5267647
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube (Part #5267647) is a component designed for use in the fuel systems of heavy-duty trucks. Its purpose is to facilitate the delivery of fuel from the fuel rail to the injectors, ensuring that the fuel is supplied in the precise quantities needed for efficient combustion. This component is integral to maintaining the performance and reliability of the engine’s fuel system ¹.

Purpose and Function

The Injector Fuel Supply Tube plays a role in the fuel system by providing a conduit for fuel to travel from the fuel rail to the injectors. This ensures that each injector receives the correct amount of fuel at the right pressure, which is vital for consistent and efficient combustion. The tube’s design allows for the maintenance of fuel pressure and the prevention of leaks, which are critical for the engine’s operation ².

Key Features

The Cummins Injector Fuel Supply Tube is constructed from materials that offer durability and resistance to the high pressures and temperatures found within a diesel engine’s fuel system. The tube features secure connection types that ensure a tight seal, minimizing the risk of fuel leaks. Its design includes elements that enhance performance, such as smooth internal passages that reduce fuel turbulence and ensure a steady flow of fuel to the injectors ³.

Benefits

The use of the Cummins Injector Fuel Supply Tube can lead to improved fuel efficiency, as it ensures that fuel is delivered to the injectors with precision. This can result in enhanced engine performance, as the injectors are able to operate optimally. The tube’s robust construction and design contribute to its reliability, allowing it to perform well under various operating conditions.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube involves following manufacturer guidelines to ensure a secure fit. This may require specific tools to achieve the correct torque settings for the connections. It is important to refer to the manufacturer’s instructions for the precise steps and any special considerations. The tube is designed to be compatible with certain engine models and fuel systems, ensuring that it integrates seamlessly into the existing setup.

Maintenance and Troubleshooting

Regular maintenance of the Injector Fuel Supply Tube is important to ensure its longevity and optimal performance. This includes checking for signs of wear or damage, ensuring connections are tight, and verifying that there are no fuel leaks. Common issues may include blockages or leaks, which can be diagnosed through visual inspection and pressure testing. Troubleshooting steps may involve cleaning or replacing the tube if necessary.

Safety Considerations

When working with the fuel system and the Injector Fuel Supply Tube, it is important to observe safety precautions. This includes handling fuel with care to avoid spills and ensuring that the system is depressurized before any work is performed. It is also crucial to avoid leaks by ensuring all connections are secure and to maintain proper system pressure to prevent fuel system damage.

Cummins Overview

Cummins Inc. is a company with a long-standing reputation in the automotive and heavy-duty truck industry. Founded with a commitment to innovation and quality, Cummins has developed a wide range of products that are known for their reliability and performance. The company’s focus on advancing technology and meeting the needs of its customers has established it as a leader in the manufacturing of automotive components.

Cummins Injector Fuel Supply Tube (Part 5267647) Compatibility

The Cummins Injector Fuel Supply Tube, part number 5267647, is a critical component in the fuel delivery system of several engine models. This part is designed to ensure the efficient and reliable transfer of fuel from the fuel pump to the injectors, which is essential for maintaining optimal engine performance.

Compatibility with Specific Engine Models

6C8.3 Engines

The 6C8.3 engine series benefits from the precise engineering of the injector fuel supply tube. This part is integral to the fuel system, ensuring that the injectors receive the correct amount of fuel under varying operating conditions. The 6C8.3 engines, known for their robust design and reliability, are often used in heavy-duty applications where consistent performance is critical.

L9.3 and L105 Engines

Similarly, the L9.3 and L105 engines also utilize the injector fuel supply tube part 5267647. These engines are part of the larger L-series family, which is renowned for its durability and efficiency. The fuel supply tube in these engines plays a pivotal role in maintaining the delicate balance of fuel delivery, which is crucial for both performance and longevity.

Grouping for Enhanced Understanding

When considering the compatibility of the injector fuel supply tube with the 6C8.3, L9.3, and L105 engines, it is important to note that these engines share a common design philosophy in their fuel systems. The use of part 5267647 across these models underscores the importance of standardized components in ensuring seamless integration and performance. This standardization allows for easier maintenance and repair, as technicians can use the same part across multiple engine types, reducing inventory complexity and ensuring quick availability of necessary components.

Role of Part 5267647 Injector Fuel Supply Tube in Engine Systems

The Injector Fuel Supply Tube, identified by part number 5267647, is an essential component in the fuel delivery system of various engine configurations. This tube facilitates the transfer of fuel from the fuel rail to the individual fuel injectors.

In conjunction with the injector plumbing, the Injector Fuel Supply Tube ensures a consistent and regulated flow of fuel. The injector plumbing consists of various hoses, fittings, and connectors that link the fuel supply system to the injectors. The Injector Fuel Supply Tube plays a significant role in this network by providing a direct pathway for fuel to travel from the fuel rail to the injectors.

The fuel rail, a pressurized manifold, distributes fuel to each injector. The Injector Fuel Supply Tube connects to the fuel rail at one end and to the injector at the other, creating a sealed pathway. This design minimizes fuel leakage and ensures that the fuel reaches the injectors under the correct pressure and volume.

The injectors, precision-engineered components, spray fuel into the combustion chamber in a finely atomized state. The Injector Fuel Supply Tube’s role is to deliver fuel to the injectors in a manner that supports their operation. The tube must be capable of withstanding the high pressures and temperatures within the fuel system while maintaining structural integrity and sealing effectiveness.

Conclusion

In summary, the Injector Fuel Supply Tube (part 5267647) is a vital link in the fuel delivery chain, working in tandem with the injector plumbing and fuel rail to ensure efficient and reliable fuel delivery to the injectors. This component’s design and material properties are tailored to meet the demanding conditions of modern engine systems, contributing to overall engine performance and fuel efficiency.