3691470
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3691470 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 and reliable fuel supply, which is vital for the engine’s operation and overall performance.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube serves as a conduit within the fuel system, responsible for transporting fuel from the storage tank to the engine. It operates under pressure generated by the fuel pump, delivering a steady stream of fuel that meets the engine’s demands during operation. The efficiency and reliability of this component are essential for maintaining optimal engine performance ¹.

Purpose of the Cummins 3691470 Fuel Supply Tube

This Cummins part plays a role in the truck’s fuel system by ensuring a consistent supply of fuel to the engine. It is integral to maintaining the engine’s performance by providing the necessary fuel flow required for combustion. Its design and construction are tailored to withstand the pressures and conditions within the fuel system, contributing to the overall efficiency and reliability of the truck’s engine ².

Key Features

The Cummins 3691470 Fuel Supply Tube is characterized by its robust material construction, which includes high-quality materials resistant to corrosion and wear. Its design incorporates features that enhance its performance and durability, such as precise engineering to ensure a secure fit within the fuel system and smooth fuel flow. These characteristics contribute to the tube’s ability to operate effectively under the demanding conditions typical of heavy-duty truck applications ³.

Benefits

This part offers several advantages, including improved fuel delivery efficiency and enhanced durability. Its design and construction contribute to a more reliable fuel supply, potentially leading to better overall engine performance. The tube’s resistance to wear and corrosion also extends its service life, providing value to truck operators ⁴.

Installation and Integration

Installing the Cummins 3691470 Fuel Supply Tube involves several steps and considerations to ensure it is properly integrated into the truck’s fuel system. It is important to follow Cummins’ recommendations for installation, which may include specific torque settings for connections and ensuring the tube is correctly routed to avoid damage or kinks that could impede fuel flow.

Common Issues and Troubleshooting

Typical problems associated with the Cummins 3691470 Fuel Supply Tube may include leaks or blockages. Troubleshooting these issues involves inspecting the tube for signs of wear, damage, or improper installation. Addressing leaks may require tightening connections or replacing damaged sections, while blockages could necessitate cleaning or replacement of the tube to restore proper fuel flow.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 3691470 Fuel Supply Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning to remove any contaminants that could affect fuel flow, and ensuring all connections are secure. Adhering to these maintenance practices can help prevent issues and extend the service life of the tube.

Safety Considerations

When working with the fuel system and the Cummins 3691470 Fuel Supply Tube, it is important to follow safety practices. This includes ensuring the engine is off and the fuel system is depressurized before beginning any work. Proper handling of fuel and adherence to safety protocols are crucial to prevent accidents and ensure a safe working environment.

Cummins Overview

Cummins Inc. is a leading manufacturer of diesel engines and related components, with a history of innovation and quality in the industry. The company’s reputation for reliability and performance is reflected in its products, including the 3691470 Fuel Supply Tube. Cummins’ commitment to quality and customer satisfaction underscores the trust placed in their components by heavy-duty truck operators worldwide.

Cummins Fuel Supply Tube 3691470 Compatibility

The Cummins Fuel Supply Tube part number 3691470 is designed to fit seamlessly with a range of Cummins engines. Specifically, this part is compatible with the following engine models:

• X15 CM2350 X116B
• X15 CM2350 X123B
• X15 CM2450 X134B

These engines, while differing in some specifications, share a common architecture that allows the Fuel Supply Tube 3691470 to be used across the board. The design ensures that the tube fits precisely, facilitating efficient fuel delivery and maintaining the integrity of the fuel system. This compatibility is crucial for maintaining performance and reliability across these engine variants.

Role of Part 3691470 Fuel Supply Tube in Engine Systems

The Fuel Supply Tube (part 3691470) is an integral component in the fuel delivery system of an engine. It facilitates the transfer of fuel from the fuel tank to the fuel filter and subsequently to the engine’s fuel injection system or carburetor.

In modern engines, the Fuel Supply Tube connects to the fuel tank outlet, ensuring a consistent and regulated flow of fuel. It then routes the fuel to the fuel filter, where contaminants are removed to prevent damage to sensitive engine components. After filtration, the clean fuel travels through the Fuel Supply Tube to the fuel injection system, where it is precisely metered and delivered to the engine’s combustion chambers.

In carbureted engines, the Fuel Supply Tube similarly transports fuel from the tank to the carburetor. Here, the fuel is mixed with air before entering the engine’s cylinders. The consistent fuel flow ensured by the Fuel Supply Tube is essential for maintaining engine performance and efficiency.

Overall, the Fuel Supply Tube plays a significant role in ensuring that the engine receives a steady and clean supply of fuel, which is fundamental for optimal engine operation.

Conclusion

The Cummins 3691470 Fuel Supply Tube is a vital component in the fuel systems of heavy-duty trucks, ensuring a consistent and reliable fuel supply to the engine. Its robust construction, compatibility with various Cummins engines, and role in maintaining optimal engine performance underscore its importance in the automotive industry. Regular maintenance and adherence to safety practices are essential for maximizing the longevity and efficiency of this part.