3963452
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$349.95 $416.44

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

Introduction

The Cummins 3963452 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 efficiency and reliability 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 accommodate movement and vibration, which are common in vehicle operations. Flexible hoses allow for the efficient transfer of substances under varying conditions, ensuring that systems operate smoothly despite the dynamic environment of a moving vehicle 1.

Purpose of the Cummins 3963452 Flexible Hose

The Cummins 3963452 Flexible Hose is utilized in the operation of trucks to connect specific systems and facilitate the transfer of fluids or gases. It plays a role in maintaining the integrity of the system by providing a reliable connection that can withstand the rigors of commercial truck use. The hose is integral to ensuring that the connected systems function correctly, contributing to the truck’s overall performance 2.

Key Features

The Cummins 3963452 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 carries. The hose’s flexibility allows it to adapt to the movements of the truck, while its design specifications ensure a secure fit and efficient operation. These features collectively contribute to the hose’s ability to perform reliably in demanding conditions 3.

Benefits

The use of the Cummins 3963452 Flexible Hose offers several benefits. It contributes to improved system reliability by providing a durable and flexible connection between components. The hose’s design reduces the risk of leaks, which can lead to system failures or inefficiencies. Its flexibility also allows for more versatile routing within the truck, potentially simplifying installation and maintenance. Over time, the durability and reliability of the hose can lead to cost savings by reducing the need for frequent replacements or repairs.

Installation Considerations

Proper installation of the Cummins 3963452 Flexible Hose is important for ensuring optimal performance. Considerations include compatibility with other components, the use of appropriate tools, and adherence to best practices. Ensuring that the hose is correctly installed will help maintain system integrity and efficiency, contributing to the overall performance of the truck.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3963452 Flexible Hose is important for prolonging its lifespan and ensuring continued reliable operation. This includes routine inspections for signs of wear or damage, cleaning to remove any buildup that could affect performance, and following replacement guidelines when necessary. Troubleshooting common issues such as leaks or reduced flexibility can often be addressed through proper maintenance practices, helping to prevent more significant problems down the line.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its wide range of products and commitment to quality and reliability. The company’s history and reputation provide context for the quality and performance of the 3963452 Flexible Hose, reflecting Cummins’ dedication to producing components that meet the demanding requirements of commercial truck applications 4.

Compatibility with K38 and K50 Engines

The Cummins Flexible Hose part number 3963452 is designed to integrate seamlessly with the K38 and K50 engine series. This hose is engineered to provide flexibility and durability, ensuring efficient operation and longevity in various engine configurations.

K38 Engine Series

In the K38 engine series, the 3963452 Flexible Hose is typically used in applications where movement and flexibility are critical. This includes connections between the engine and other components such as the exhaust system, fuel lines, or coolant systems. The hose’s design allows it to withstand the thermal and mechanical stresses associated with engine operation, ensuring a reliable seal and preventing leaks.

K50 Engine Series

Similarly, in the K50 engine series, the 3963452 Flexible Hose is employed in critical areas where flexibility is necessary. This hose is often used in high-pressure systems, such as fuel delivery lines or coolant hoses, where it must endure significant pressure and temperature variations. The hose’s construction ensures it can flex and move with the engine, reducing the risk of damage and maintaining system integrity.

Common Applications

While the specific applications may vary, the 3963452 Flexible Hose is commonly used in the following areas within both the K38 and K50 engines:

  • Exhaust Systems: To connect exhaust manifolds to mufflers or catalytic converters.
  • Fuel Systems: For fuel lines that need to flex and move with engine operation.
  • Coolant Systems: To connect radiators, water pumps, and other coolant components.

By providing a flexible and durable connection, the 3963452 Flexible Hose ensures that the K38 and K50 engines operate smoothly and efficiently, minimizing the risk of leaks and system failures.

Role of Part 3963452 Flexible Hose in Engine Systems

Part 3963452 Flexible Hose is integral to the efficient operation of various engine systems, facilitating the transfer of essential fluids and contributing to the overall performance and reliability of the engine.

Lubricating Oil System

In the lubricating oil system, the Flexible Hose connects the lubricating oil filter to the lube oil filter head. This connection ensures a continuous flow of clean oil to the engine components, reducing friction and wear. The hose’s flexibility accommodates the vibrations and movements inherent in engine operation, maintaining a secure and leak-free seal.

Fuel System

Within the fuel system, the Flexible Hose is used to link the fuel filter to the fuel water separator. This setup allows for the efficient filtration of fuel, removing water and impurities that could otherwise damage the engine. The hose’s design ensures that fuel is delivered consistently, even under varying engine loads and conditions.

Oil Filtration System

The Flexible Hose also plays a role in the oil filtration system by connecting the oil filter to the lubricating oil filter head. This connection is vital for maintaining the quality of the oil circulating through the engine. By ensuring a steady flow of filtered oil, the hose helps in prolonging the engine’s lifespan and enhancing its performance.

General Applications

Across these systems, the Flexible Hose’s ability to withstand high pressures and temperatures, coupled with its resistance to chemical degradation, makes it an invaluable component. Its flexibility also aids in reducing stress on connected components, preventing potential failures and enhancing the engine’s durability.

Conclusion

The Cummins 3963452 Flexible Hose is a critical component in the operation and maintenance of commercial trucks, particularly those equipped with K38 and K50 engines. Its design and features ensure reliable performance under demanding conditions, contributing to the overall efficiency and reliability of the vehicle. Proper installation, maintenance, and understanding of its role within engine systems are essential for maximizing the benefits of this Cummins part.


  1. Bennett, S., & Norman, I. A. (2011). Heavy Duty Truck Systems Fifth Edition. Delmar Cengage Learning.

  2. Ferrari, A., & Pizzo, P. (2022). Injection Technologies: Mixture Formation Strategies. SAE International.

  3. Naunheimer, H., Bertsche, B., Ryborz, J., & Novak, W. (2011). Automotive Transmissions Fundamentals Selection Design and Application. Springer Vieweg.

  4. Cummins Inc. (n.d.). Owners Manual. Bulletin Number 5579508.

SPECIFICATIONS

Package Dimensions
31.0 x 4.5 x 2.0 in
Weight
0.158 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.