3015391
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3015391 Fuel Supply Line is a component designed to facilitate the delivery of fuel from the fuel tank to the engine in heavy-duty trucks. Its role is integral to the efficient operation of the vehicle, ensuring that the engine receives a consistent and adequate supply of fuel under various operating conditions ¹.

Basic Concepts of Fuel Supply Lines

A fuel supply line is a conduit that transports fuel from the fuel tank to the engine. Its function within a truck’s fuel system is to provide a reliable pathway for fuel to travel, ensuring that the engine receives the necessary fuel for combustion. The operation of a fuel supply line involves maintaining a steady flow of fuel, which is pressurized by the fuel pump and regulated by various components to meet the engine’s demands ².

Role of the 3015391 Fuel Supply Line in Truck Operation

This Cummins part plays a specific role in the truck’s fuel system by connecting the fuel tank to the fuel filter and subsequently to the fuel injectors. This line ensures that fuel is delivered efficiently and without interruption, interacting seamlessly with other components to maintain the engine’s performance. Its design allows for the accommodation of the truck’s movement and vibration, ensuring a stable fuel supply under all operating conditions ³.

Key Features of the 3015391 Fuel Supply Line

The design and construction of the 3015391 incorporate materials and engineering that enhance its durability and performance. Constructed from high-quality materials, this fuel supply line is resistant to the corrosive effects of fuel and the mechanical stresses encountered in heavy-duty applications. Its unique characteristics, such as flexibility and reinforced sections, contribute to its reliability and longevity ⁴.

Benefits of Using the 3015391 Fuel Supply Line

Utilizing this Cummins part offers several advantages, including improved fuel efficiency due to its precise design, which minimizes fuel loss and ensures a consistent flow. Its reliability is enhanced by the materials used and its construction, leading to reduced maintenance needs. Additionally, the longevity of this fuel supply line contributes to the overall durability of the truck’s fuel system.

Installation Considerations

When installing the 3015391, it is important to follow guidelines and best practices to ensure proper integration into the truck’s fuel system. This includes ensuring a secure connection at both the fuel tank and the fuel filter/injectors, using the appropriate fittings and tools. Specific requirements may include the use of sealants or thread lockers to prevent leaks, and precautions should be taken to avoid damage to the line during installation.

Maintenance and Troubleshooting

To ensure the optimal performance of the 3015391 Fuel Supply Line, regular maintenance is recommended. This includes periodic inspections for signs of wear, damage, or leaks, and cleaning procedures to remove any contaminants that may accumulate. Common issues that may arise include fuel leaks, reduced fuel flow, or line damage, which can often be identified through visual inspection and resolved through repair or replacement as necessary.

Compatibility and Applications

The 3015391 is designed for use in specific types of trucks and engines, with compatibility determined by the make, model, and series of the vehicle. It is important to verify compatibility to ensure proper fit and function within the truck’s fuel system.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a broad range of product offerings, Cummins has established a reputation for quality and reliability in the automotive and heavy-duty truck industries. The company’s commitment to excellence is reflected in its components, including the 3015391 Fuel Supply Line, which is designed to meet the demanding requirements of heavy-duty applications.

Cummins Part 3015391: Fuel Supply Line Compatibility

The Cummins part 3015391, a Fuel Supply Line, is designed to integrate seamlessly with specific engine models, ensuring optimal fuel delivery and engine performance. This part is engineered to fit within the Cummins engine family, specifically targeting the N14 MECHANICAL and NH/NT 855 engines.

N14 MECHANICAL

The N14 MECHANICAL engine, known for its robust design and reliability, benefits from the precise engineering of the 3015391 Fuel Supply Line. This component is crucial for maintaining the integrity of the fuel system, ensuring that fuel is delivered efficiently and consistently to the engine’s combustion chambers. The fitment of this part is meticulously designed to align with the N14 MECHANICAL’s fuel system architecture, facilitating smooth operation and reducing the risk of fuel leaks or delivery issues.

NH/NT 855

Similarly, the NH/NT 855 engine, which is part of Cummins’ lineup of heavy-duty engines, is compatible with the 3015391 Fuel Supply Line. This engine model, favored for its power and durability, requires a reliable fuel supply line to support its demanding operational needs. The 3015391 part is crafted to integrate perfectly with the NH/NT 855’s fuel system, ensuring that fuel is supplied at the correct pressure and flow rate, which is essential for maintaining engine efficiency and performance.

By ensuring a precise fit and reliable performance, the Cummins part 3015391 Fuel Supply Line is an essential component for both the N14 MECHANICAL and NH/NT 855 engines, contributing to the overall reliability and efficiency of these robust engine models.

Role of Part 3015391 Fuel Supply Line in Engine Systems

The Part 3015391 Fuel Supply Line is integral to the efficient operation of various engine systems. It is responsible for delivering fuel from the fuel tank to the engine’s fuel injection system. This ensures a consistent and reliable fuel supply, which is essential for the engine’s performance.

Integration with Bypass and Aftercooler Bleed Tube

In systems that incorporate a bypass and aftercooler bleed tube, the fuel supply line works in tandem to maintain optimal engine operation. The bypass tube allows excess fuel to return to the tank, preventing over-pressurization and ensuring that the fuel system operates within safe parameters. The aftercooler bleed tube, on the other hand, helps in managing the temperature and pressure of the air-fuel mixture post-compression. The fuel supply line ensures that a steady stream of fuel is available to mix with the air, facilitating efficient combustion.

Coordination with Fuel Tubing

The fuel tubing throughout the engine system relies on the fuel supply line to deliver fuel under the correct pressure and volume. Fuel tubing routes the fuel to various injectors and components, and the supply line’s role is to maintain the integrity of this fuel delivery. This coordination is vital for the precise fuel metering required by modern fuel injection systems, ensuring that each cylinder receives the correct amount of fuel for optimal performance and emissions control.

Conclusion

In summary, the Part 3015391 Fuel Supply Line is a key component that ensures the seamless operation of the fuel delivery system, working in concert with other components like the bypass and aftercooler bleed tube and fuel tubing to maintain engine efficiency and performance.