3094882
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube, identified by part number 3094882, is a vital component in the fuel delivery system of heavy-duty truck engines. This tube facilitates the transfer of fuel from the fuel rail to the injectors, ensuring that the engine receives a consistent and precise fuel supply. Its role is integral to the efficient operation of the engine, contributing to overall performance and reliability.

Purpose and Function

The Cummins Injector Fuel Supply Tube serves to deliver fuel from the fuel rail to the injectors within the engine. This component ensures that fuel is supplied at the correct pressure and volume, which is critical for the injectors to atomize the fuel properly. Proper atomization enhances combustion efficiency, which in turn supports optimal engine performance. The tube acts as a conduit, maintaining the integrity of the fuel as it travels from the rail to the injectors ¹.

Key Features

The Cummins Injector Fuel Supply Tube is designed with several key features that enhance its performance and durability. Constructed from high-quality materials, the tube is resistant to corrosion and wear, ensuring longevity in demanding operating conditions. Its design includes precise fittings and connections that ensure a secure and leak-free seal, which is vital for maintaining fuel pressure and preventing fuel leaks. Additionally, the tube is engineered to withstand high pressures and temperatures, which are common in heavy-duty diesel engines ².

Benefits

The Cummins Injector Fuel Supply Tube offers several benefits that contribute to the overall efficiency and reliability of the engine. By ensuring a consistent and precise fuel delivery, the tube helps improve fuel efficiency, allowing the engine to operate more economically. Enhanced engine performance is another benefit, as the consistent fuel supply supports better combustion and power output. Furthermore, the tube’s robust construction and design contribute to its reliability, even under strenuous conditions, which is crucial for the durability and longevity of the engine.

Installation and Compatibility

Proper installation of the Cummins Injector Fuel Supply Tube is critical to ensure it functions correctly within the fuel system. Installation procedures should follow manufacturer guidelines to ensure all connections are secure and leak-free. Compatibility with various Cummins engine models is an important consideration, as the tube must fit precisely within the fuel system to maintain optimal performance. Ensuring the correct part number and specifications are used will help avoid compatibility issues.

Maintenance and Troubleshooting

Routine maintenance of the Cummins Injector Fuel Supply Tube is important to ensure its continued performance and reliability. Regular inspections for signs of wear, corrosion, or leaks are recommended. Cleaning the tube and its connections can prevent buildup that might affect fuel flow. Common issues that may arise include fuel leaks, which can often be traced to loose or damaged connections, and reduced fuel pressure, which might indicate a blockage or wear within the tube. Troubleshooting these issues typically involves inspecting the tube and connections, and replacing any damaged components as necessary.

Safety Considerations

When working with the Cummins Injector Fuel Supply Tube, it is important to follow safety precautions to ensure personal safety and prevent damage to the component. Proper handling involves using the correct tools and techniques to avoid damaging the tube or its connections. Storage of the tube should be in a cool, dry place to prevent corrosion. Disposal procedures should comply with local regulations for hazardous materials, as the tube may contain residual fuel.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history dating back to 1919, Cummins has established a reputation for innovation, quality, and reliability in the commercial vehicle industry. The company’s commitment to excellence is reflected in its extensive range of engine and component offerings, which are designed to meet the demanding requirements of heavy-duty applications.

Cummins Injector Fuel Supply Tube (Part 3094882) Compatibility

The Cummins Injector Fuel Supply Tube, identified by the part number 3094882, 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 system to the injectors, which is essential for optimal engine performance.

QST30 CM552 Engines

The Injector Fuel Supply Tube is specifically designed to fit the QST30 CM552 engines. This engine is known for its robust construction and high performance, making it suitable for heavy-duty applications. The 3094882 part is engineered to withstand the demanding conditions of these engines, ensuring durability and longevity.

Grouping of Compatible Engines

While the primary focus here is on the QST30 CM552 engines, it is important to note that the 3094882 Injector Fuel Supply Tube is also compatible with other Cummins engines within the same family. These engines share similar design and operational characteristics, making the injector fuel supply tube a versatile component across multiple models.

The compatibility of the 3094882 part with these engines ensures that users can maintain their fuel delivery systems with confidence, knowing that the part is designed to meet the specific needs of these engines.

Role of Part 3094882 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 3094882, is an essential component in the fuel delivery system of an engine. Its primary function is to transport fuel from the fuel rail to the injectors, ensuring a consistent and reliable fuel supply for combustion.

Integration with Key Engine Components

1. Fuel Rail and Injectors: The Injector Fuel Supply Tube connects directly to the fuel rail, which is a pressurized conduit that distributes fuel to each injector. This tube ensures that fuel is delivered under the correct pressure and volume to each injector, which in turn atomizes the fuel into the combustion chamber.

2. Camshaft and Gear: Although the camshaft and gear are primarily responsible for the timing of the valve operation, the efficient functioning of the injectors, supported by the fuel supply tube, is vital for optimal engine performance. Proper fuel delivery ensures that the air-fuel mixture is combusted at the precise moment dictated by the camshaft timing, enhancing engine efficiency and power output.

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. The Injector Fuel Supply Tube works in conjunction with the vent tube to ensure that the fuel system remains pressurized without excessive build-up of air, which could lead to inconsistent fuel delivery.

4. Performance Parts: In high-performance engine setups, the Injector Fuel Supply Tube is often upgraded to handle increased fuel flow rates. This ensures that the enhanced injectors and other performance parts receive the necessary fuel supply to meet the demands of the engine, thereby supporting higher power outputs and improved throttle response.

5. Overall Engine Performance: The consistent and reliable delivery of fuel by the Injector Fuel Supply Tube is fundamental to the overall performance of the engine. It ensures that all components within the fuel system operate harmoniously, contributing to smooth engine operation, reduced emissions, and enhanced fuel efficiency.

Conclusion

The Cummins Injector Fuel Supply Tube (part number 3094882) plays a crucial role in the fuel delivery system of heavy-duty engines. Its design and features ensure consistent and precise fuel delivery, contributing to enhanced engine performance, fuel efficiency, and reliability. Proper installation, maintenance, and adherence to safety considerations are essential to maximize the benefits of this Cummins part.