3925100
Flexible Hose
Cummins®

AVAILABLE

Cummins®

2 are currently available

Ships within 2-4 business days

$96.95 $115.37

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 3925100 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 the transfer of these fluids between different parts of the vehicle. This part is integral to maintaining the efficiency and reliability of the truck’s systems.

Basic Concepts of Flexible Hoses

Flexible hoses are used extensively in automotive and heavy-duty truck systems for their ability to accommodate movement and vibration without compromising the integrity of the fluid transfer 1. They are typically made from materials that offer flexibility, durability, and resistance to the specific fluids they are designed to transport. In automotive applications, flexible hoses connect various system components, allowing for fluid movement in engines, cooling systems, fuel systems, and more.

Purpose of the Cummins 3925100 Flexible Hose

The Cummins 3925100 Flexible Hose plays a specific role in the operation of a truck by connecting various systems and transporting fluids such as coolant, fuel, or hydraulic fluid. Its design allows it to withstand the dynamic environment of a commercial truck, ensuring reliable fluid transfer even under conditions of vibration and movement 2.

Key Features

The 3925100 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include a material composition that offers resistance to the fluids it transports, flexibility to accommodate movement, durability to withstand the operational stresses of a commercial truck, and design elements such as reinforced ends for secure fitting and longevity 3.

Benefits

Using the Cummins 3925100 Flexible Hose offers several advantages. It contributes to improved system reliability by ensuring a secure and leak-free connection between components. The hose’s flexibility reduces the risk of leaks that can occur with rigid hoses, and its durable construction enhances the overall longevity of the truck’s fluid transfer systems.

Installation Considerations

When installing the Cummins 3925100 Flexible Hose, it is important to follow guidelines and best practices to ensure proper function and longevity. This includes using the correct fitting techniques to secure the hose ends, employing methods to prevent kinking or twisting, and ensuring the hose is correctly aligned within the truck’s system to accommodate movement and vibration.

Troubleshooting Common Issues

Common problems associated with flexible hoses include leaks, kinks, and degradation over time. Troubleshooting these issues involves inspecting the hose for signs of wear or damage, ensuring fittings are secure and not corroded, and replacing the hose if it shows signs of significant wear or if leaks cannot be stopped through other means.

Maintenance Tips

To maintain the Cummins 3925100 Flexible Hose, regular inspection routines should be established. This includes checking for signs of wear such as cracks, bulges, or leaks, and ensuring that all connections are secure and free from corrosion. Adhering to these maintenance practices can extend the hose’s lifespan and ensure the continued reliability of the truck’s fluid transfer systems.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins serves commercial, industrial, and automotive markets worldwide. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications.

Cummins Engine Compatibility with Flexible Hose Part 3925100

The Cummins Flexible Hose part number 3925100 is designed to fit a variety of Cummins engines, ensuring flexibility and durability in various applications. Below is a detailed description of how this part fits with the specified engines:

Cummins 4B3.9 and QSB3.9 Series

  • 4B3.9
  • QSB3.9 30 CM550
  • QSB3.9 CM2880 B138

The Flexible Hose part 3925100 is engineered to integrate seamlessly with the 4B3.9 and QSB3.9 engines. These engines are known for their robust performance and reliability, and the hose ensures that the fluid transfer systems remain efficient and leak-free.

Cummins 6B5.9 and QSB5.9 Series

  • 6B5.9
  • B5.9 CM2670 B166C
  • B5.9 G
  • B5.9 GAS PLUS CM556
  • QSB5.9 30 CM550
  • QSB5.9 44 CM550
  • QSB5.9 CM2880 B139

The Flexible Hose part 3925100 is also compatible with the 6B5.9 and QSB5.9 engines. These engines are part of Cummins’ lineup of high-performance diesel engines, and the hose is designed to withstand the rigors of these applications, providing a reliable connection for fluid transfer systems.

Cummins ISB Series

  • ISB CM550

The ISB CM550 engine benefits from the Flexible Hose part 3925100, which ensures that the engine’s fluid systems operate smoothly and efficiently. This part is crucial for maintaining the integrity of the engine’s performance and longevity.

Cummins B4.5 Series

  • B4.5

The B4.5 engine is another model that is compatible with the Flexible Hose part 3925100. This part ensures that the engine’s fluid systems are properly connected, contributing to the overall efficiency and reliability of the engine.

By ensuring compatibility with these various engine models, the Flexible Hose part 3925100 from Cummins provides a versatile solution for maintaining the integrity of fluid transfer systems across different engine types.

Role of Part 3925100 Flexible Hose in Engine Systems

The part 3925100 Flexible Hose is integral to the efficient operation of various engine components. It facilitates the transfer of fluids and gases between different parts of the engine system, ensuring smooth and reliable performance.

Mounting and Front Gear Train Accessory

In the context of mounting and the front gear train accessory, the 3925100 Flexible Hose allows for the flexible connection of fluid lines. This flexibility is essential for accommodating the movement and vibration inherent in engine operation. It ensures that fluid transfer remains uninterrupted, even as components shift slightly during use.

Plumbing

For plumbing applications, the hose serves as a vital link in the fluid transport network. It connects various plumbing components, enabling the circulation of coolant, oil, or other fluids necessary for engine lubrication and temperature regulation. The flexibility of the hose is particularly beneficial in tight or complex engine compartments, where rigid pipes might not fit or could be prone to damage from engine vibrations.

Pump

When connected to a pump, the 3925100 Flexible Hose plays a key role in delivering fluids from the pump to other parts of the engine. Whether it’s transferring coolant from the pump to the engine block or oil from the pump to critical moving parts, the hose ensures a consistent and reliable flow. This is essential for maintaining the pump’s efficiency and the overall performance of the engine.

Vacuum

In vacuum systems, the flexible hose is used to connect vacuum pumps to various engine components that require vacuum pressure for operation. This includes components like brake boosters, emission control systems, and certain types of fuel injection systems. The hose’s flexibility allows it to route vacuum lines around obstacles and through tight spaces, ensuring that vacuum pressure is maintained without leaks or disruptions.

Overall, the 3925100 Flexible Hose is a versatile component that enhances the functionality and reliability of various engine systems by providing flexible, durable connections for fluid and gas transfer.

Conclusion

The Cummins 3925100 Flexible Hose is a critical component in the maintenance and operation of commercial truck systems. Its design and features ensure reliable fluid transfer, accommodating the dynamic environment of heavy-duty applications. Proper installation, maintenance, and troubleshooting are essential to maximize the lifespan and efficiency of this part, contributing to the overall performance and reliability of the truck’s engine systems.


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

  2. Automotive Braking Systems CDX Master Automotive Technician Series, Nicholas Goodnight and Kirk VanGelder, Jones Bartlett Learning, 2019

  3. A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition, Allan Bonnick and Derek Newbold, Elsevier Ltd, 2011

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.375 x 0.75 x 0.75 in
Weight
0.14 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.