3092139
Injector Fuel Supply Tube
Cummins®

Introduction

The Cummins Injector Fuel Supply Tube (Part #3092139) is designed to facilitate the efficient delivery of fuel to the injectors in heavy-duty trucks. This part is integral to the fuel system, ensuring that the engine receives a consistent and pressurized fuel supply, which is vital for optimal engine performance and efficiency.

Basic Concepts

Injector fuel supply tubes are fundamental components within the fuel system of diesel engines. Their primary function is to transport fuel from the fuel tank or fuel pump to the injectors. By maintaining a steady fuel pressure, these tubes contribute to the precise atomization of fuel, which enhances combustion efficiency and overall engine performance ¹.

Purpose and Function

The Cummins Injector Fuel Supply Tube plays a role in the operation of a truck by delivering fuel to the injectors and maintaining the necessary fuel pressure. This ensures that the fuel is atomized correctly upon injection into the combustion chamber, which is crucial for efficient combustion and engine performance. The tube is designed to withstand the high pressures and temperatures within the fuel system, ensuring reliable operation under various driving conditions ².

Key Features

The Cummins Injector Fuel Supply Tube is characterized by its robust design and the use of high-quality materials. It is constructed to endure the demanding conditions of heavy-duty truck applications. The tube’s design includes features that enhance its durability and performance, such as reinforced sections to handle high pressure and temperature resistance to prevent degradation over time.

Benefits

Utilizing the Cummins Injector Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered consistently and under the correct pressure. This results in more efficient combustion, which can lead to better overall engine performance. Additionally, the tube’s durable construction and reliable operation increase the reliability of the fuel system, reducing the likelihood of fuel-related issues.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube is vital to ensure it functions correctly within the fuel system. It is designed to be compatible with specific Cummins engine models, ensuring a precise fit and optimal performance. Installation procedures should follow manufacturer guidelines to maintain the integrity of the fuel system and ensure the tube operates as intended.

Maintenance and Troubleshooting

Regular maintenance of the Injector Fuel Supply Tube is important to ensure its continued reliable operation. This includes inspecting the tube for signs of wear, leaks, or blockages. Common troubleshooting tips involve checking for proper fuel pressure and ensuring there are no obstructions in the fuel line. Addressing issues promptly can prevent more significant problems and maintain the efficiency of the fuel system.

Common Issues and Solutions

Common problems with the Injector Fuel Supply Tube may include leaks, blockages, or degradation due to exposure to high temperatures and pressures. Solutions to these issues involve inspecting the tube regularly, replacing it if signs of wear are detected, and ensuring that the fuel system is free from contaminants that could cause blockages. Preventive measures include using high-quality fuel and adhering to recommended maintenance schedules.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive industry. The company’s product offerings include a wide range of engines and components designed for heavy-duty applications, demonstrating a commitment to excellence and customer satisfaction ³.

Compatibility with Cummins Engines

The Injector Fuel Supply Tube (3092139) is designed to fit seamlessly with several Cummins engine models. Here are the engines and groups where this part is applicable:

• QSK Series Engines

  • QSK38: Known for its robust design and high performance in various industrial applications.
  • QSK50: Recognized for its power and efficiency, often used in heavy-duty applications.

• QSC Series Engines

  • QSC13: Engineered for high power output and reliability in demanding environments.
  • QSC17: Designed to deliver exceptional performance and durability in various industrial and power generation applications.
  • QSC20: Known for its high power output and reliability in demanding industrial and power generation applications.

Role of Part 3092139 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 3092139, is an essential component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel rail to the injectors, ensuring a consistent and precise fuel supply for combustion.

Integration with Key Engine Components

1. Fuel Rail and Injectors: The Injector Fuel Supply Tube connects the fuel rail to the injectors. This connection is vital for maintaining fuel pressure and ensuring that each injector receives the correct amount of fuel at the right time. The tube’s design allows for efficient fuel distribution, which is necessary for optimal engine performance.

2. Camshaft and Gear: Although the camshaft and gear are primarily responsible for the timing of valve operation, they indirectly influence fuel delivery. Proper valve timing ensures that the air-fuel mixture is introduced into the combustion chamber at the correct moment. The Injector Fuel Supply Tube supports this process by providing a reliable fuel supply to the injectors, which work in sync with the camshaft’s operation.

3. Vent Tube: The vent tube plays a role in maintaining the integrity of the fuel system by allowing air to escape from the fuel rail as fuel is consumed. This prevents a vacuum from forming, which could otherwise impede fuel flow. The Injector Fuel Supply Tube works in conjunction with the vent tube to ensure that the fuel system remains pressurized and functions efficiently.

4. Performance Parts: In high-performance engine setups, the Injector Fuel Supply Tube is often upgraded to handle increased fuel flow rates. This is particularly important in turbocharged or supercharged engines where higher fuel volumes are required to match the increased air intake. The tube must be capable of delivering fuel quickly and consistently to meet the demands of performance parts such as upgraded injectors and fuel pumps.

5. Overall Engine Performance: The efficiency of the Injector Fuel Supply Tube directly impacts engine performance. A well-functioning tube ensures that the injectors operate at peak efficiency, leading to better fuel atomization, more complete combustion, and ultimately, enhanced engine performance.

Conclusion

In summary, the Injector Fuel Supply Tube (part 3092139) is a key component that facilitates the precise and consistent delivery of fuel to the injectors, supporting the overall functionality and performance of the engine system.