3401514
Fuel Supply Tube
Cummins®

The Fuel Supply Line Tube (Part #3401514) by Cummins is a component designed to facilitate the efficient transfer of fuel from the tank to the engine in commercial trucks. This part is integral to the operation of the vehicle, ensuring that the engine receives a consistent and reliable supply of fuel, which is vital for optimal performance and efficiency ¹.

Basic Concepts of Fuel Supply Line Tubes

A Fuel Supply Line Tube is a conduit within the fuel system that carries fuel from the tank to the engine. Its function is to provide a secure and efficient pathway for fuel, ensuring that the engine operates smoothly and effectively. The performance of a truck’s engine is closely tied to the efficiency of its fuel supply system, making the Fuel Supply Line Tube a key component in this process ².

Purpose of the 3401514 Fuel Supply Line Tube

This Cummins part plays a role in the operation of a truck by facilitating the transfer of fuel from the tank to the engine. This ensures that the engine receives a steady supply of fuel, which is necessary for consistent performance. The tube is designed to withstand the pressures and conditions within the fuel system, providing a reliable connection between the fuel tank and the engine ³.

Key Features

The 3401514 is constructed from durable materials that are resistant to the corrosive effects of fuel and the high pressures within the fuel system. Its design includes features that enhance its performance and durability, such as reinforced connections and a smooth interior to ensure efficient fuel flow. These characteristics contribute to the tube’s ability to maintain a reliable fuel supply under various operating conditions.

Benefits

Using this part can lead to improved fuel efficiency, as it ensures a consistent and unimpeded flow of fuel to the engine. This can result in enhanced engine performance and increased reliability, as the engine is less likely to experience issues related to fuel supply. The tube’s durable construction also contributes to its longevity, reducing the need for frequent replacements.

Installation and Compatibility

Proper installation of the 3401514 is important to ensure it functions correctly within the fuel system. This may involve specific procedures to ensure a secure and leak-free connection. Compatibility with various truck models should be considered to ensure the tube fits within the existing fuel system and operates effectively.

Maintenance and Troubleshooting

Regular maintenance of the 3401514 is important to ensure optimal performance. This includes inspecting the tube for signs of wear or damage and addressing any issues promptly to prevent fuel leaks or other problems. Troubleshooting may involve checking for blockages or restrictions within the tube that could affect fuel flow.

Safety Considerations

Safety is an important aspect of the installation, maintenance, and operation of the 3401514. Proper handling procedures should be followed to prevent fuel leaks or other hazards. This includes ensuring that all connections are secure and that the tube is installed correctly within the fuel system.

Environmental Impact

The use of the 3401514 can contribute to efforts to minimize emissions and improve fuel efficiency. By ensuring a consistent and efficient fuel supply, the tube can help the engine operate more cleanly and efficiently, reducing its environmental impact.

Cummins Overview

Cummins Inc. is a company with a long history of manufacturing high-quality automotive components. Known for its commitment to innovation and quality, Cummins has established a reputation in the industry for producing reliable and efficient parts. The 3401514 is a product of this dedication to excellence, designed to meet the demanding requirements of commercial truck engines.

Cummins Engine Part 3401514: Fuel Supply Line Tube

The Cummins part 3401514, a Fuel Supply Line Tube, is a critical component in the fuel delivery system of several Cummins engines. This part is designed to ensure the efficient and reliable transfer of fuel from the fuel tank to the engine’s fuel injection system.

Application in Cummins Engines

M11 CELECT and M11 CELECT PLUS

The M11 CELECT and M11 CELECT PLUS engines are part of Cummins’ lineup of high-performance, electronically controlled engines. The Fuel Supply Line Tube (part 3401514) is integral to these engines, facilitating the precise delivery of fuel required for optimal performance. This part ensures that the fuel is delivered under the correct pressure and flow rate, which is crucial for maintaining the engine’s efficiency and power output.

QSM11 CM570

The QSM11 CM570 engine is another variant where the Fuel Supply Line Tube (part 3401514) plays a vital role. This engine is known for its robust design and reliability, often used in heavy-duty applications. The fuel supply line tube in this engine is engineered to withstand the rigors of demanding environments, ensuring that the fuel supply remains uninterrupted and consistent. This is essential for the engine’s performance, especially in applications where reliability and uptime are critical.

Importance of the Fuel Supply Line Tube

The Fuel Supply Line Tube (part 3401514) is a key component in the fuel delivery system of these engines. Its primary function is to transport fuel from the fuel tank to the fuel injection system. This part must be able to handle the pressure and flow requirements of the engine, ensuring that the fuel is delivered in the correct amount and at the right time. Any failure or degradation of this part can lead to fuel delivery issues, which can significantly impact engine performance and efficiency.

Compatibility and Installation

The Fuel Supply Line Tube (part 3401514) is designed to fit seamlessly with the M11 CELECT, M11 CELECT PLUS, and QSM11 CM570 engines. Proper installation is crucial to ensure that the fuel delivery system operates correctly. Technicians should follow the manufacturer’s guidelines for installation, including the use of appropriate seals and fittings to prevent leaks and ensure a secure connection. Regular inspection and maintenance of this part are also recommended to prevent any potential issues that could affect engine performance.

Role of Part 3401514 Fuel Supply Line Tube in Fuel Plumbing

The Part 3401514 Fuel Supply Line Tube is integral to the fuel plumbing system, ensuring a consistent and reliable fuel flow from the fuel tank to the engine. This component interfaces with several key elements within the fuel system, facilitating efficient engine performance.

Interaction with Fuel Tank and Pump

The Fuel Supply Line Tube connects directly to the fuel tank and the fuel pump. It serves as a conduit that carries fuel from the tank to the pump, where it is pressurized and sent further into the system. This connection is essential for maintaining the integrity of the fuel flow, preventing leaks, and ensuring that the fuel pump receives a steady supply of fuel.

Connection to Fuel Filter

Following the fuel pump, the Fuel Supply Line Tube leads to the fuel filter. The tube’s role here is to deliver pressurized fuel to the filter, where contaminants are removed before the fuel proceeds to the engine. This step is vital for protecting the engine’s fuel injectors and other sensitive components from damage caused by impurities.

Integration with Fuel Rail and Injectors

After passing through the fuel filter, the Fuel Supply Line Tube transports clean, pressurized fuel to the fuel rail. The fuel rail distributes fuel to each injector, which then sprays it into the combustion chambers. The consistent flow provided by the tube ensures that each cylinder receives the precise amount of fuel needed for optimal combustion.

Role in Fuel Return System

In systems equipped with a fuel return line, the Fuel Supply Line Tube also plays a part in managing excess fuel. After the injectors use the required amount of fuel, the surplus is returned to the tank via the return line. The tube helps regulate this flow, contributing to the overall efficiency and stability of the fuel system.

Contribution to Fuel Pressure Regulation

The Fuel Supply Line Tube works in conjunction with the fuel pressure regulator to maintain the correct fuel pressure within the system. By ensuring a consistent flow of fuel, the tube assists in stabilizing pressure levels, which is essential for the engine’s performance and fuel economy.

Support in Fuel System Diagnostics

When diagnosing fuel system issues, the Fuel Supply Line Tube is a key component to inspect. Any leaks, blockages, or damage to the tube can significantly impact fuel delivery, leading to engine performance problems. Regular maintenance and inspection of this tube are therefore important for the overall health of the fuel system.

Conclusion

The 3401514 Fuel Supply Line Tube by Cummins is a vital component in the fuel delivery system of commercial trucks, ensuring a consistent and reliable supply of fuel to the engine. Its durable construction, efficient design, and compatibility with various engine models make it an essential part for maintaining optimal engine performance and efficiency. Regular maintenance and proper installation are crucial for maximizing the benefits of this part and ensuring the longevity of the fuel system.