3625323
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3625323 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks. It ensures a consistent and reliable fuel supply from the tank to the engine, contributing to the overall efficiency and reliability of the vehicle’s fuel system.

Purpose and Function

This Cummins part serves as a conduit for fuel, ensuring it is delivered under the correct pressure and consistently to the engine. Its design is tailored to withstand the pressures and temperatures inherent in heavy-duty fuel delivery systems ¹.

Key Features

Constructed from durable materials, the 3625323 is resistant to fuel corrosion. It features reinforced sections for pressure handling and flexible segments to accommodate chassis movement, ensuring longevity and reliability in demanding conditions ².

Benefits

Utilizing this Fuel Supply Tube can enhance fuel efficiency through precise delivery. It ensures a consistent fuel supply, contributing to the reliability of the fuel system. Its resistance to wear and corrosion maintains the integrity of the fuel delivery system, reducing the risk of leaks or failures ³.

Installation and Compatibility

Proper installation of this part is crucial for its intended function. It is designed for specific Cummins engine models, ensuring seamless integration with the fuel system. Following manufacturer guidelines during installation is essential for maintaining performance and longevity.

Maintenance and Troubleshooting

Regular maintenance of the 3625323 is recommended to ensure efficiency and reliability. This includes checking for wear, corrosion, or leaks. Addressing blockages or damage through cleaning or replacement can prevent more significant issues.

Safety Considerations

Handling and installing the 3625323 requires adherence to safety guidelines to prevent accidents or component damage. Ensuring the fuel system is depressurized and using correct tools and procedures are vital. Improper installation or maintenance can lead to fuel leaks, posing a fire hazard or causing engine performance issues.

Cummins Corporation

Cummins Inc. is renowned in the automotive industry for its engine components and systems. The company’s commitment to quality and innovation is evident in its product offerings, including the 3625323 Fuel Supply Tube, part of their comprehensive fuel system components lineup.

Application in Cummins Engines

• V903 Engines: The V903 engine series, known for its performance and reliability, utilizes the 3625323. This part maintains the integrity of the fuel supply line, preventing leaks and ensuring consistent fuel flow.
• Other Cummins Engines: The 3625323 is compatible with various Cummins engine models, providing a standardized solution for fuel delivery across different engine configurations.

Importance of the Fuel Supply Tube

The fuel supply tube is crucial for the engine’s fuel system, ensuring controlled and consistent fuel delivery to the injectors. Its failure can significantly impact engine performance and reliability.

Installation and Maintenance

Proper installation of the 3625323 is essential, ensuring secure attachment to the fuel tank and injection system. Regular maintenance checks for wear, cracks, or leaks are recommended, with timely replacement to prevent engine failures and ensure optimal performance.

Integration with Fuel System Components

• Fuel Supply Tubing Mounting: The Fuel Supply Tube is mounted using specialized brackets and clamps to ensure stability and protection from vibrations.
• Plumbing: It is connected to components like the fuel pump, filter, and rail using high-quality fittings and hoses.
• Fuel Supply: The tube provides a dedicated pathway for fuel, ensuring it reaches the combustion chambers in the correct quantity and pressure.

Interaction with Other Systems

• Fuel Pump: Connects to the fuel pump, maintaining necessary fuel pressure.
• Fuel Filter: Passes through the fuel filter, removing impurities.
• Fuel Rail: Delivers fuel to the fuel rail in fuel-injected engines, ensuring precise delivery to each cylinder.

Conclusion

The Cummins 3625323 Fuel Supply Tube plays a critical role in the fuel delivery system of heavy-duty engines. Its reliable performance is essential for maintaining engine operation and ensuring all components receive the fuel they need to function correctly. Regular maintenance and proper installation are key to maximizing its benefits and ensuring the longevity of the fuel system.