4331980
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube, part number 4331980, is a critical component designed for diesel engines, facilitating efficient fuel transport from the fuel tank to the injectors. This part ensures the engine’s operation by maintaining a consistent fuel supply under pressure.

Basic Concepts of Injector Fuel Supply Tube

The Injector Fuel Supply Tube operates by delivering pressurized fuel from the fuel pump to the injectors. It interacts with the fuel pump, fuel filter, and injectors to maintain a consistent fuel supply. The tube is designed to withstand high pressure and temperature, ensuring reliable fuel delivery ¹.

Purpose of the Injector Fuel Supply Tube

This Cummins part serves a vital function by delivering fuel to the injectors and maintaining consistent fuel pressure. This ensures that the injectors receive the precise amount of fuel needed for combustion, contributing to the engine’s performance and efficiency.

Key Features

The Injector Fuel Supply Tube 4331980 is constructed from durable materials designed to resist corrosion and wear. Its design includes reinforced connections and a smooth interior to minimize fuel flow resistance, enhancing performance and durability.

Benefits

This part offers several advantages, including improved fuel efficiency due to its precise fuel delivery. It enhances engine performance by ensuring that the injectors receive a consistent fuel supply. Additionally, its robust construction provides reliability in demanding conditions, contributing to the overall durability of the fuel system.

Installation and Integration

Proper installation of the Injector Fuel Supply Tube within the truck’s fuel system is crucial for optimal performance. This involves ensuring secure connections to the fuel pump and injectors, and verifying that the tube is free from kinks or obstructions. Following manufacturer guidelines during installation helps prevent issues and ensures the tube functions as intended ².

Common Issues and Troubleshooting

Common problems associated with the Injector Fuel Supply Tube include leaks and blockages. Leaks may occur at connection points, while blockages can result from debris or corrosion within the tube. Troubleshooting steps include inspecting connection points for leaks, checking for obstructions within the tube, and ensuring that the tube is properly installed and secured.

Maintenance Tips

Regular maintenance of the Injector Fuel Supply Tube is important for its longevity and efficient operation. This includes periodic inspections for signs of wear or damage, cleaning the tube to remove any debris, and ensuring that connections remain secure. Adhering to recommended inspection intervals and maintenance procedures helps prevent issues and ensures reliable performance.

Cummins Corporation 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 quality, Cummins has established itself as a trusted name in the automotive industry, committed to providing reliable and efficient power solutions.

Cummins Injector Fuel Supply Tube (Part 4331980) Compatibility

The Cummins Injector Fuel Supply Tube, identified by part number 4331980, is a critical component in the fuel delivery system of certain Cummins engines. This part is designed to ensure the proper flow of fuel from the fuel supply system to the injectors, which is essential for the efficient operation of the engine.

Compatibility with Cummins Engines

The Injector Fuel Supply Tube (4331980) is compatible with the following Cummins engines:

• QSK95 CM2350 K111
• QSK95 CM2350 K113

These engines are part of the Cummins QSK series, known for their robust performance and reliability in various industrial and power generation applications. The injector fuel supply tube is engineered to fit seamlessly within the fuel system architecture of these engines, ensuring optimal fuel delivery and combustion efficiency.

Installation and Function

When installed, the injector fuel supply tube connects the fuel rail to the injectors, providing a conduit for the high-pressure fuel to reach the injectors. This connection is crucial for maintaining the integrity of the fuel system and ensuring that the injectors receive the correct amount of fuel at the right pressure, which is vital for the engine’s performance and longevity.

Importance of Proper Installation

Proper installation of the injector fuel supply tube is essential to avoid fuel leaks, which can lead to performance issues and potential safety hazards. It is recommended that this part be installed by a certified technician to ensure that it is correctly aligned and securely fastened, maintaining the efficiency and reliability of the engine’s fuel system.

Role of Part 4331980 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 4331980, is an integral component within the fuel delivery system of an engine. This tube facilitates the precise and efficient transfer of fuel from the fuel supply system to the fuel injectors.

In the context of plumbing, the Injector Fuel Supply Tube acts as a conduit, ensuring that fuel is delivered under the correct pressure and in the right quantity to each injector. This is essential for maintaining the balance and performance of the engine. The tube is designed to withstand the high pressures and temperatures within the fuel system, ensuring reliable operation over time.

Regarding the fuel supply system, the Injector Fuel Supply Tube plays a significant role in maintaining consistent fuel pressure. It connects the fuel rail to the fuel injectors, allowing for a steady stream of fuel to be available for injection into the combustion chambers. This consistent fuel supply is vital for the injectors to operate efficiently, ensuring optimal fuel atomization and combustion.

The tube also contributes to the overall integrity of the fuel system by preventing fuel leaks and ensuring that fuel is not contaminated as it travels from the fuel tank to the injectors. This is particularly important in high-performance engines where fuel delivery precision can significantly impact engine efficiency and power output.

Conclusion

In summary, the Injector Fuel Supply Tube (part 4331980) is a key component that ensures the reliable and efficient delivery of fuel within the engine system, playing a significant role in both the plumbing and fuel supply aspects of engine operation.