5397460
Fuel Supply Tube
Cummins®

Introduction

The Cummins 5397460 Fuel Supply Tube is a component designed for use in heavy-duty trucks. It ensures a consistent and reliable supply of fuel from the tank to the engine, contributing to the vehicle’s overall performance and reliability.

Purpose and Function

The Fuel Supply Tube facilitates the transfer of fuel from the tank to the engine. It provides a direct pathway for fuel, ensuring that the engine receives a steady supply necessary for combustion. This tube maintains the pressure and flow rate required for optimal engine performance.

Key Features

This Cummins part is constructed from durable materials resistant to the corrosive effects of fuel. Its design includes reinforced sections to withstand pressure variations within the fuel system. The tube is engineered to be flexible enough to accommodate vehicle movements while maintaining a secure connection. These features contribute to the tube’s longevity and reliability in demanding conditions.

Benefits

Utilizing the 5397460 offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent fuel supply to the engine. The tube’s robust construction enhances the reliability of the fuel system, reducing the likelihood of leaks or failures. Additionally, its design promotes longevity, providing a cost-effective solution for heavy-duty truck operators.

Installation Process

Installing the Fuel Supply Tube requires careful attention to detail. The process involves disconnecting the old tube, ensuring the fuel system is depressurized, and then fitting the new tube into place. Tools such as wrenches and fuel line disconnect tools may be necessary. It is important to follow the manufacturer’s guidelines to ensure a secure fit and proper function within the fuel system.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Supply Tube is important to ensure optimal performance. This includes checking for signs of wear or damage, ensuring connections are tight, and verifying that there are no leaks in the fuel system. Common issues may include fuel leaks or a decrease in engine performance, which can often be traced back to the fuel supply tube. Diagnostic tips include inspecting the tube for physical damage and ensuring that all connections are secure.

Safety Considerations

When working with the Fuel Supply Tube, it is important to observe safety guidelines. This includes ensuring that the fuel system is depressurized before beginning any work, using appropriate personal protective equipment, and handling fuel with care to avoid spills or inhalation of fumes. Maintaining the integrity of the fuel system is crucial to prevent leaks or malfunctions that could pose a safety risk.

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 has established a reputation for quality and innovation in the automotive and heavy-duty truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance and reliability of vehicles.¹

Cummins Engine Compatibility with Fuel Supply Tube Part 5397460

The Cummins Fuel Supply Tube part number 5397460 is designed to fit seamlessly within a range of Cummins engines, ensuring efficient fuel delivery and system integrity. This part is integral to the fuel system architecture of several Cummins engine models, providing a reliable connection between the fuel pump and the engine’s fuel injectors.

QSB6.7 Series

The QSB6.7 series, including variants such as the QSB6.7 CM850 and QSB6.7 CM2850, are robust engines widely used in various industrial and commercial applications. The Fuel Supply Tube part 5397460 is specifically engineered to integrate with these engines, facilitating the smooth transfer of fuel from the pump to the injectors. This ensures optimal engine performance and longevity.

CM850 and CM2850 Models

Within the QSB6.7 series, the CM850 and CM2850 models benefit from the precise engineering of the Fuel Supply Tube part 5397460. These models are known for their durability and efficiency, and the fuel supply tube plays a crucial role in maintaining these characteristics. The part’s design ensures a secure fit, minimizing the risk of leaks and maintaining consistent fuel pressure, which is vital for the engine’s operation.

Installation and Functionality

The installation of the Fuel Supply Tube part 5397460 in Cummins engines is straightforward, thanks to its standardized design. This part is typically connected to the fuel pump outlet and extends to the fuel injectors, ensuring that fuel is delivered at the correct pressure and flow rate. The tube’s material and construction are chosen to withstand the high pressures and temperatures encountered in the engine’s fuel system, contributing to the overall reliability and efficiency of the engine.

Compatibility and Maintenance

Regular maintenance of the fuel system, including the Fuel Supply Tube part 5397460, is essential for the longevity and performance of Cummins engines. This part should be inspected for any signs of wear, damage, or leaks during routine maintenance checks. Ensuring that the fuel supply tube is in good condition helps prevent fuel delivery issues, which can lead to engine performance problems and potential downtime.

By integrating the Cummins Fuel Supply Tube part 5397460 into the QSB6.7 series engines, including the CM850 and CM2850 models, users can expect a reliable and efficient fuel delivery system that supports the engine’s operational demands.

Role of Part 5397460 Fuel Supply Tube in Engine Systems

The 5397460 Fuel Supply Tube is an integral component within the fuel system, facilitating the seamless transfer of fuel from the fuel tank to the engine. This tube is engineered to withstand the pressures and temperatures associated with fuel delivery, ensuring a consistent and reliable fuel supply.

In the fuel system, the 5397460 Fuel Supply Tube connects to the fuel pump, which draws fuel from the tank. The tube then routes the fuel to the fuel filter, where impurities are removed before the fuel reaches the fuel injectors. The injectors spray atomized fuel into the engine’s combustion chambers, where it mixes with air and ignites to produce power.

Additionally, the 5397460 Fuel Supply Tube interfaces with various accessories within the fuel system. These may include fuel pressure regulators, which maintain a consistent fuel pressure, and fuel return lines, which recycle excess fuel back to the tank. The tube’s durable construction and precise fitments ensure that it can handle the dynamic conditions within the fuel system without leaks or failures.

The efficient operation of the 5397460 Fuel Supply Tube is essential for the overall performance and reliability of the engine. It ensures that the engine receives a steady supply of clean, pressurized fuel, which is vital for optimal combustion and power output.²

Conclusion

The Cummins 5397460 Fuel Supply Tube is a critical component in the fuel system of heavy-duty trucks, ensuring efficient and reliable fuel delivery to the engine. Its robust construction, precise engineering, and compatibility with various Cummins engines make it a valuable asset for maintaining engine performance and reliability. Regular maintenance and adherence to safety guidelines are essential for maximizing the benefits of this part.