3094880
Injector Fuel Supply Tube
Cummins®

Introduction

The Cummins Injector Fuel Supply Tube, identified by part number 3094880, is a critical component in the fuel system of heavy-duty trucks. It facilitates the delivery of fuel from the fuel tank to the injectors, ensuring a consistent and adequate supply for combustion. This part’s role is essential for maintaining engine efficiency and performance, contributing to the vehicle’s overall reliability and functionality.

Basic Concepts of Injector Fuel Supply Tubes

An Injector Fuel Supply Tube is a conduit within the fuel system that transports fuel from the fuel tank to the injectors. It ensures that fuel is delivered under the correct pressure and in the right quantity to each injector, which is vital for the engine’s performance. Consistent fuel delivery directly affects combustion efficiency and power output ¹.

Purpose and Role in Truck Operation

The Cummins Injector Fuel Supply Tube ensures efficient fuel flow to the injectors, maintaining engine efficiency by providing a stable fuel supply necessary for optimal combustion. Proper fuel flow is essential for the engine to operate smoothly and achieve desired power output and fuel economy ².

Key Features

The Cummins Injector Fuel Supply Tube is designed with robust construction to withstand high pressures and temperatures within the fuel system. It incorporates materials that resist corrosion and wear, and features that reduce the risk of fuel leaks, enhancing the overall reliability of the fuel delivery system.

Benefits

The Cummins Injector Fuel Supply Tube offers benefits such as enhanced fuel efficiency through consistent fuel delivery, durable construction for longevity, and reliable fuel delivery for smooth engine operation under various conditions.

Installation and Compatibility

Proper installation of the Cummins Injector Fuel Supply Tube is crucial for its correct function within the fuel system. Installation should follow manufacturer guidelines to prevent fuel leaks and ensure optimal performance. Compatibility with specific Cummins engine models is important, as the tube must fit and function within the specific fuel system of the engine it is intended for ³.

Maintenance and Troubleshooting

Routine maintenance of the Cummins Injector Fuel Supply Tube is important for its longevity and optimal performance. This includes regular inspections for wear, corrosion, or leaks, and cleaning or replacing the tube if necessary. Common issues may include fuel leaks, reduced fuel flow, or blockages, which can be troubleshooted by checking for proper installation, inspecting for damage or wear, and ensuring the tube is free from obstructions.

Performance Enhancements

The Cummins Injector Fuel Supply Tube contributes to engine performance by ensuring efficient fuel delivery to the injectors. This aids in fuel atomization for more efficient combustion, leading to better power output and fuel economy.

Safety Considerations

Adhering to safety protocols and manufacturer guidelines is important when handling and installing the Cummins Injector Fuel Supply Tube. This includes depressurizing the fuel system before work, using correct tools and equipment, and following proper procedures to prevent fuel leaks or other hazards.

Cummins Overview

Cummins Inc. is a global leader in engine and related technology design, manufacture, and distribution. Known for innovation and high-quality components, Cummins is dedicated to advancing the automotive industry through reliable and efficient engine technologies. The company’s commitment to quality and performance is evident in its wide range of automotive components, including the Cummins Injector Fuel Supply Tube.

Compatibility

The Cummins Injector Fuel Supply Tube part number 3094880 is designed for seamless integration with various Cummins engines, ensuring optimal fuel delivery and performance. It is integral to the engine’s fuel system, providing a reliable conduit for fuel from the supply line to the injectors.

QST30 CM552 Engines

The Injector Fuel Supply Tube 3094880 is engineered for the QST30 CM552 engines, known for their robust design and efficiency. The part’s precise fit ensures uninterrupted fuel supply, contributing to engine performance and longevity.

Grouped Engine Compatibility

For engines within the same family or series, the Injector Fuel Supply Tube 3094880 maintains compatibility across various models. This ensures users can replace or upgrade their fuel supply tubes without compatibility issues, adhering to Cummins’ quality standards.

Role in Engine Systems

The Injector Fuel Supply Tube, part number 3094880, is essential in the fuel delivery system, transporting fuel from the fuel rail to the injectors for a consistent and reliable fuel supply.

Integration with Fuel Injectors

The tube connects directly to the fuel injectors, ensuring they receive a steady flow of fuel under pressure, vital for maintaining engine performance and efficiency.

Interaction with the Fuel Rail

The fuel rail distributes fuel to each injector, and the Injector Fuel Supply Tube maintains the integrity of the pressurized fuel system, ensuring each injector receives an equal amount of fuel.

Relationship with the Camshaft and Gear

While the camshaft and gear control valve timing, the fuel system’s efficient operation directly influences engine performance. A well-maintained fuel supply, facilitated by the Injector Fuel Supply Tube, ensures an optimal fuel-air mixture, allowing the engine to perform at its best.

Contribution to Performance Parts

In high-performance engines, the Injector Fuel Supply Tube may be upgraded to handle increased fuel flow rates. It plays a role in modifications to the fuel system to meet enhanced power output demands.

Coordination with Vent Tube

The vent tube releases excess pressure or vacuum within the fuel system. The Injector Fuel Supply Tube works with the vent tube to maintain balanced pressure within the fuel rail and injectors, preventing fuel leaks and ensuring safe operation.

Conclusion

The Cummins Injector Fuel Supply Tube (part 3094880) is a pivotal component that ensures the fuel system’s efficiency and reliability. Its role in connecting the fuel rail to the injectors, interacting with performance parts, and coordinating with other system components like the vent tube and camshaft and gear, underscores its importance in the overall function of the engine.