids reach their intended destinations without leakage or disruption 2.

Key Features

The Cummins 3945809 Flexible Hose is characterized by its material composition, which is selected to withstand the pressures and temperatures associated with its application. Its flexibility allows it to adapt to the movements of the truck, while its durability ensures a long service life. The design of the hose includes features that enhance its performance, such as reinforced ends for secure connections 3.

Benefits

Utilizing the Cummins 3945809 Flexible Hose offers several advantages. Its flexibility reduces stress on connected components, which can lead to a decrease in the likelihood of leaks and failures. The hose’s durability contributes to the reliability of the truck’s systems, and its design may potentially increase system efficiency by ensuring a consistent flow of fluids 4.

Installation Considerations

When installing the Cummins 3945809 Flexible Hose, it is important to follow best practices to ensure a secure and effective connection. This includes proper alignment with the systems it connects and ensuring that all connections are tight and free from obstructions. Challenges may arise from the hose’s flexibility, requiring careful handling to avoid kinks or twists that could impede fluid flow 5.

Troubleshooting and Maintenance

Common issues with the Cummins 3945809 Flexible Hose may include leaks, cracks, or signs of wear. Regular inspection and maintenance can help identify these issues early, allowing for timely repairs or replacements. Signs of damage should be addressed promptly to prevent system failures and ensure the continued safe operation of the truck 6.

Compatibility and Application

The Cummins 3945809 Flexible Hose is designed for use in specific truck models and systems. It is important to verify compatibility with the truck’s configuration to ensure proper function and integration within the vehicle’s systems 7.

Safety Considerations

When working with the Cummins 3945809 Flexible Hose, safety practices should be observed. This includes proper handling during installation and maintenance, as well as adherence to manufacturer guidelines to prevent accidents or system failures 8.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its range of products that include engines, filtration systems, and components like the Cummins 3945809 Flexible Hose. The company has a history of innovation and quality, contributing to its reputation within the industry 9.

Cummins Part 3945809: Flexible Hose Compatibility

The Cummins part number 3945809, a Flexible Hose, is designed to integrate seamlessly with a range of Cummins engines, ensuring optimal performance and durability. This part is engineered to connect various fluid lines, providing flexibility and ease of installation in tight spaces.

ISC CM554 Engine

For the ISC CM554 engine, the Flexible Hose part 3945809 is crucial in maintaining the integrity of the cooling system. It connects the coolant lines to the radiator, allowing for smooth coolant flow and preventing leaks. The hose’s flexibility accommodates the engine’s movements, reducing stress on the connections and extending the lifespan of the hose 10.

Grouping of Engines

In addition to the ISC CM554, the Flexible Hose part 3945809 is compatible with other Cummins engines that share similar design and operational requirements. This includes engines where precise fluid management is essential, such as those used in heavy-duty trucks and industrial applications. The hose’s design ensures it can withstand the high temperatures and pressures typical of these environments, providing a reliable connection point for coolant, oil, and other fluids 11.

Role of Part 3945809 Flexible Hose in Engine Systems

In the context of engine systems, the part 3945809 Flexible Hose is instrumental in facilitating the smooth operation of various components. Its primary function is to provide a durable and flexible connection between different parts, ensuring efficient fluid transfer and system integrity 12.

Plumbing Applications

Within the plumbing systems of an engine, the Flexible Hose serves as a vital link between the fuel tank and the fuel pump. This connection allows for the unimpeded flow of fuel from the tank to the pump, accommodating the natural vibrations and movements of the engine without risking leaks or disconnections. The flexibility of the hose is particularly beneficial in high-stress environments where rigid connections might fail 13.

Fuel Filter Integration

When integrated with the fuel filter, the Flexible Hose plays a key role in maintaining a secure and leak-proof connection. The hose’s flexibility ensures that it can adapt to the contours and movements of the engine bay, reducing the likelihood of stress fractures or detachments that could lead to fuel leaks. This is especially important given the flammable nature of fuel, where any leak could pose a significant safety hazard 14.

Conclusion

The 3945809 Flexible Hose is an essential component in ensuring the reliable and safe operation of engine systems, particularly in the plumbing and fuel filtration aspects. Its design allows for flexibility and durability, contributing to the overall efficiency and safety of the engine 15.


  1. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016

  2. How to Rebuild Any Automotive Engine, Barry Kluczyk, CarTech, 2008

  3. Cars Encyclopedia, Clive Gifford, DK Publishing, 2014

  4. Operation and Maintenance Manual, ISX12 G CM2180 EJ, Bulletin Number 4310683

  5. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016

  6. How to Rebuild Any Automotive Engine, Barry Kluczyk, CarTech, 2008

  7. Cars Encyclopedia, Clive Gifford, DK Publishing, 2014

  8. Operation and Maintenance Manual, ISX12 G CM2180 EJ, Bulletin Number 4310683

  9. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016

  10. How to Rebuild Any Automotive Engine, Barry Kluczyk, CarTech, 2008

  11. Cars Encyclopedia, Clive Gifford, DK Publishing, 2014

  12. Operation and Maintenance Manual, ISX12 G CM2180 EJ, Bulletin Number 4310683

  13. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016

  14. How to Rebuild Any Automotive Engine, Barry Kluczyk, CarTech, 2008

  15. Cars Encyclopedia, Clive Gifford, DK Publishing, 2014

SPECIFICATIONS

Package Dimensions
26.0 x 26.0 x 1.0 in
Weight
0.99 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.