3631913
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 3631913 Flexible Hose is a specialized component designed for use in commercial truck systems. It serves as a vital link in various fluid transfer systems, ensuring efficient and reliable operation. This hose is engineered to withstand the demanding conditions encountered in heavy-duty applications, providing a flexible yet robust solution for connecting different parts of the truck’s fluid systems.

Basic Concepts of Flexible Hoses

Flexible hoses are integral components in automotive and heavy-duty truck systems. They are used to connect various parts of the vehicle, allowing for the transfer of fluids such as coolant, fuel, oil, and hydraulic fluids. Unlike rigid pipes, flexible hoses can accommodate movement and vibration, reducing the risk of leaks and damage. They are typically made from a combination of rubber, synthetic materials, and reinforcing fibers to ensure durability and flexibility 1.

Purpose of the Cummins 3631913 Flexible Hose

The Cummins 3631913 Flexible Hose plays a specific role in the operation of a truck by connecting critical components within the fluid transfer systems. It is designed to transport fluids between the engine and other parts of the truck, such as the radiator, turbocharger, or aftertreatment system. This hose ensures that fluids are delivered efficiently and reliably, even under the harsh conditions typical of commercial truck operations 2.

Key Features

The Cummins 3631913 Flexible Hose boasts several key features that enhance its performance and durability. It is constructed from high-quality materials, including synthetic rubber and reinforced with textile or wire spirals. This composition provides excellent resistance to abrasion, high temperatures, and chemical exposure. The hose is also designed with precision-engineered fittings to ensure a secure and leak-free connection. Additionally, its flexible nature allows it to accommodate the movement and vibration inherent in truck operations 3.

Benefits

The Cummins 3631913 Flexible Hose offers several advantages that contribute to the overall efficiency and safety of the truck’s fluid transfer systems. Its flexibility reduces the stress on connections, minimizing the risk of leaks and failures. The robust material composition ensures long-lasting performance even in extreme conditions. Moreover, the hose’s design enhances the safety and efficiency of fluid transfer, supporting the reliable operation of the truck’s systems.

Installation Considerations

Proper installation of the Cummins 3631913 Flexible Hose is crucial for ensuring its effective performance and longevity. It is recommended to use the appropriate tools and follow manufacturer guidelines during installation. Key steps include ensuring that all connections are clean and free of debris, using the correct clamps and fittings, and verifying that the hose is routed to avoid sharp edges or excessive bending. Common pitfalls to avoid include over-tightening clamps, which can damage the hose, and improper routing, which can lead to abrasion or kinking.

Troubleshooting Common Issues

Flexible hoses, including the Cummins 3631913, may encounter issues such as leaks or blockages over time. Identifying these problems early is important for maintaining the efficiency and safety of the truck’s systems. Leaks can often be detected by visual inspection or by monitoring fluid levels. Blockages may be indicated by a decrease in system performance or unusual noises. To resolve these issues, it is important to inspect the hose for signs of wear, ensure that all connections are secure, and replace the hose if necessary.

Maintenance Tips

Regular maintenance of the Cummins 3631913 Flexible Hose is important for ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear, such as cracks or abrasions, and checking that all connections remain secure. It is also important to follow the manufacturer’s recommendations for fluid changes and system flushes to prevent buildup that could affect hose performance. Keeping the hose clean and free of contaminants will also contribute to its durability.

Safety Precautions

When working with the Cummins 3631913 Flexible Hose, it is important to observe several safety precautions. This includes wearing appropriate personal protective equipment, such as gloves and safety glasses, to protect against chemical exposure and physical injury. Ensure that the truck’s engine is off and that all systems are depressurized before beginning any work on the hose. Additionally, follow all manufacturer guidelines and safety instructions to prevent accidents and ensure a safe working environment.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history spanning over a century, Cummins is committed to innovation, quality, and customer satisfaction. The company’s product range includes engines and components for on-highway and off-highway applications, as well as power generation equipment. Cummins’ dedication to excellence and continuous improvement has established it as a trusted name in the automotive and heavy-duty truck industries.

Role of Part 3631913 Flexible Hose in Engine Systems

Part 3631913 Flexible Hose is an essential component in various engine systems, facilitating the efficient transfer of fluids under dynamic conditions. Its application spans across several key areas:

Fuel Tubing

In fuel systems, the Flexible Hose serves as a vital link between rigid fuel lines and moving components. This allows for the necessary flexibility to accommodate engine vibrations and movements without compromising the integrity of the fuel supply. Its role is to ensure a consistent and reliable flow of fuel from the tank to the engine, supporting optimal performance and efficiency.

Kit Integration

When included in repair or replacement kits, the Flexible Hose provides a durable and adaptable solution for restoring or upgrading fuel lines. Its flexibility and resilience make it an ideal choice for kits designed to address wear and tear or to enhance the fuel delivery system’s performance.

On-Board Spares

As an on-board spare, the Flexible Hose offers a practical solution for addressing unexpected failures in the fuel system. Its storage on-board ensures that maintenance crews have immediate access to a replacement part, minimizing downtime and facilitating quick repairs.

Plumbing Applications

In the broader context of engine plumbing, the Flexible Hose is used to connect various components within the fuel system. This includes linking the fuel pump to the fuel filter, and the fuel filter to the engine’s fuel injectors. Its flexibility allows for easier installation and maintenance, reducing the complexity of plumbing tasks.

Fuel Supply System

Within the fuel supply system, the Flexible Hose plays a key role in maintaining a secure and leak-free connection between components. This ensures that the fuel supply remains consistent and uncontaminated, contributing to the engine’s overall reliability and performance.

Conclusion

The Cummins 3631913 Flexible Hose is a critical component in the fluid transfer systems of commercial trucks. Its design and construction ensure reliable performance under demanding conditions, contributing to the efficiency and safety of the vehicle’s operations. Proper installation, regular maintenance, and adherence to safety precautions are essential for maximizing the lifespan and effectiveness of this Cummins part.


  1. Minaker, Bruce P. Fundamentals of Vehicle Dynamics and Modelling. John Wiley Sons, 2019.

  2. Reif, Konrad. Automotive Mechatronics. Springer Vieweg, 2015.

  3. Hu, Haoran, Simon J Baseley, and Xubin Song. Advanced Hybrid Powertrains for Commercial Vehicles Second Edition. SAE International, 2021.

SPECIFICATIONS

Package Dimensions
34.5 x 9.0 x 2.3 in
Weight
0.308 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.