3094877
Injector Fuel Supply Tube
Cummins®

Introduction

The Cummins Injector Fuel Supply Tube, part number 3094877, is a critical component in the fuel system of commercial trucks. It ensures the efficient delivery of fuel from the fuel tank to the injectors, which is essential for optimal engine performance and fuel efficiency. This part is designed to maintain the integrity of the fuel supply line, ensuring that fuel reaches the injectors without leaks or interruptions.

Basic Concepts

Injector fuel supply tubes are essential components within the fuel system of diesel engines. They transport fuel under pressure from the fuel tank to the injectors, where it is atomized and combusted to produce power. The efficiency of this process directly impacts engine performance, fuel economy, and emissions. A well-designed fuel supply tube ensures that fuel is delivered consistently and under the correct pressure, contributing to stable engine operation and efficient combustion ¹.

Purpose and Role

The Cummins Injector Fuel Supply Tube (Part #3094877) is engineered to deliver fuel to the injectors in a manner that supports efficient combustion within the engine. It maintains the integrity of the fuel supply line, ensuring that fuel reaches the injectors without leaks or interruptions. This component is designed to withstand the high pressures and temperatures associated with diesel fuel systems, contributing to the overall reliability and performance of the engine ².

Key Features

The Cummins Injector Fuel Supply Tube is characterized by several key features that enhance its performance and reliability. Its durable construction is designed to resist wear and corrosion, ensuring longevity in demanding operating conditions. Precise engineering ensures that the tube maintains the correct fuel pressure and flow rate, which is essential for engine efficiency. Additionally, the tube is specifically designed for compatibility with Cummins engines, ensuring seamless integration and optimal performance ³.

Benefits

Utilizing the Cummins Injector Fuel Supply Tube offers several benefits to fleet operators. Improved fuel efficiency is a direct result of the tube’s ability to deliver fuel precisely and under the correct pressure, reducing waste and lowering operating costs. Enhanced engine performance is another advantage, as consistent fuel delivery supports stable combustion and power output. Furthermore, the durable construction and precise engineering of the tube contribute to reduced maintenance requirements, translating into cost savings and increased productivity for fleet operations.

Troubleshooting and Maintenance

To ensure the Cummins Injector Fuel Supply Tube operates at peak efficiency, it is important to address common issues such as leaks, blockages, or fuel delivery problems promptly. Routine maintenance tasks, including inspecting the tube for damage, checking connections for tightness, and replacing worn components, are essential for maintaining optimal performance and longevity. Regular maintenance not only prevents unexpected downtime but also contributes to the overall efficiency and reliability of the engine.

Cummins Overview

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 reputation for quality, Cummins has established itself as a leading manufacturer of diesel engines and components for commercial truck applications. The company’s commitment to providing reliable and high-quality products is evident in its extensive range of engine components, including the Cummins Injector Fuel Supply Tube, which is designed to meet the demanding requirements of commercial fleets.

Application in Cummins Engines

QST30 CM552 Engines

The Injector Fuel Supply Tube (3094877) is specifically designed to fit seamlessly within the QST30 CM552 engine series. This engine is known for its robust construction and reliability, making it a popular choice in various industrial and commercial applications. The fuel supply tube plays a pivotal role in ensuring that the injectors receive the correct amount of fuel at the right pressure, which is essential for the engine’s efficiency and longevity.

Other Cummins Engines

While the primary focus here is on the QST30 CM552 engines, it is important to note that the Injector Fuel Supply Tube (3094877) is also compatible with a range of other Cummins engines. This part is engineered to meet the stringent requirements of Cummins’ diverse engine lineup, ensuring consistent performance across different models. The compatibility extends to various engine groups where the design and specifications align with the requirements of the fuel delivery system.

Role of Part 3094877 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, part number 3094877, is integral to the efficient operation of fuel injection systems within various engine setups. This component facilitates the precise delivery of fuel from the fuel rail to the injectors, ensuring that each cylinder receives the correct amount of fuel for optimal combustion.

In conjunction with the Fuel Rail, the Injector Fuel Supply Tube maintains consistent fuel pressure across all injectors. This uniformity is essential for balanced engine performance and fuel efficiency. The tube connects directly to each Fuel Injector, allowing for the regulated flow of fuel into the combustion chamber.

The performance of the Injector Fuel Supply Tube is also influenced by its interaction with the Engine Control Unit (ECU). The ECU monitors various engine parameters and adjusts the fuel delivery accordingly. The tube must therefore be capable of withstanding the pressures and temperatures generated within the fuel system, ensuring reliable operation under all driving conditions.

Furthermore, the Injector Fuel Supply Tube works in harmony with the Fuel Pump to maintain adequate fuel pressure throughout the system. The fuel pump draws fuel from the tank and pressurizes it before it reaches the rail and subsequently the injectors via the supply tube.

Conclusion

The Cummins Injector Fuel Supply Tube (Part #3094877) is a vital component that ensures the smooth operation of the fuel delivery system in the QST30 CM552 engines and other compatible Cummins engines. Its design and engineering are tailored to meet the specific needs of these engines, contributing to their overall efficiency and reliability. Regular maintenance and prompt troubleshooting of common issues are essential for maintaining optimal performance and longevity of this part.