5402308
Injector Fuel Supply Tube
Cummins®

Introduction

The Injector Fuel Supply Tube 5402308, manufactured by Cummins, is a critical component in the fuel delivery system of heavy-duty trucks. This tube ensures efficient and reliable fuel transfer to the injectors, contributing to optimal engine performance.

Basic Concepts of Injector Fuel Supply Tubes

Injector fuel supply tubes are designed to transport fuel from the fuel tank to the injectors within the engine. They maintain a consistent fuel flow, which is essential for optimal engine performance and efficiency ¹.

Purpose and Role in Truck Operation

The Injector Fuel Supply Tube 5402308 is designed to facilitate the delivery of fuel to the injectors in heavy-duty trucks. It ensures that fuel is supplied at the correct pressure and volume, allowing the injectors to atomize the fuel effectively for combustion. This precise fuel delivery is fundamental to the engine’s operation, contributing to its overall performance and efficiency ².

Key Features

This Cummins part is constructed from high-quality materials, ensuring durability and resistance to the high pressures and temperatures within the fuel system. Its design includes features that enhance performance, such as precise engineering to maintain fuel flow integrity and compatibility with Cummins engines. These characteristics contribute to the tube’s reliability and longevity in demanding operating conditions ³.

Benefits

Utilizing the Injector Fuel Supply Tube 5402308 offers several advantages. It contributes to improved fuel efficiency by ensuring optimal fuel delivery to the injectors. This efficient fuel transfer enhances engine performance, allowing for better power output and smoother operation. Additionally, the tube’s robust construction and design ensure reliability, even under the strenuous conditions typical of heavy-duty truck applications ⁴.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube 5402308 is crucial for its effective operation. It is designed to be compatible with Cummins engines, ensuring seamless integration into the fuel system. Installation procedures should follow manufacturer guidelines to ensure correct fitting and operation, maintaining the integrity of the fuel delivery system.

Troubleshooting and Maintenance

Regular maintenance and timely troubleshooting are important for the Injector Fuel Supply Tube 5402308 to function optimally. Common issues may include fuel leaks or blockages, which can be addressed through inspection and cleaning or replacement of the tube if necessary. Adhering to recommended maintenance schedules helps prevent such issues, ensuring the tube continues to perform efficiently.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the automotive industry, particularly for its diesel engines and components. The company’s commitment to excellence is reflected in its product offerings, which are designed to meet the demanding requirements of various applications, including heavy-duty trucks.

Cummins Injector Fuel Supply Tube (Part 5402308) Compatibility

The Cummins Injector Fuel Supply Tube, part number 5402308, is a critical component in the fuel delivery system of various Cummins engines. This part ensures that fuel is efficiently and accurately delivered to the injectors, which is essential for optimal engine performance and fuel economy.

Compatibility with Cummins Engines

The Injector Fuel Supply Tube (5402308) is designed to fit seamlessly with several Cummins engine models. Here are the engines and engine groups where this part is applicable:

• QSB3.3 CM2250 EC: This engine is part of the QSB series, known for its reliability and efficiency in various applications, including industrial and marine uses. The 5402308 part is integral to maintaining the fuel delivery system’s integrity in this engine.

• QSC8.3 CM2350 EC: Another member of the QSC series, this engine is designed for heavy-duty applications. The injector fuel supply tube ensures that the injectors receive the correct amount of fuel, which is crucial for the engine’s performance and longevity.

• QSK19 CM2300 EC: This engine is part of the QSK series, which is known for its high power output and efficiency. The 5402308 part is essential for the proper functioning of the fuel system in this engine, ensuring that fuel is delivered consistently and accurately.

• QSK38 CM2350 EC: Similar to the QSK19, this engine is designed for high-power applications. The injector fuel supply tube is a key component in maintaining the fuel system’s efficiency and reliability.

• QSK50 CM2350 EC: This engine is part of the QSK series and is designed for the most demanding applications. The 5402308 part ensures that the fuel delivery system operates smoothly, contributing to the engine’s overall performance and durability.

Engine Groups

The injector fuel supply tube (5402308) is compatible with the following engine groups:

• QSB Series: This series includes engines like the QSB3.3 CM2250 EC, which are used in a variety of applications, including industrial and marine.
• QSC Series: These engines, such as the QSC8.3 CM2350 EC, are designed for heavy-duty applications.
• QSK Series: This series includes high-power engines like the QSK19 CM2300 EC, QSK38 CM2350 EC, and QSK50 CM2350 EC, which are used in demanding environments.

By ensuring that the injector fuel supply tube is correctly installed and maintained, engine owners can help maintain the performance and longevity of their Cummins engines.

Role of Part 5402308 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 5402308, is integral to the efficient operation of modern engine systems. This component facilitates the precise delivery of fuel from the fuel rail to the fuel injectors.

In the context of the cylinder head, the Injector Fuel Supply Tube ensures that each fuel injector receives a consistent and regulated flow of fuel. This is essential for the injectors to atomize the fuel properly, leading to optimal combustion within the cylinders. The tube’s design allows it to interface seamlessly with the fuel rail, which distributes fuel under pressure to all injectors.

The consistent fuel supply provided by the Injector Fuel Supply Tube contributes to the overall performance and efficiency of the engine. It helps maintain the correct air-fuel ratio, which is vital for engine power, fuel economy, and emissions control.

Conclusion

The Injector Fuel Supply Tube 5402308 plays a significant role in the fuel delivery system, ensuring that the fuel injectors operate effectively within the engine’s cylinder head. Its precise fuel delivery contributes to optimal engine performance, fuel efficiency, and reliability.