4937911
Flexible Hose
Cummins®

Introduction

The 4937911 Flexible Hose Assembly is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the transfer of fluids between various systems. Understanding its purpose and functionality is key to maintaining the efficiency and reliability of truck operations.

Basic Concepts of Flexible Hose Assemblies

Flexible hose assemblies are components used in fluid transfer systems to connect different parts of the system, allowing for movement and flexibility where rigid pipes cannot be used. In the context of a truck’s infrastructure, these assemblies enable the transfer of fluids such as coolant, fuel, or hydraulic fluid between components, accommodating the dynamic nature of vehicle operation ¹.

Purpose of the 4937911 Flexible Hose Assembly

The 4937911 Flexible Hose Assembly is specifically designed to connect and facilitate the transfer of fluids within a truck’s system. It plays a role in linking critical components, ensuring that fluids are transported efficiently and reliably. This assembly is integral to maintaining the operational integrity of the systems it serves.

Key Features

The 4937911 Flexible Hose Assembly is characterized by several key features that enhance its performance and durability. These include a material composition that resists corrosion and wear, a design that allows for flexibility and movement, and unique characteristics that ensure a secure connection and efficient fluid transfer. These features contribute to the assembly’s reliability and longevity in demanding truck environments ².

Benefits

The benefits of the 4937911 Flexible Hose Assembly include improved flexibility, which accommodates the movement and vibration inherent in truck operations. Its resistance to wear and tear ensures longevity, while its design enhances safety and efficiency in fluid transfer. These attributes contribute to the overall performance and reliability of the truck’s systems.

Installation Considerations

Proper installation of the 4937911 Flexible Hose Assembly is crucial for its effective operation. This process involves ensuring that all prerequisites are met, using the appropriate tools, and following a series of steps to secure the assembly in place. Careful attention to these details ensures a secure and effective fit, contributing to the assembly’s performance and durability.

Troubleshooting Common Issues

Common problems with flexible hose assemblies may include leaks, wear, or improper connection. Troubleshooting these issues involves identifying the source of the problem, whether it be a faulty connection, material degradation, or external damage. Addressing these issues promptly can prevent more significant problems and ensure the continued reliability of the truck’s fluid transfer systems.

Maintenance Tips

Regular maintenance practices are recommended to prolong the lifespan of the 4937911 Flexible Hose Assembly. This includes routine inspections for signs of wear, damage, or leaks, and following manufacturer guidelines for replacement. Adhering to these maintenance tips can help ensure the assembly remains in optimal condition, contributing to the overall efficiency and safety of the truck’s operation.

Cummins: A Brief Overview

Cummins Inc. is a leader in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range that includes engines, filtration systems, and aftermarket parts, Cummins has established a reputation for excellence. The company’s focus on advancing technology and meeting the needs of its customers underscores its position as a trusted provider in the industry ³.

Cummins Engine Compatibility with Flexible Hose Assembly Part 4937911

The Cummins Flexible Hose Assembly part number 4937911 is designed to fit a variety of Cummins engine models, ensuring compatibility and reliability across different applications. This part is engineered to meet the specific needs of the engines it supports, providing a seamless connection that enhances performance and durability.

ISB and ISBE Series

The ISB CM2150, ISB/ISD6.7 CM2150 SN, ISB6.7 CM2250, ISB6.7 CM2350 B101, and ISBE CM2150 engines are part of the ISB and ISBE series, which are known for their robust design and efficiency. The Flexible Hose Assembly part 4937911 is compatible with these engines, ensuring a secure and flexible connection that can withstand the demands of various operating conditions.

ISBE4 Series

The ISBE4 CM850 engine, which is part of the ISBE4 series, also benefits from the Flexible Hose Assembly part 4937911. This part is engineered to fit seamlessly with the ISBE4 CM850, providing a reliable connection that enhances the engine’s performance and longevity.

QSB Series

The QSB6.7 CM2250 and QSB6.7 CM2350 B105 engines, which belong to the QSB series, are designed for heavy-duty applications. The Flexible Hose Assembly part 4937911 is compatible with these engines, ensuring a durable and flexible connection that can handle the rigors of demanding environments.

By providing compatibility with a wide range of Cummins engines, the Flexible Hose Assembly part 4937911 ensures that users can maintain and repair their engines with confidence, knowing that the part is designed to fit and perform optimally with their specific engine model.

Role of Part 4937911 Flexible Hose Assembly in Engine Systems

The 4937911 Flexible Hose Assembly is integral to the seamless operation of various engine systems, ensuring efficient fluid transfer and maintaining system integrity.

Fuel System Integration

In the fuel system, the 4937911 Flexible Hose Assembly connects the fuel tank to the fuel filter and subsequently to the engine’s fuel injection system. This assembly allows for the flexible routing of fuel, accommodating the dynamic movements and vibrations inherent in engine operation. Its flexibility reduces the risk of leaks and ensures a consistent fuel supply, which is essential for optimal engine performance.

Lift Pump Kit Compatibility

When integrated with a lift pump kit, the 4937911 Flexible Hose Assembly facilitates the transfer of fuel from the tank to the lift pump. This connection is vital for maintaining the necessary fuel pressure required by the engine’s injection system. The hose’s durability and flexibility ensure that it can withstand the pressures generated by the lift pump without compromising the fuel flow.

Plumbing and System Flexibility

In the broader context of engine plumbing, the 4937911 Flexible Hose Assembly serves as a versatile component that can be routed through tight spaces and around obstacles within the engine bay. This flexibility is particularly beneficial in complex engine designs where rigid hoses would be impractical. It ensures that the fuel lines remain intact and functional despite the engine’s operational stresses.

Accessories and Additional Connections

The 4937911 Flexible Hose Assembly also plays a role in connecting various accessories within the fuel system, such as fuel pressure regulators and fuel return lines. Its adaptability allows for easy integration with these components, ensuring that the fuel system operates as a cohesive unit. This connectivity is essential for maintaining the precise fuel delivery required for modern engine efficiency and performance.

Fuel Filter Connection

Finally, the assembly is often used to connect the fuel filter to the engine’s fuel lines. This connection is key to ensuring that filtered fuel is delivered to the engine, free from contaminants that could damage the fuel injectors and other sensitive components. The hose’s design supports the filter’s function by providing a secure and leak-proof connection, contributing to the overall reliability of the fuel system.

Conclusion

The 4937911 Flexible Hose Assembly by Cummins is a critical component in the efficient and reliable operation of commercial truck engines. Its design and features ensure compatibility with a wide range of Cummins engines, facilitating seamless fluid transfer and enhancing system integrity. Regular maintenance and proper installation are essential to maximize the performance and longevity of this part, contributing to the overall efficiency and safety of truck operations.