5306258
Injector Fuel Supply Tube
Cummins®

The Fuel Injector Supply Tube (5306258) by Cummins is a component designed to facilitate the efficient delivery of fuel to the injectors in heavy-duty trucks. This part is integral to the operation of the fuel system, ensuring that fuel is supplied at the correct pressure and volume to support optimal engine performance ¹.

Basic Concepts of Fuel Injector Supply Tubes

Fuel injector supply tubes serve a fundamental role in the fuel delivery system of diesel engines. They are responsible for transporting fuel from the fuel rail to the individual injectors. Maintaining proper fuel pressure within the supply tube is crucial for ensuring that the injectors receive a consistent and adequate fuel supply, which is necessary for precise fuel metering and combustion ².

Purpose and Function

The 5306258 Fuel Injector Supply Tube is specifically engineered to connect the fuel rail to the injectors in Cummins engines. Its purpose is to provide a secure and leak-free pathway for fuel delivery. By ensuring a steady flow of fuel under the correct pressure, this component contributes to the engine’s overall efficiency, power output, and emissions performance ³.

Key Features

The 5306258 Fuel Injector Supply Tube is constructed from high-quality materials that offer durability and resistance to the harsh conditions within a diesel engine. Its design includes precise fittings and connections that ensure a tight seal, preventing fuel leaks. Additionally, the tube is engineered to withstand high pressure and temperature fluctuations, which are common in heavy-duty applications ⁴.

Benefits

Utilizing the 5306258 Fuel Injector Supply Tube offers several advantages. It enhances fuel delivery efficiency by providing a reliable conduit for fuel to reach the injectors. This results in improved engine performance, as the injectors can operate with optimal fuel supply. Furthermore, the robust construction of the tube contributes to increased reliability and longevity of the fuel system components.

Installation and Compatibility

Proper installation of the 5306258 Fuel Injector Supply Tube involves following manufacturer guidelines to ensure a secure and leak-free connection. It is compatible with a range of Cummins engine models, designed to fit seamlessly within the existing fuel system architecture. Careful attention to torque specifications and seal integrity during installation is recommended to maintain system performance.

Maintenance and Troubleshooting

Routine maintenance of the 5306258 Fuel Injector Supply Tube includes periodic inspection for signs of wear, corrosion, or leaks. Cleaning the connections and ensuring that all fittings are tight can help prevent issues. Should problems arise, such as fuel leaks or inconsistent engine performance, inspecting the supply tube for damage or blockages is a recommended first step in troubleshooting.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry for quality and innovation, Cummins is committed to providing reliable and high-performance components for a wide range of applications, including heavy-duty trucks. The company’s dedication to excellence is reflected in its product offerings, which are designed to meet the demanding requirements of modern diesel engines.

Cummins Fuel Injector Supply Tube (Part 5306258) Compatibility

The Cummins Fuel Injector Supply Tube, part number 5306258, is a critical component in the fuel delivery system of various Cummins engines. This part is designed to ensure a consistent and reliable fuel supply to the injectors, which is essential for optimal engine performance and efficiency.

QSB6.7 CM2350 B105

The QSB6.7 CM2350 B105 engine is one of the models that benefit from the use of the 5306258 Fuel Injector Supply Tube. This engine is known for its robust construction and high power output, making it suitable for heavy-duty applications. The supply tube in this engine ensures that the fuel injectors receive the correct amount of fuel under varying operating conditions, contributing to the engine’s overall reliability and performance.

Grouping of Engines

While the QSB6.7 CM2350 B105 is a specific example, the 5306258 Fuel Injector Supply Tube is compatible with a range of Cummins engines. This part is engineered to fit seamlessly into the fuel systems of these engines, ensuring that the fuel delivery is precise and uninterrupted. The compatibility of this supply tube with multiple engine models underscores its versatility and importance in maintaining the integrity of the fuel system.

By using the 5306258 Fuel Injector Supply Tube, engine operators can expect enhanced fuel efficiency, reduced emissions, and improved engine longevity. This part is a testament to Cummins’ commitment to providing high-quality components that meet the demands of modern engines.

Role of Part 5306258 Fuel Injector Supply Tube in Engine Systems

The Part 5306258 Fuel Injector Supply Tube is an essential component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel rail to the individual fuel injectors. This tube ensures a consistent and regulated flow of fuel, which is vital for the precise operation of the fuel injectors.

In the context of the fuel system, the supply tube interfaces directly with the fuel rail, which acts as a distribution manifold for the fuel injectors. The fuel rail maintains a steady pressure of fuel, and the supply tube extends from the rail to each injector, providing a dedicated pathway for fuel delivery.

The fuel injectors, upon receiving an electrical signal from the engine control unit (ECU), open to spray atomized fuel into the combustion chamber. The supply tube must be securely connected to both the fuel rail and the injectors to prevent any fuel leaks and to maintain the integrity of the fuel pressure system.

Additionally, the supply tube works in conjunction with the return line, which carries excess fuel back to the fuel tank. This return line helps in regulating the fuel pressure within the system, ensuring that the injectors operate within their specified parameters.

The plumbing within the fuel system, including hoses, fittings, and connectors, must be compatible with the supply tube to ensure a leak-free and efficient fuel delivery. Proper sealing and connection techniques are employed to maintain the system’s reliability and performance.

Conclusion

In summary, the Part 5306258 Fuel Injector Supply Tube plays a significant role in the fuel delivery process by providing a dedicated pathway for fuel from the fuel rail to the injectors, ensuring that the engine receives the precise amount of fuel required for optimal performance.