3175740
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3175740 Fuel Supply Tube is a component designed for use in heavy-duty trucks. It serves a role in the fuel system by facilitating the transfer of fuel from the tank to the engine. This ensures a consistent and reliable fuel supply, which is important for the efficient operation of the vehicle.

Purpose and Function

The Cummins 3175740 Fuel Supply Tube provides a conduit for fuel to travel from the tank to the engine. It is engineered to withstand the pressures and temperatures associated with fuel transfer, ensuring that fuel is delivered efficiently and without interruption. This component is integral to maintaining the performance and reliability of the truck’s engine.

Key Features

This Cummins part is constructed from high-quality materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its longevity and performance, such as reinforced connections and a smooth interior that minimizes fuel flow resistance. These characteristics contribute to the overall efficiency and reliability of the fuel system.

Benefits

Utilizing the Cummins 3175740 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent fuel flow to the engine. The robust construction of the tube enhances its reliability, reducing the likelihood of leaks or failures. Additionally, its design promotes longevity, making it a cost-effective component for heavy-duty truck applications.

Installation Process

Installing the Cummins 3175740 Fuel Supply Tube requires careful attention to detail to ensure proper function and safety. The process involves disconnecting the old tube, cleaning the fuel system, and securely attaching the new tube in its place. Tools such as wrenches and sealant may be necessary, and safety precautions, including wearing protective gear and ensuring the fuel system is depressurized, should be observed throughout the installation.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3175740 Fuel Supply Tube is important for its continued performance. This includes checking for signs of wear or damage, ensuring connections are secure, and cleaning the tube as needed. Common issues may include fuel leaks or reduced fuel flow, which can often be addressed by inspecting and tightening connections or replacing damaged sections of the tube.

Cummins Overview

Cummins Inc. is a well-established company in the automotive and heavy-duty truck industry, known for its high-quality engines and components. With a history of innovation and commitment to excellence, Cummins has built a reputation for producing reliable and efficient products that meet the demanding requirements of heavy-duty applications ¹.

Application in Cummins Engines

K50 Series

• K50-C150: The Fuel Supply Tube in the K50-C150 engine is designed to withstand high pressure and deliver fuel consistently. It is integral to maintaining the engine’s performance and efficiency.
• K50-C180: For the K50-C180, the part 3175740 ensures that the fuel supply remains uninterrupted, which is crucial for the engine’s operation, especially under heavy load conditions.
• K50-C220: In the K50-C220, this fuel supply tube is engineered to handle the demands of high-performance applications, ensuring that fuel is delivered precisely where it is needed.

Other Cummins Engines

• QSB Series: The part 3175740 is also compatible with various models in the QSB series, where it plays a role in maintaining the fuel delivery system’s integrity.
• QSC Series: In the QSC series, this fuel supply tube is designed to meet the stringent requirements of commercial and industrial applications, ensuring reliable fuel delivery.

The Cummins part number 3175740 is a testament to the brand’s commitment to quality and reliability, ensuring that the fuel supply system operates smoothly and efficiently across a range of engine models.

Role of Part 3175740 Fuel Supply Tube in Engine Systems

The part 3175740 Fuel Supply Tube is an integral component in the fuel delivery system of various engine setups. It facilitates the seamless transfer of fuel from the fuel tank to the fuel manifold, ensuring a consistent and reliable fuel supply to the engine.

Integration with Fuel Manifold

The Fuel Supply Tube connects directly to the fuel manifold, which is responsible for distributing fuel to the individual fuel injectors. This connection ensures that the manifold receives a steady flow of fuel, allowing it to maintain precise control over the fuel-air mixture delivered to each cylinder. The consistent fuel supply enhances engine performance and efficiency.

Interaction with Base Parts

In the engine assembly, the Fuel Supply Tube is often mounted to the base parts of the engine. These base parts provide a stable and secure foundation for the tube, ensuring it remains in place during engine operation. The secure mounting of the tube prevents fuel leaks and maintains the integrity of the fuel delivery system.

Contribution to Overall Fuel System

The Fuel Supply Tube works in conjunction with other components such as the fuel pump, fuel filter, and fuel pressure regulator. The fuel pump draws fuel from the tank and sends it through the tube to the manifold. The fuel filter ensures that any contaminants are removed before the fuel reaches the engine, while the fuel pressure regulator maintains the correct pressure for optimal engine performance.

Ensuring Reliable Fuel Delivery

By providing a dedicated pathway for fuel, the Fuel Supply Tube plays a role in ensuring that the engine receives a consistent and clean fuel supply. This reliability is important for the engine’s overall performance, efficiency, and longevity. The tube’s design and placement within the engine system are optimized to handle the pressures and temperatures associated with fuel delivery, contributing to the engine’s smooth operation.

Conclusion

The Cummins 3175740 Fuel Supply Tube is a critical component in the fuel delivery system of heavy-duty trucks and various Cummins engines. Its robust construction, efficient design, and reliable performance contribute to the overall efficiency and reliability of the fuel system. Regular maintenance and proper installation are essential to ensure the continued performance and longevity of this part.