3976464
Flexible Hose
Cummins®

The Cummins 3976464 Flexible Hose is a component designed for use in commercial truck systems. It serves as a conduit for various fluids, facilitating their movement between different parts of the truck’s system. This hose is integral to maintaining the operational efficiency of the truck by ensuring that fluids are transported reliably and efficiently.

Basic Concepts of Flexible Hoses

Flexible hoses are tubes made from materials that allow them to bend and flex without breaking. They are widely used in automotive systems for their ability to accommodate movement and vibration, which are common in vehicle operations. Flexible hoses function by providing a pathway for fluids such as coolant, fuel, or hydraulic fluid to travel between components that may not be fixed in place relative to each other ¹.

Purpose of the 3976464 Flexible Hose

The Cummins 3976464 Flexible Hose plays a specific role in the operation of a truck by connecting various systems and transporting essential fluids. It is typically used in applications where rigid hoses cannot accommodate the necessary movement or where space constraints require a more flexible solution. This hose ensures that fluids are delivered consistently and under the right conditions to maintain system performance.

Key Features

The Cummins 3976464 Flexible Hose is constructed using materials that offer durability and flexibility. Its design includes reinforced layers to withstand high pressures and temperatures commonly encountered in truck systems. Unique characteristics such as resistance to abrasion and chemical degradation enhance its performance and longevity ².

Benefits

The advantages provided by the Cummins 3976464 Flexible Hose include improved flexibility, which allows it to bend and twist without compromising the flow of fluids. It also exhibits resistance to high temperatures and pressures, making it suitable for demanding applications. Compared to rigid hoses, this flexible hose offers greater longevity and reliability, reducing the need for frequent replacements.

Installation Considerations

When installing the Cummins 3976464 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 in place and verifying compatibility with the existing system to prevent leaks or failures. Careful attention to these details during installation can significantly impact the performance and durability of the hose.

Troubleshooting and Maintenance

Common issues that may arise with flexible hoses include leaks, kinks, or degradation over time. Diagnosing these problems involves inspecting the hose for visible signs of wear or damage and checking for proper fluid flow. Maintenance tips to ensure the longevity and reliability of the Cummins 3976464 Flexible Hose include regular inspections, cleaning, and replacing the hose if significant wear is detected.

Safety Precautions

When working with the Cummins 3976464 Flexible Hose, it is important to observe safety measures to protect both the technician and the equipment. This includes handling hazardous fluids with care, ensuring that system pressures are within safe limits, and avoiding actions that could damage the hose during installation or maintenance. Adhering to these safety precautions helps maintain 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 spanning over a century, Cummins is known for its commitment to quality and innovation in the automotive industry. The company offers a wide range of products designed to meet the needs of various applications, from commercial trucks to industrial equipment, emphasizing reliability and performance ³.

Flexible Hose Part 3976464 Compatibility with Cummins Engines

The Cummins part number 3976464, a Flexible Hose, is designed to fit seamlessly with a range of Cummins engines. This part is engineered to ensure reliable performance and durability across various engine models. Below is a detailed description of its compatibility with specific Cummins engines:

ISBE4 CM850

The Flexible Hose part 3976464 is compatible with the ISBE4 CM850 engine. This engine is known for its robust design and efficiency, making it suitable for heavy-duty applications. The hose is engineered to withstand the operational stresses and thermal variations associated with this engine model.

QSB6.7 CM850 (CM2850)

This part also fits the QSB6.7 CM850 (CM2850) engine. The QSB6.7 series is renowned for its versatility and reliability, often used in a variety of industrial and commercial applications. The Flexible Hose part 3976464 is designed to integrate smoothly with the engine’s fluid systems, ensuring optimal performance and longevity.

QSB7 CM2880 B117

The Flexible Hose part 3976464 is also suitable for the QSB7 CM2880 B117 engine. This engine is part of the QSB7 series, which is known for its high power output and efficiency. The hose is crafted to handle the demanding conditions of this engine, providing a reliable connection in fluid transfer systems.

Grouping for Compatibility

The Flexible Hose part 3976464 is designed to be versatile, fitting multiple engine models within the Cummins lineup. Specifically, it is compatible with the ISBE4 CM850, QSB6.7 CM850 (CM2850), and QSB7 CM2880 B117 engines. This compatibility ensures that users can confidently use this part across different engine types, simplifying maintenance and replacement processes.

Role of Part 3976464 Flexible Hose in Engine Systems

The part 3976464 Flexible Hose is an essential component in various engine systems, particularly in the context of plumbing and turbocharger setups.

In plumbing applications, this flexible hose facilitates the transfer of fluids between different parts of the engine system. Its flexibility allows it to accommodate the vibrations and movements inherent in engine operation, ensuring a secure and leak-free connection. This is particularly important in high-pressure systems where rigid connections could lead to failures over time.

When integrated into turbocharger systems, the 3976464 Flexible Hose plays a significant role in managing the flow of exhaust gases. It connects the turbocharger to the exhaust manifold, allowing for efficient transfer of gases that drive the turbine. The flexibility of the hose is beneficial in absorbing the thermal expansion and contraction that occur due to the varying temperatures in the exhaust system.

In turbocharger plumbing, the hose is used to connect various components such as the intercooler, charge air cooler, and other air intake systems. Its role here is to ensure that the pressurized air from the turbocharger is delivered smoothly to the engine intake, enhancing overall performance and efficiency. The hose’s ability to flex and move with the engine’s dynamics prevents stress on the connections, reducing the risk of leaks and maintaining system integrity.

Overall, the 3976464 Flexible Hose is a versatile component that enhances the reliability and performance of engine systems by providing flexible, durable connections in environments where rigidity could lead to failure.

Conclusion

The Cummins 3976464 Flexible Hose is a critical component in commercial truck systems, designed to facilitate the reliable and efficient transfer of fluids. Its flexibility, durability, and compatibility with various Cummins engines make it an essential part for maintaining operational efficiency. Proper installation, regular maintenance, and adherence to safety precautions are vital to ensure the longevity and performance of this hose.