3914312
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$149.95 $178.44

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 3914312 Flexible Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, contributing to the overall operation and efficiency of the vehicle. Understanding its purpose and significance is key to maintaining and optimizing the performance of commercial trucks.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in various automotive systems to transfer fluids or gases. They are designed to provide a flexible connection between rigid components, accommodating movement and vibration that occur during operation. In automotive applications, flexible hoses are utilized in systems such as fuel, coolant, and brake systems, where they facilitate the transfer of substances while allowing for the natural movement of the vehicle’s components 1.

Purpose of the Cummins 3914312 Flexible Hose

This Cummins part is specifically engineered to connect various systems within a truck, facilitating the transfer of fluids or gases. It plays a role in ensuring the smooth operation of these systems by providing a flexible connection that can withstand the dynamic environment of a commercial truck. The hose is designed to connect specific components within the truck’s system, enhancing the efficiency and reliability of fluid or gas transfer.

Key Features

The 3914312 Flexible Hose is characterized by several key features that enhance its performance and longevity. These include its material composition, which is selected for durability and resistance to the substances it transfers. The hose’s flexibility allows it to accommodate the movement and vibration inherent in truck operations, while its design specifications ensure a secure and effective fit within the truck’s system.

Benefits

The use of the 3914312 Flexible Hose offers several benefits. It contributes to improved system reliability by providing a secure and flexible connection between components. The hose’s design reduces the risk of leaks, enhancing the safety and efficiency of the truck’s systems. Its flexibility in routing allows for easier installation and maintenance, further contributing to the overall efficiency of the vehicle 2.

Installation Considerations

Proper installation of this part is crucial for its effective operation. Best practices include ensuring a secure and snug fit within the truck’s system, following manufacturer guidelines for connection points, and verifying that the hose is routed in a manner that avoids sharp bends or excessive stress. Attention to these details during installation helps ensure the hose’s performance and longevity.

Maintenance and Troubleshooting

Regular maintenance of the 3914312 Flexible Hose is important for prolonging its life and ensuring the continued efficiency of the truck’s systems. This includes periodic inspection for signs of wear, damage, or leaks, and replacing the hose as necessary. Troubleshooting common issues such as leaks or connectivity problems involves checking for proper installation, ensuring connection points are secure, and verifying that the hose is not subjected to undue stress or abrasion 3.

Safety Considerations

When handling and installing the 3914312 Flexible Hose, it is important to follow safety protocols. This includes using proper handling techniques to avoid damage to the hose, wearing appropriate safety equipment, and ensuring that the work area is clean and free from hazards. Adhering to these safety considerations helps protect both the installer and the integrity of the truck’s systems.

About Cummins

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its commitment to producing high-quality components for commercial vehicles. With a history of innovation and excellence, Cummins has established a reputation for reliability and performance in the components it produces, including the 3914312 Flexible Hose.

Cummins Flexible Hose 3914312 Compatibility

The Cummins Flexible Hose part number 3914312 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal performance and durability. This part is engineered to connect various fluid lines within the engine system, providing flexibility and ease of installation.

Engine Compatibility

  • 4B3.9 and 6B5.9 Engines

The 3914312 Flexible Hose is specifically engineered to fit the 4B3.9 and 6B5.9 engines. These engines are known for their robust construction and reliability, often used in heavy-duty applications. The hose’s design allows it to withstand the high pressures and temperatures typical of these engines, ensuring a secure and leak-free connection.

  • Grouped Applications

In addition to the 4B3.9 and 6B5.9 engines, the 3914312 Flexible Hose is also compatible with other Cummins engines within the same series. This grouping ensures that the hose can be used across multiple models, simplifying maintenance and repair processes. The flexibility and durability of the hose make it an ideal choice for these applications, providing a reliable connection that can endure the rigors of continuous operation.

Role of Part 3914312 Flexible Hose in Plumbing and Turbocharger Systems

Plumbing Systems

In plumbing systems, the 3914312 Flexible Hose is instrumental in connecting various components, allowing for fluid transfer while accommodating movement and vibrations. It is commonly used to link pipes, valves, and fixtures, ensuring a secure and leak-free connection. The flexibility of the hose is particularly beneficial in scenarios where rigid piping would be prone to stress fractures or misalignment due to thermal expansion or contraction. Additionally, it simplifies the installation process, reducing the need for complex fittings and adapters.

Turbocharger Systems

Within turbocharger systems, the 3914312 Flexible Hose plays a significant role in managing the high-pressure and high-temperature environments. It is often employed to connect the turbocharger to the engine’s intake and exhaust manifolds. The hose’s flexibility allows it to withstand the dynamic movements and thermal cycles experienced during engine operation, ensuring a durable and reliable connection. This is essential for maintaining the efficiency and performance of the turbocharger, as any leaks or failures in the hose could lead to a loss of boost pressure and reduced engine performance. Furthermore, the hose’s design helps in reducing stress on the turbocharger and surrounding components, contributing to the overall longevity of the system.

Conclusion

The Cummins 3914312 Flexible Hose is a vital component in the operation and maintenance of commercial trucks. Its design and features contribute to the efficiency, reliability, and safety of the truck’s systems. Proper installation, maintenance, and adherence to safety protocols are essential for maximizing the performance and longevity of this part.


  1. Dempsey, Paul. Troubleshooting and Repairing Diesel Engines. McGraw-Hill, 2008.

  2. Richards, Paul, and Jim Barker. Automotive Fuels Reference Book. SAE International, 2023.

  3. Reif, Konrad. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
30.0 x 3.5 x 0.125 in
Weight
0.5 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.