5256164
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube, part number 5256164, is designed to facilitate the delivery of fuel to the injectors in heavy-duty truck engines. This component plays a role in the efficient operation of the fuel system by ensuring that fuel is distributed properly to support engine performance.

Basic Concepts

Injector fuel supply tubes are fundamental components within the fuel system of diesel engines. They function by transporting fuel from the fuel rail to the injectors, where it is atomized and injected into the combustion chamber. The efficiency of this process directly influences engine performance, including power output and fuel economy ¹. Understanding the role of these tubes helps in appreciating their importance in maintaining optimal engine operation.

Purpose and Function

The Injector Fuel Supply Tube 5256164 is specifically designed to deliver fuel from the fuel rail to the injectors in a truck’s engine. This component ensures that fuel is supplied consistently and under the correct pressure, which is vital for the injectors to atomize the fuel effectively. Proper fuel distribution is important for maintaining engine efficiency and performance, as it ensures that each cylinder receives the necessary amount of fuel for combustion ².

Key Features

The Injector Fuel Supply Tube 5256164 is engineered with precision to meet the demanding requirements of heavy-duty truck engines. It is constructed from high-quality materials that offer durability and resistance to the high pressures and temperatures within the fuel system. The design of the tube includes features that enhance its performance, such as smooth internal passages to minimize fuel flow resistance and precise fittings to ensure a secure connection to the fuel rail and injectors.

Benefits

Utilizing the Injector Fuel Supply Tube 5256164 offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered efficiently to the injectors, reducing the likelihood of fuel wastage. Enhanced engine performance is another benefit, as consistent fuel delivery supports optimal combustion. Additionally, the reliability of the tube ensures that the fuel system operates smoothly, contributing to the overall reliability of the truck ³.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube 5256164 is important for its effective operation. It is important to follow manufacturer guidelines to ensure that the tube is correctly fitted and secured. Compatibility with various truck models and engine types should be verified to ensure optimal performance and integration within the fuel system.

Troubleshooting and Maintenance

Common issues with the Injector Fuel Supply Tube 5256164 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. Ensuring that connections are tight and free from debris can help maintain the tube’s performance and longevity.

Safety Considerations

When working with the Injector Fuel Supply Tube 5256164, it is important to adhere to safety procedures to prevent accidents or injuries. This includes handling the component with care, especially given the high pressures involved in the fuel system. Following manufacturer guidelines for installation and maintenance can help ensure safe operation.

Environmental Impact

The Injector Fuel Supply Tube 5256164 contributes to fuel efficiency, which in turn can lead to reduced fuel consumption and lower emissions. Cummins is committed to sustainability and eco-friendly practices, aiming to minimize the environmental impact of their products through innovation and efficient design.

About Cummins

Cummins Inc. is a global leader in the manufacturing of diesel engines and related components. With a rich history and a strong reputation for quality and innovation, Cummins is dedicated to providing reliable and efficient solutions for the transportation industry. Their commitment to customer satisfaction and continuous improvement underscores their position as a trusted manufacturer in the market.

Compatibility with Cummins Engines

The Injector Fuel Supply Tube (5256164) is designed to fit seamlessly with several Cummins engine models. Here are some of the engines where this part is applicable:

• 4B3.9: This engine model benefits from the precise fuel delivery facilitated by the 5256164 Injector Fuel Supply Tube. Ensuring that the fuel supply is uninterrupted and consistent is important for the smooth operation of the 4B3.9 engine.

• Other Cummins Engines: While the 4B3.9 is highlighted, the 5256164 Injector Fuel Supply Tube is also compatible with a range of other Cummins engines. This part is engineered to meet the specific requirements of Cummins’ fuel systems, ensuring reliability and performance across various engine types.

The design and material of the 5256164 Injector Fuel Supply Tube are optimized to withstand the high pressures and temperatures typically encountered in diesel engines. This ensures durability and longevity, reducing the need for frequent replacements and maintenance.

Understanding the Role of Part 5256164 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 5256164, is an integral component in the fuel delivery system of an engine. This tube is responsible for transporting fuel from the fuel rail to the individual fuel injectors.

Integration with Fuel Plumbing

The Injector Fuel Supply Tube is a key element in the fuel plumbing system. It connects the fuel rail, which maintains a consistent fuel pressure, to the fuel injectors. This ensures a steady and reliable supply of fuel to each injector, which is important for the precise fuel delivery required for optimal engine performance. The tube’s design allows it to withstand the high pressures and temperatures within the fuel system, ensuring durability and reliability.

Interaction with Injector Fuel Supply Tube

As the name suggests, the Injector Fuel Supply Tube directly interfaces with the fuel injectors. Each injector is supplied with fuel through these tubes, allowing for the fine-tuned control of fuel delivery. This is particularly important in modern engines that rely on precise fuel injection timing and quantity to achieve efficient combustion, reduced emissions, and improved performance. The tube’s role in this process cannot be overstated, as it ensures that each injector receives the exact amount of fuel needed at the right moment.

Ensuring System Integrity

The Injector Fuel Supply Tube also plays a part in maintaining the integrity of the fuel system. By providing a dedicated pathway for fuel, it helps prevent fuel leaks and ensures that the fuel pressure remains consistent throughout the system. This is vital for the overall efficiency and reliability of the engine. Additionally, the tube’s design often includes features such as O-rings or seals to further enhance the system’s integrity and prevent any potential fuel leaks.

Conclusion

In summary, the Injector Fuel Supply Tube (part 5256164) is a fundamental component in the fuel delivery system, ensuring that fuel is efficiently and reliably delivered to each injector. Its integration with the fuel plumbing and direct interaction with the fuel injectors underscore its importance in maintaining engine performance and efficiency.