3972900
Flexible Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$119.95 $142.74

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 3972900 Flexible Hose is a component designed for use in commercial truck operations. It serves a role in ensuring the efficient and safe transport of fluids within the truck’s systems. Understanding its purpose and significance can help maintain the overall performance and reliability of commercial vehicles.

Basic Concepts of Flexible Hoses

Flexible hoses are components used in various automotive systems to transport fluids such as coolant, fuel, and hydraulic fluid. They are designed to accommodate movement and vibration, which are common in vehicle operations. Flexible hoses function by providing a durable yet adaptable connection between rigid components, allowing for the smooth flow of fluids while withstanding the dynamic conditions of vehicle use 1.

Purpose of the 3972900 Flexible Hose

This Cummins part is specifically engineered to connect different systems within a truck, facilitating the transport of fluids. It plays a role in maintaining the integrity of fluid pathways, ensuring that systems such as the engine cooling, fuel delivery, or hydraulic systems operate efficiently. By providing a flexible connection, it helps to reduce stress on the system components and enhances the overall reliability of fluid transport.

Key Features

The 3972900 boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to wear, corrosion, and high temperatures. The design includes reinforced ends to ensure a secure fit and prevent leaks. Additionally, the hose may feature unique characteristics such as a spiral wire reinforcement for added strength and flexibility, or a special coating to protect against environmental factors.

Benefits

The advantages of using the 3972900 include improved flexibility, which allows it to withstand the movement and vibration inherent in truck operations. Its resistance to wear and tear ensures a longer service life, reducing the need for frequent replacements. Furthermore, the hose contributes to enhanced safety and efficiency by maintaining a secure and leak-free connection in the fluid transport systems.

Installation Considerations

Proper installation of the 3972900 is crucial for its effective performance. Guidelines for installation include using the necessary tools, following a systematic approach to ensure a secure fit, and avoiding common pitfalls such as over-tightening or improper alignment. Careful attention to these details during installation can prevent future issues and ensure the hose functions as intended.

Troubleshooting Common Issues

Common problems associated with flexible hoses, such as leaks or kinks, can often be traced back to installation errors or wear and tear. Troubleshooting steps may include inspecting the hose for signs of damage, ensuring proper alignment and fit, and replacing the hose if necessary. Addressing these issues promptly can help maintain the efficiency and safety of the truck’s fluid transport systems 2.

Maintenance Tips

Regular maintenance of the 3972900 is important for ensuring its longevity and optimal performance. Recommendations include periodic inspections for signs of wear, checking for leaks, and cleaning the hose as needed. Adhering to a maintenance schedule can help identify potential issues before they lead to more significant problems, ensuring the continued reliability of the truck’s systems.

Safety Precautions

When working with the 3972900, it is important to observe safety measures to protect both the technician and the equipment. This includes using appropriate handling procedures, wearing protective equipment, and ensuring that the work area is safe and free from hazards. Following these precautions can help prevent accidents and ensure a safe working environment.

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 a variety of components and systems designed to enhance the performance, efficiency, and reliability of vehicles and equipment.

Cummins Engine Part 3972900: Flexible Hose Compatibility

The Cummins part 3972900, a Flexible Hose, is engineered to integrate seamlessly with various Cummins engine models. This part is designed to provide a reliable connection in the engine’s cooling system, ensuring efficient fluid transfer and minimizing the risk of leaks.

QSB5.9 CM850 Engine

The QSB5.9 CM850 engine, known for its robust performance and reliability, utilizes the part 3972900 to maintain optimal fluid flow within its cooling system. This engine, often found in agricultural and industrial applications, benefits from the hose’s flexibility, which helps accommodate the engine’s movements and vibrations, thereby enhancing durability and performance.

Grouping of Engines

When considering the integration of the part 3972900 across different engine models, it is essential to recognize its versatility. Cummins has designed this flexible hose to fit within a range of engine configurations, ensuring that it can be adapted to various applications without compromising on performance or reliability. This adaptability makes it a critical component for maintaining the integrity of the engine’s cooling system across multiple engine types.

Role of Part 3972900 Flexible Hose in Engine Systems

The part 3972900 Flexible Hose is a component in the efficient operation of various engine systems, particularly those involving fluid transfer. Its primary function is to facilitate the smooth and uninterrupted flow of fluids between different components within the engine system.

In systems equipped with a Fuel Transfer Pump, the flexible hose plays a significant role. It connects the pump to the fuel tank and other critical components, ensuring that fuel is efficiently transferred from the tank to the engine. This connection is vital for maintaining consistent fuel pressure and flow, which are necessary for optimal engine performance.

When integrated with a general Pump system, the flexible hose allows for the transfer of various fluids, such as coolant or lubricants. This ensures that these fluids reach their intended destinations without leakage or restriction, contributing to the overall efficiency and longevity of the engine components.

In Fuel Transfer applications, the hose is responsible for connecting different parts of the fuel system, such as the fuel lines, injectors, and the fuel rail. This ensures a seamless fuel delivery system, which is essential for the engine’s combustion process. The flexibility of the hose accommodates the vibrations and movements inherent in engine operation, reducing the risk of wear and tear on the connections.

Overall, the part 3972900 Flexible Hose is an element in maintaining the integrity and efficiency of fluid transfer within engine systems. Its reliable performance ensures that engines operate smoothly and efficiently, contributing to the overall functionality and durability of the engine components.

Conclusion

The Cummins 3972900 Flexible Hose is a vital component in the maintenance and operation of commercial truck systems. Its design and features ensure efficient fluid transfer, durability, and reliability. Proper installation, regular maintenance, and adherence to safety precautions are essential for maximizing the performance and longevity of this part. Understanding its role and benefits can significantly contribute to the overall efficiency and safety of commercial vehicle operations.


  1. Isermann, R. (2017). Combustion Engine Diagnosis. Springer Vieweg.

  2. Brach, R. M. (2023). SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE International.

SPECIFICATIONS

Package Dimensions
11.0 x 3.3 x 0.88 in
Weight
0.3 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.