5254445
Fuel Supply Tube
Cummins®

Introduction

The Cummins 5254445 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks, designed to facilitate the transfer of fuel from the tank to the engine. This ensures a consistent supply that meets the demands of high-performance diesel engines, thereby maintaining the efficiency and reliability of the fuel delivery system ¹.

Purpose and Function

The Fuel Supply Tube is engineered to deliver fuel from the tank to the engine, providing a dedicated pathway that ensures consistent fuel pressure and flow. This consistent delivery is essential for the engine’s combustion process, directly influencing its performance and efficiency. The tube is designed to withstand the pressures and temperatures associated with diesel fuel systems, ensuring a reliable fuel supply under various operating conditions ².

Key Features

The Cummins 5254445 is constructed from high-quality materials resistant to corrosion and wear, ensuring longevity in demanding environments. It features secure connection types that prevent leaks and ensure a tight fit within the fuel system. Additionally, the tube may include reinforced sections to withstand high pressure or flexible segments to accommodate engine movement ³.

Benefits

Utilizing this Cummins part offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and clean fuel supply to the engine. Its reliable design enhances the overall reliability of the fuel system, reducing the likelihood of fuel-related issues. Furthermore, the tube is specifically designed for compatibility with Cummins engines, ensuring optimal performance and integration within the system.

Installation and Compatibility

Proper installation of the Fuel Supply Tube is essential for ensuring a secure fit and optimal performance. Installation procedures may require specific tools to ensure connections are tight and leak-free. It is important to follow manufacturer guidelines to achieve the best results. The tube is compatible with a range of Cummins engine models, designed to meet the specific requirements of each application.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Supply Tube is key to ensuring its optimal performance. This includes checking for signs of wear or damage, ensuring connections remain secure, and verifying that the tube is free from obstructions. Common issues may include leaks or reduced fuel flow, which can often be addressed by inspecting and tightening connections or replacing worn sections of the tube.

Safety Considerations

When working with the Fuel Supply Tube or any fuel system component, it is important to follow safety practices. This includes ensuring the fuel system is depressurized before servicing to prevent fuel spray, which can be hazardous. Additionally, handling fuel system components requires attention to avoid spills and ensure proper disposal of any waste materials.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the diesel engine and component manufacturing industry. The company’s commitment to excellence is reflected in its product range, which is designed to meet the demanding requirements of various applications, from heavy-duty trucks to industrial equipment.

Compatibility of Cummins Fuel Supply Tube Part 5254445

The Cummins Fuel Supply Tube part number 5254445 is designed to fit several specific engine models. This part is integral for ensuring the proper delivery of fuel within the engine system, maintaining optimal performance and efficiency.

ISB/ISD4.5 CM2150 B119

The ISB/ISD4.5 CM2150 B119 engine is one of the models that the part 5254445 is compatible with. This compatibility ensures that the fuel supply tube fits seamlessly into the engine’s design, providing a reliable connection for fuel flow.

ISB/ISD6.7 CM2150 SN

Similarly, the ISB/ISD6.7 CM2150 SN engine also supports the use of the Cummins Fuel Supply Tube part number 5254445. This part is engineered to integrate with the larger specifications of the 6.7-liter engine, ensuring that fuel is delivered efficiently and without leaks.

ISBE CM2150

The ISBE CM2150 engine is another model that is compatible with the part 5254445. This compatibility is crucial for maintaining the engine’s performance and reliability, as the fuel supply tube must be precisely fitted to handle the specific demands of the ISBE engine.

ISBE4 CM850

Lastly, the ISBE4 CM850 engine also utilizes the Cummins Fuel Supply Tube part number 5254445. This part is designed to fit the unique requirements of the ISBE4 engine, ensuring that the fuel supply system operates smoothly and effectively.

Role of Part 5254445 Fuel Supply Tube in Engine Systems

The Part 5254445 Fuel Supply Tube is a critical 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

1. Fuel Tank: The Fuel Supply Tube connects directly to the fuel tank, where it draws fuel through a pickup tube. This connection is typically secured with a fitting that prevents leaks and ensures a tight seal.

2. Fuel Pump: In systems equipped with an electric fuel pump, the Fuel Supply Tube is connected to the pump’s outlet. The pump pressurizes the fuel, which is then delivered through the tube to the engine components.

3. Fuel Filter: Often, the Fuel Supply Tube is routed through a fuel filter before reaching the engine. The filter removes impurities and contaminants from the fuel, protecting the injectors and carburetor from damage.

4. Fuel Rail: In fuel-injected engines, the Fuel Supply Tube delivers fuel to the fuel rail. The rail distributes pressurized fuel to each injector, ensuring precise fuel delivery to each cylinder.

5. Carburetor: In carbureted engines, the Fuel Supply Tube feeds fuel directly into the carburetor. The carburetor then mixes the fuel with air before delivering it to the engine’s combustion chambers.

6. Return Line: Some systems include a return line that sends excess fuel back to the tank. The Fuel Supply Tube may connect to this return line, helping maintain consistent fuel pressure within the system.

Interaction with Plumbing Components

1. Hoses and Fittings: The Fuel Supply Tube often connects to various hoses and fittings throughout the fuel system. These connections are designed to be secure and leak-proof, ensuring safe and efficient fuel transport.

2. Quick-Disconnect Fittings: Many modern fuel systems use quick-disconnect fittings for easier maintenance and servicing. The Fuel Supply Tube may incorporate these fittings for convenient connection and disconnection from other fuel system components.

3. Routing and Clamping: The tube is routed through the engine bay, often secured with clamps to prevent movement and potential damage. Proper routing is essential to avoid contact with hot engine components and moving parts.

Conclusion

Understanding the role and integration of the Part 5254445 Fuel Supply Tube within these systems is essential for engineers and mechanics to ensure optimal performance and reliability of the engine’s fuel delivery system. Proper installation, maintenance, and adherence to safety practices are crucial for the effective operation of this component.