217474
Fuel Supply Tube
Cummins®

Introduction

The Cummins 217474 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It ensures a consistent and reliable fuel supply from the tank to the engine, which is essential for the vehicle’s operation.

Purpose and Function

This Cummins part facilitates the transfer of fuel, maintaining the efficiency and performance of the truck’s fuel system. It provides a direct and unobstructed pathway for fuel, ensuring the engine receives the necessary volume and pressure for optimal operation ¹.

Key Features

Constructed with durable materials, the Fuel Supply Tube is designed to resist the corrosive effects of fuel. Its smooth interior minimizes fuel flow resistance, and robust connections withstand the pressures within the fuel system, contributing to its reliability and longevity ².

Benefits

The use of this part offers improved fuel delivery, enhancing engine performance. Its design and construction contribute to the reliability of the fuel system, ensuring consistent operation across various conditions, which is crucial for heavy-duty applications ³.

Installation and Compatibility

Proper installation of this part is crucial for its intended function within the fuel system. Compatibility with various Cummins engine models should be considered, and specific installation procedures must be followed to integrate the tube effectively. These procedures include ensuring proper alignment, securing connections, and verifying that the tube is free from kinks or obstructions.

Maintenance and Troubleshooting

Regular maintenance of this Cummins part is recommended to ensure its continued performance and longevity. This involves inspecting the tube for signs of wear or damage, checking connections for leaks, and ensuring the fuel system is free from contaminants. Common issues such as fuel leaks or reduced fuel flow can often be addressed through inspection and repair or replacement of the tube as necessary.

Safety Considerations

When handling and working with this part, it is important to observe safety guidelines to prevent accidents. This includes working in a well-ventilated area, avoiding open flames or sparks near the fuel system, and following proper procedures for fuel system maintenance and repair. These precautions help ensure the safe operation of the vehicle and the protection of those working on it.

Environmental Impact

The efficient design of this part contributes to reduced fuel consumption and lower emissions. By ensuring a consistent and reliable fuel supply to the engine, it helps the vehicle operate more efficiently, which can lead to decreased fuel usage and a reduction in harmful emissions. This aligns with environmental sustainability goals within the trucking industry.

Cummins Overview

Cummins Inc. is a well-established manufacturer of diesel engines and related components for commercial vehicles. With a history of innovation and quality, Cummins has built a reputation for producing reliable and high-performance engine parts. The company’s commitment to excellence is reflected in its wide range of products, including the Cummins 217474 Fuel Supply Tube, which is designed to meet the demanding requirements of heavy-duty truck applications.

Integration with Fuel System Components

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

2. Fuel Pump: In systems equipped with an electric or mechanical fuel pump, the Fuel Supply Tube is positioned downstream of the pump. It receives pressurized fuel and conveys it towards the engine.

3. Fuel Filter: Often, the Fuel Supply Tube is routed through a fuel filter. This filter removes impurities and contaminants from the fuel, safeguarding the injectors and carburetor from damage.

4. Fuel Injectors: In fuel-injected engines, the Fuel Supply Tube delivers fuel to the fuel rail, which distributes it to individual injectors. Each injector sprays a precise amount of fuel into the combustion chamber, optimizing engine performance and efficiency.

5. Carburetor: In carbureted engines, the Fuel Supply Tube feeds fuel into the carburetor, where it is mixed with air before entering the combustion chamber. This mixture is vital for the engine’s combustion process.

6. Fuel Pressure Regulator: Some systems incorporate a fuel pressure regulator, which may be connected to the Fuel Supply Tube. This regulator maintains consistent fuel pressure, ensuring optimal engine operation.

7. Return Line: In systems with a return line, excess fuel is sent back to the tank via a separate tube. The Fuel Supply Tube, however, is dedicated to delivering fuel to the engine.

Operational Dynamics

The Fuel Supply Tube must withstand the pressures and temperatures within the fuel system. It is designed to be durable and resistant to fuel, ensuring long-term reliability. The tube’s routing is carefully planned to avoid interference with other components and to minimize the risk of fuel leaks.

Conclusion

In summary, the Fuel Supply Tube (part 217474) plays a significant role in the fuel delivery process, interacting with various components to ensure the engine receives a steady and clean fuel supply. Its proper function is essential for the overall performance and efficiency of the engine.