5264387
Fuel Supply Tube
Cummins®

Introduction

The Cummins 5264387 Fuel Supply Tube is a critical component in commercial trucks, designed to facilitate the transfer of fuel from the tank to the engine. This ensures a consistent and reliable fuel supply, contributing to the vehicle’s efficiency and performance.

Purpose and Function

This part serves as a conduit in the fuel delivery system, ensuring fuel is delivered under the correct pressure and in the right quantity. This is vital for the engine’s combustion process and overall smooth operation of the truck ¹.

Key Features

Constructed from durable materials resistant to fuel corrosion, the 5264387 is engineered for precise fuel pressure and flow maintenance. It is designed to withstand the vibrations and stresses of heavy-duty truck operation, ensuring long-term reliability ².

Benefits

Using this Cummins part can improve fuel efficiency by ensuring optimal fuel delivery to the engine. It enhances the reliability of the fuel system, reducing fuel-related issues. Its durable construction also promotes longevity, leading to potential cost savings ³.

Installation and Compatibility

Proper installation of the Fuel Supply Tube is crucial for its correct function within the fuel system. It is compatible with specific truck models and engine types, ensuring it meets the fuel delivery requirements for those applications. Following manufacturer guidelines during installation is essential to maintain the integrity of the fuel system.

Maintenance and Troubleshooting

Routine maintenance of the 5264387 is recommended to ensure its efficiency and reliability. This includes checking for wear or damage and ensuring secure connections. Common issues like fuel leaks or decreased fuel pressure can often be resolved by inspecting and tightening connections or replacing worn components.

Safety Considerations

When handling and installing the Fuel Supply Tube, adhering to safety protocols is important to prevent fuel leaks and ensure safe operation. This includes working in a well-ventilated area, wearing appropriate personal protective equipment, and ensuring all fuel system components are properly secured and free from damage before starting the engine.

Environmental Impact

The efficient fuel delivery provided by the 5264387 can contribute to reduced emissions and fuel consumption. By ensuring fuel is delivered to the engine correctly, this component helps optimize the combustion process, leading to lower emissions and improved fuel economy.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. The company serves commercial, industrial, and automotive markets with a range of components and systems designed to enhance vehicle and equipment performance and efficiency.

Compatibility of Cummins Fuel Supply Tube Part 5264387

The Cummins Fuel Supply Tube part number 5264387 is compatible with various Cummins engines, ensuring a secure and efficient fuel delivery system. This part is crucial for the proper functioning of the engines it is compatible with, facilitating the movement of fuel from the fuel tank to the engine’s fuel system.

Compatible Engines

• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISBE CM2150
• ISBE4 CM850

Grouping by Engine Series

• ISB/ISD Series

  • ISB/ISD4.5 CM2150 B119
  • ISB/ISD6.7 CM2150 SN

• ISBE Series

  • ISBE CM2150
  • ISBE4 CM850

The 5264387 is engineered to meet the specific requirements of these engines, ensuring optimal performance and reliability. It is crucial for maintaining the integrity of the fuel delivery system, which is essential for the overall efficiency and longevity of the engines.

Role of Part 5264387 Fuel Supply Tube in Engine Systems

The 5264387 Fuel Supply Tube is a vital component in the fuel delivery system of various engine setups. It is responsible for transporting fuel from the fuel tank to the fuel injectors or carburetor, ensuring a consistent and reliable fuel supply to the engine.

Integration with Fuel System Components

• Fuel Tank: The Fuel Supply Tube connects directly to the fuel tank, drawing fuel through a fuel pump or by gravity, depending on the system design.

• Fuel Pump: In systems with an electric or mechanical fuel pump, the Fuel Supply Tube interfaces with the pump outlet, facilitating the pressurized transfer of fuel.

• Fuel Filter: Often, the Fuel Supply Tube is routed through a fuel filter, which removes impurities and contaminants from the fuel before it reaches the engine.

• Fuel Injectors: In fuel-injected engines, the Fuel Supply Tube delivers fuel to the fuel rail, which then distributes it to individual fuel injectors. This ensures precise fuel metering for optimal combustion.

• Carburetor: In carbureted engines, the Fuel Supply Tube feeds fuel into the carburetor, where it is mixed with air before entering the combustion chamber.

Interaction with Plumbing Components

• Fuel Lines: The Fuel Supply Tube is typically connected to other fuel lines using fittings and connectors, forming a continuous pathway for fuel flow.

• Hoses and Clamps: Flexible hoses may be used in conjunction with the Fuel Supply Tube to accommodate movement and vibration within the engine compartment. Clamps secure these connections, preventing leaks and ensuring a tight seal.

Ensuring Reliable Fuel Delivery

The Fuel Supply Tube must be correctly installed and maintained to ensure the engine receives a steady supply of clean fuel. This involves checking for leaks, proper routing to avoid chaffing or kinking, and ensuring all connections are secure. Regular inspection and replacement of the Fuel Supply Tube, if necessary, are vital for the longevity and performance of the engine system.

Conclusion

The Cummins 5264387 Fuel Supply Tube is an essential component for the efficient and reliable operation of commercial trucks. Its role in ensuring a consistent fuel supply, compatibility with specific engine types, and contribution to environmental efficiency underscores its importance in the fuel delivery system.