3917280
Fuel Supply Tube
Cummins®

Introduction

The Fuel Supply Tube is a critical component in the fuel system of commercial truck engines, ensuring the efficient delivery of fuel from the tank to the engine. The 3917280 Fuel Supply Tube by Cummins is engineered to meet the demanding requirements of heavy-duty applications. Cummins Inc. is renowned in the automotive industry for its commitment to innovation, quality, and reliability, providing components that enhance the performance and durability of commercial vehicles ¹.

Basic Concepts of Fuel Supply Tubes

A Fuel Supply Tube is a conduit that facilitates the transfer of fuel from the fuel tank to the engine’s fuel injection system. Its function is to maintain a consistent and reliable fuel flow, which is essential for engine performance. The tube operates under various pressures and temperatures, necessitating robust construction and precise engineering ². Effective fuel delivery is fundamental to engine efficiency, power output, and overall vehicle performance.

Purpose of the 3917280 Fuel Supply Tube

The 3917280 Fuel Supply Tube plays a specific role in the operation of a truck by ensuring a steady and uninterrupted supply of fuel to the engine. This component contributes to the efficiency and reliability of fuel delivery, which is vital for maintaining optimal engine performance. By providing a consistent fuel flow, the tube helps in achieving better fuel economy and reducing the risk of engine misfires or stalls.

Key Features

The 3917280 Fuel Supply Tube is engineered with several key features that enhance its performance and durability. It is constructed from high-quality materials that can withstand the rigors of heavy-duty use. The design includes precise fittings and connections to ensure a secure and leak-free installation. Additionally, the tube may incorporate features such as reinforced sections to handle high-pressure environments and flexible segments to accommodate movement within the vehicle’s fuel system.

Benefits

Using the 3917280 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and reliable fuel flow to the engine. Enhanced engine performance is another benefit, as the tube helps maintain optimal fuel delivery under various operating conditions. Reliability is also increased, reducing the likelihood of fuel system failures and contributing to lower overall maintenance costs for the truck.

Troubleshooting and Maintenance

Common issues associated with Fuel Supply Tubes include leaks, blockages, and wear due to exposure to fuel and environmental conditions. Regular maintenance practices, such as inspecting the tube for signs of wear or damage and ensuring all connections are secure, can help prevent these issues. If problems are detected, troubleshooting may involve checking for leaks, cleaning or replacing filters, and ensuring the tube is properly routed and supported. In cases of significant wear or damage, replacement of the Fuel Supply Tube may be necessary to ensure optimal performance and longevity.

Cummins Overview

Cummins Inc. has a long-standing reputation in the automotive industry for its innovative and high-quality products. Founded in 1919, the company has grown to become a global leader in providing reliable components for commercial vehicles. Cummins’ product range includes engines, powertrains, and aftermarket parts, all designed to meet the needs of heavy-duty applications. The company’s commitment to innovation and quality ensures that its components, like the 3917280 Fuel Supply Tube, contribute to the efficiency, performance, and reliability of commercial trucks ³.

Role of Part 3917280 Fuel Supply Tube in Engine Systems

The part 3917280 Fuel Supply Tube is an integral component within the fuel system of various engine setups. Its primary function is to facilitate the smooth and efficient transfer of fuel from the fuel tank to the engine’s fuel injection system. This ensures that the engine receives a consistent and adequate supply of fuel, which is essential for optimal performance and efficiency.

In systems equipped with a lift pump, the Fuel Supply Tube works in conjunction with this pump to overcome any pressure differentials between the fuel tank and the engine. The lift pump boosts the fuel pressure, allowing it to flow through the Fuel Supply Tube and into the engine’s fuel system. This setup is particularly important in engines where the fuel tank is located below the engine or in configurations where gravity alone cannot ensure a reliable fuel flow.

The Fuel Supply Tube also interfaces with the fuel transfer components, ensuring that fuel is efficiently moved from the tank to the engine, even under varying operational conditions. This is vital in systems where multiple fuel sources or transfer pumps are used, as it maintains a steady fuel supply regardless of the engine’s demand.

Additionally, the Fuel Supply Tube is designed to integrate seamlessly with various accessories and components within the fuel system. This includes connections to fuel filters, fuel lines, and other accessory components that may be part of the fuel delivery network. Its robust construction and precise engineering ensure that it can withstand the pressures and temperatures within the fuel system, providing reliable performance over the engine’s lifespan.

Conclusion

In summary, the 3917280 Fuel Supply Tube plays a significant role in ensuring that the engine receives a consistent and adequate fuel supply, working in harmony with lift pumps, fuel transfer systems, and other fuel system components to maintain engine performance and efficiency.