5575374
Fuel Supply Tube
Cummins®

Introduction

The Fuel Supply Tube 5575374, designed by Cummins, is a critical component for the efficient transfer of fuel from the tank to the engine in heavy-duty trucks. This part ensures a consistent and reliable fuel supply, which is essential for optimal engine performance and efficiency.

Basic Concepts of Fuel Supply Tubes

A Fuel Supply Tube serves as a conduit within the fuel system, providing a secure and efficient pathway for fuel delivery. It must withstand the pressures and temperatures associated with fuel transport while ensuring the fuel remains clean and free from contaminants ¹.

Purpose of the 5575374 Fuel Supply Tube

This Cummins part is designed to deliver fuel from the tank to the engine, ensuring a consistent supply necessary for combustion and power generation. It is engineered to handle the specific fuel pressures and flow rates required by Cummins engines, contributing to the vehicle’s overall efficiency and reliability ².

Key Features

The 5575374 Fuel Supply Tube is constructed from durable materials that resist the corrosive effects of fuel. Its design includes reinforced sections to withstand pressure and smooth inner walls to facilitate fuel flow, enhancing its longevity and effectiveness in the fuel system ³.

Benefits

Using this part can lead to improved fuel delivery efficiency, enhancing engine performance. Its durable construction results in a longer service life, potentially leading to cost savings. Additionally, its design helps maintain fuel quality, which is important for engine health and efficiency.

Installation Process

Installing the 5575374 requires careful attention to ensure optimal performance. The process involves securing the tube to the fuel tank and engine, ensuring all connections are tight and free from leaks. Following the manufacturer’s guidelines is important to avoid damage to the tube or the fuel system and to ensure correct alignment and support.

Common Issues and Troubleshooting

Issues with this Cummins part may include leaks, blockages, or damage. Troubleshooting involves inspecting the tube for wear or damage, checking connections for tightness, and ensuring the fuel system is free from contaminants. Addressing these issues promptly helps maintain the efficiency and reliability of the fuel system.

Maintenance Tips

To prolong the lifespan of the 5575374, regular inspections should be conducted to check for signs of wear or damage. Cleaning the tube and its connections can help prevent blockages and ensure a smooth flow of fuel. Adhering to recommended service intervals for inspection and maintenance contributes to the tube’s durability and performance.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and a commitment to quality, Cummins provides a wide range of products and services for the transportation, construction, mining, and power generation industries. The company is known for its expertise in engine technology and its dedication to customer satisfaction.

Cummins Fuel Supply Tube 5575374 Compatibility

The 5575374 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal fuel delivery and engine performance. This part is engineered to meet the specific needs of the following engines:

• X15 CM2350 X116B
• X15 CM2450 X134B

These engines, while distinct in their specifications, share a commonality in their fuel supply requirements, making the 5575374 tube a versatile and reliable choice. The tube’s design ensures it can handle the pressure and flow demands of these engines, contributing to their overall efficiency and longevity.

Role of Part 5575374 Fuel Supply Tube in Engine Systems

This part is an integral component in the fuel delivery system of various engine setups. It is responsible for transporting fuel from the fuel tank to the engine’s fuel filter and subsequently to the fuel injectors or carburetor.

In modern fuel-injected engines, the Fuel Supply Tube ensures a consistent and regulated flow of fuel under pressure from the tank to the fuel filter. The fuel filter removes impurities and contaminants from the fuel before it reaches the fuel injectors. The clean fuel is then atomized by the injectors into the combustion chambers, where it mixes with air and is ignited by the spark plugs.

In carbureted engine systems, the Fuel Supply Tube delivers fuel to the carburetor, where it is mixed with air before entering the engine’s cylinders. The carburetor regulates the air-fuel mixture based on the engine’s demand, ensuring optimal performance and efficiency.

Throughout its journey, the Fuel Supply Tube must maintain a sealed and secure connection to prevent fuel leaks, which could pose safety hazards and affect engine performance. It is typically connected to the fuel tank at one end and the fuel filter or carburetor at the other, with various fittings and hoses ensuring a tight seal.

Conclusion

The 5575374 Fuel Supply Tube by Cummins plays a significant role in the efficient and safe operation of engine systems by facilitating the smooth and uninterrupted flow of fuel from the tank to the point of combustion. Its durable construction, compatibility with various Cummins engines, and essential role in fuel delivery make it a critical component for maintaining engine performance and efficiency.