3093374
Injector Fuel Supply Tube
Cummins®

Introduction

The Injector Fuel Supply Tube 3093374 is a component manufactured by Cummins, a well-established name in the automotive industry, particularly known for its heavy-duty truck engines. This part is integral to the fuel system of such engines, ensuring efficient and reliable fuel delivery to the injectors.

Basic Concepts

Injector fuel supply tubes are vital components within the fuel system of diesel engines. Their primary function is to transport fuel from the fuel tank or reservoir to the injectors. These tubes operate under pressure and must be capable of withstanding the demands of the fuel system. They interact closely with other components such as the fuel pump, injectors, and fuel filter, ensuring a seamless flow of fuel throughout the system ¹.

Purpose and Function

The Injector Fuel Supply Tube 3093374 plays a role in the fuel delivery system by providing a conduit for fuel to travel from the fuel source to the injectors. It is designed to maintain consistent fuel pressure, which is crucial for the precise operation of the injectors. This ensures that the fuel is delivered in the correct quantity and at the right time, contributing to the overall efficiency and performance of the engine ².

Key Features

The Injector Fuel Supply Tube 3093374 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 its performance, such as precise engineering to maintain fuel pressure and prevent leaks. The tube’s material composition and design characteristics are tailored to withstand the rigors of heavy-duty applications ³.

Benefits

Utilizing the Injector Fuel Supply Tube 3093374 can lead to improved fuel efficiency, as it ensures that fuel is delivered to the injectors under optimal pressure conditions. This can enhance engine performance, allowing for smoother operation and potentially extending the lifespan of the engine. Additionally, the robust construction of the tube contributes to increased reliability, even under demanding operating conditions.

Troubleshooting and Maintenance

Common issues with the Injector Fuel Supply Tube 3093374 may include leaks or blockages, which can affect fuel delivery and engine performance. Regular inspection and maintenance are recommended to identify and address these issues promptly. This may involve checking for signs of wear or damage, ensuring connections are secure, and replacing the tube if necessary to maintain optimal performance and longevity.

Cummins Overview

Cummins is a reputable manufacturer with a long-standing history in the automotive industry. The company is known for its commitment to producing high-quality components, including engines and related parts. Cummins’ reputation is built on a foundation of innovation, reliability, and customer satisfaction, making it a trusted name in the industry for heavy-duty truck applications.

Cummins Injector Fuel Supply Tube (Part 3093374) Compatibility

The Cummins Injector Fuel Supply Tube, part number 3093374, is a critical component in the fuel delivery system of various Cummins engines. This part ensures the efficient and reliable transfer of fuel from the fuel supply line to the injectors, maintaining optimal engine performance.

Engine Compatibility

• QST30 CM552

  • The Injector Fuel Supply Tube is specifically designed to fit seamlessly with the QST30 CM552 engine. This compatibility ensures that the fuel supply remains uninterrupted, which is crucial for maintaining the engine’s power and efficiency.

• Other Cummins Engines

  • While the primary focus here is on the QST30 CM552, the Injector Fuel Supply Tube (part number 3093374) is also compatible with a range of other Cummins engines. This part is engineered to meet the stringent requirements of Cummins’ fuel delivery systems, ensuring it fits perfectly and functions reliably across various engine models.

Importance of the Injector Fuel Supply Tube

The Injector Fuel Supply Tube is integral to the engine’s fuel system, as it connects the fuel supply line to the injectors. This connection is vital for the proper delivery of fuel to the combustion chamber, ensuring the engine operates smoothly and efficiently. Any disruption in this supply can lead to performance issues, making the reliability and precision of this part essential.

Installation and Maintenance

Proper installation of the Injector Fuel Supply Tube is crucial to avoid leaks and ensure the engine’s optimal performance. Regular maintenance checks should be performed to inspect for any signs of wear or damage, ensuring the tube remains in good condition and continues to provide a reliable fuel supply.

Understanding the Role of Part 3093374 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 3093374, is an integral component in the fuel delivery system of an engine. This tube facilitates the precise and efficient transfer of fuel from the fuel rail to the injectors. Its role is significant in ensuring that the fuel injectors receive a consistent and regulated supply of fuel, which is essential for optimal engine performance.

Integration with Fuel Rail

The Injector Fuel Supply Tube connects directly to the fuel rail, which is a critical component in the fuel injection system. The fuel rail distributes pressurized fuel to each injector. The tube ensures that the fuel flow is uninterrupted and that the pressure remains consistent across all injectors. This uniformity is vital for balanced fuel delivery and combustion efficiency.

Interaction with Fuel Injectors

Each fuel injector is supplied with fuel through the Injector Fuel Supply Tube. The tube’s design allows for minimal resistance, ensuring that fuel can reach the injectors quickly and under the correct pressure. This is particularly important in high-performance engines where precise fuel metering is required to achieve maximum power output and efficiency.

Contribution to Engine Performance Parts

In the context of performance parts, the Injector Fuel Supply Tube plays a supportive yet significant role. High-performance engines often require modifications to the fuel system to handle increased fuel demands. The tube must be capable of handling higher fuel pressures and flow rates without leaking or restricting flow. This ensures that performance-enhanced injectors can operate effectively, contributing to overall engine performance.

Role in Fuel System Integrity

The Injector Fuel Supply Tube also contributes to the integrity of the fuel system. It must be durable enough to withstand the high pressures and temperatures within the fuel system. Additionally, it must be resistant to fuel degradation to ensure a long service life. This reliability is essential for maintaining consistent engine performance over time.

Conclusion

In summary, the Injector Fuel Supply Tube (part 3093374) is a key component that ensures the efficient and reliable delivery of fuel from the fuel rail to the injectors. Its proper function is essential for maintaining engine performance, especially in high-performance applications where fuel delivery precision is paramount.