4008017
Injector Fuel Supply Tube
Cummins®

Introduction

The Injector Fuel Supply Tube (Part #4008017) by Cummins is a critical component in the fuel system of commercial trucks, designed to facilitate the efficient delivery of fuel to diesel engines. This part ensures that fuel is consistently and reliably supplied to the injectors, which is essential for engine performance and efficiency.

Basic Concepts of Injector Fuel Supply Tubes

An Injector Fuel Supply Tube serves as a conduit within the fuel system, carrying fuel from the fuel tank to the injectors. Its primary function is to provide a direct and unobstructed pathway for fuel, ensuring that the injectors receive a steady supply necessary for combustion. This component contributes to the overall performance of a diesel engine by maintaining consistent fuel pressure and flow, which are vital for optimal engine operation ¹.

Purpose of the Injector Fuel Supply Tube

The Injector Fuel Supply Tube (4008017) plays a role in the operation of a truck by delivering fuel from the fuel tank to the injectors. This ensures that the engine receives the precise amount of fuel required for combustion at any given moment, which is essential for maintaining engine performance and efficiency. The tube’s design allows for the efficient transfer of fuel, minimizing the risk of leaks or blockages that could disrupt fuel delivery ².

Key Features

The Injector Fuel Supply Tube (4008017) is constructed from high-quality materials that offer durability and resistance to the corrosive effects of diesel fuel. Its design includes features such as reinforced connections and a smooth interior to prevent fuel flow disruptions. These characteristics enhance the tube’s performance and longevity, ensuring reliable fuel delivery under various operating conditions ³.

Benefits

Using the Injector Fuel Supply Tube (4008017) offers several benefits, including improved fuel delivery efficiency, which leads to enhanced engine performance. The tube’s design and material construction contribute to its reliability, reducing the likelihood of fuel system issues. This results in more consistent engine operation and potentially lower maintenance costs over time.

Installation Process

Installing the Injector Fuel Supply Tube (4008017) requires following a step-by-step process to ensure proper integration into the fuel system. This includes preparing the fuel system for installation, connecting the tube to the fuel tank and injectors, and securing all connections to prevent leaks. Tools and equipment required may vary, and safety precautions should be observed to protect against fuel spills and ensure personal safety during the installation process.

Common Issues and Troubleshooting

Common issues with the Injector Fuel Supply Tube (4008017) may include leaks or blockages, which can affect fuel delivery and engine performance. Troubleshooting these issues involves inspecting the tube and connections for signs of wear or damage, cleaning or replacing components as necessary, and ensuring all connections are secure. Addressing these issues promptly can help maintain the efficiency and reliability of the fuel system.

Maintenance Tips

Regular maintenance of the Injector Fuel Supply Tube (4008017) is recommended to ensure optimal performance and longevity. This includes periodic inspection of the tube and connections for signs of wear or damage, cleaning the tube to remove any buildup that could obstruct fuel flow, and replacing the tube if significant wear is detected. Adhering to these maintenance practices can help prevent fuel system issues and ensure consistent engine operation.

Compatibility and Applications

The Injector Fuel Supply Tube (4008017) is compatible with various Cummins engine models and is designed for use in different types of commercial trucks. Its applications span across a range of truck configurations, providing a reliable fuel delivery solution for diesel engines. Ensuring compatibility with the specific engine model and truck type is important for optimal performance and efficiency.

Cummins 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 quality, Cummins has established a strong reputation in the commercial truck industry. The company’s commitment to quality is evident in its product offerings, which are designed to meet the demanding requirements of commercial applications.

Cummins Injector Fuel Supply Tube 4008017 Compatibility

The Cummins Injector Fuel Supply Tube 4008017 is a critical component designed to ensure the efficient and reliable delivery of fuel to the injectors in various engine models. This part is engineered to meet the stringent demands of high-performance engines, providing durability and precision in fuel delivery.

QSK78 Series

In the QSK78 series, the injector fuel supply tube 4008017 is integral to the engine’s operation. This series is known for its robust construction and high power output, making it suitable for heavy-duty applications. The injector fuel supply tube ensures that the fuel is delivered consistently and accurately to the injectors, which is crucial for maintaining engine performance and efficiency.

CM500 Series

Similarly, in the CM500 series, the injector fuel supply tube 4008017 plays a pivotal role. The CM500 series is designed for applications that require reliable and powerful performance, such as marine and industrial uses. The fuel supply tube in this series is engineered to withstand the demanding conditions these engines operate under, ensuring that fuel delivery remains uninterrupted and precise.

Grouping by Application

The injector fuel supply tube 4008017 is also compatible with various other Cummins engines that share similar design and operational requirements. These engines often include those used in marine, industrial, and power generation applications, where consistent and reliable fuel delivery is paramount. The tube’s design ensures that it can handle the specific pressures and flow rates required by these engines, contributing to their overall performance and longevity.

Role of Part 4008017 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 4008017, is an integral component in the fuel delivery system of an engine. This part is responsible for channeling pressurized fuel from the fuel rail to the individual fuel injectors.

In the context of the fuel system, the Injector Fuel Supply Tube interfaces directly with the fuel rail, which is a component that distributes fuel to each injector. The tube ensures a consistent and reliable fuel supply, which is essential for the injectors to operate efficiently.

Each fuel injector, upon receiving the fuel through the supply tube, atomizes the fuel into a fine mist and injects it into the combustion chamber. This process is synchronized with the engine’s operation to ensure optimal fuel-air mixture for combustion.

The Injector Fuel Supply Tube also plays a role in maintaining fuel pressure within the system. It is designed to withstand the high pressures typical in modern fuel injection systems, ensuring that fuel is delivered at the correct pressure for efficient combustion.

In terms of plumbing, the Injector Fuel Supply Tube is connected to the fuel rail via precise fittings that prevent leaks and ensure a secure connection. This is vital for the integrity of the fuel system, as any leakage could lead to a loss of fuel pressure and inefficient engine performance.

Overall, the Injector Fuel Supply Tube is a key component that facilitates the smooth operation of the fuel injection system, ensuring that each injector receives the necessary fuel at the correct pressure and timing.

Conclusion

The Injector Fuel Supply Tube (Part #4008017) by Cummins is a vital component in the fuel delivery system of commercial trucks. Its role in ensuring consistent and reliable fuel supply to the injectors is crucial for maintaining engine performance and efficiency. With its durable construction, precise design, and compatibility with various Cummins engine models, this part contributes significantly to the overall reliability and performance of diesel engines.