3356191
Injector Fuel Supply Tube
Cummins®

The Cummins Injector Fuel Supply Tube, identified by part number 3356191, is a critical component in the fuel delivery system of heavy-duty trucks. This part ensures efficient and reliable fuel delivery to the engine, playing a vital role in the overall performance of the vehicle.

Basic Concepts

Fuel injection systems in diesel engines operate on the principle of delivering precise amounts of fuel into the combustion chamber at high pressure. The Injector Fuel Supply Tube connects the fuel rail to the injector, facilitating the transfer of fuel. Its design and construction are essential for maintaining the integrity of the fuel delivery process, ensuring that fuel is delivered consistently and under the correct pressure ¹.

Purpose and Function

The Injector Fuel Supply Tube serves the purpose of delivering fuel from the fuel rail to the injector in a heavy-duty truck. This component ensures that the injector receives a steady and pressurized supply of fuel, which is necessary for the engine’s combustion process. By maintaining a consistent fuel flow, the tube contributes to the engine’s overall performance and efficiency ².

Key Features

The Cummins Injector Fuel Supply Tube is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to corrosion and wear, ensuring longevity in demanding operating conditions. The design of the tube includes precise fittings and connections that ensure a secure and leak-free attachment to both the fuel rail and the injector. Additionally, the tube is engineered to withstand high fuel pressures, which is vital for the efficient operation of modern diesel engines ³.

Benefits

Utilizing the Cummins Injector Fuel Supply Tube offers several benefits. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the injector without loss or leakage. This precise fuel delivery enhances engine performance, allowing for more powerful and responsive operation. Furthermore, the robust construction and reliable design of the tube increase the overall reliability of the fuel system, reducing the likelihood of failures or maintenance issues.

Installation and Compatibility

Proper installation of the Injector Fuel Supply Tube is vital for ensuring its effective operation and the overall efficiency of the fuel system. Installation procedures should follow manufacturer guidelines to ensure secure and correct fitting. Compatibility with Cummins engines is a key consideration, as the tube is designed to meet the specific requirements of these engines, ensuring optimal performance and reliability.

Maintenance and Troubleshooting

Routine maintenance of the Injector Fuel Supply Tube involves regular inspection for signs of wear, corrosion, or leaks. Ensuring that connections are tight and free from debris is also important for maintaining the integrity of the fuel system. Troubleshooting common issues such as leaks or blockages may involve checking for damaged fittings, ensuring proper installation, and verifying that the tube is compatible with the engine’s fuel system components.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive industry. The company’s product offerings include a wide range of engines and components for on-highway, off-highway, and stationary applications, catering to diverse customer needs across the globe.

Cummins Injector Fuel Supply Tube (Part 3356191) Compatibility

The Cummins Injector Fuel Supply Tube, identified by part number 3356191, 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 pump to the injectors, maintaining optimal engine performance.

Engine Compatibility

• 6C8.3 Engines
  • The 6C8.3 engine series is known for its robust design and is commonly used in heavy-duty applications. The injector fuel supply tube for this engine is engineered to withstand high pressures and temperatures, ensuring durability and longevity.
  • This part is essential for maintaining the integrity of the fuel delivery system, preventing leaks, and ensuring consistent fuel flow to the injectors.

Grouping of Engines

• Heavy-Duty Applications
  • The 6C8.3 engine falls within the category of heavy-duty engines, which are designed to handle demanding tasks and environments. The injector fuel supply tube for these engines is specifically designed to meet the rigorous demands of such applications.
  • Ensuring that the fuel supply tube is correctly installed and functioning is crucial for the overall efficiency and reliability of the engine.

By understanding the compatibility and importance of the Cummins Injector Fuel Supply Tube (part 3356191) in the 6C8.3 engine series, users can better appreciate the role this component plays in maintaining engine performance and longevity.

Role of Part 3356191 Injector Fuel Supply Tube in Engine Systems

The injector fuel supply tube, specifically part 3356191, is an integral component in the fuel delivery system of an engine. Its primary function is to transport fuel from the fuel rail to the fuel injectors. This ensures a consistent and regulated supply of fuel, which is essential for the efficient operation of the engine.

Integration with Fuel Rail

The fuel rail is a critical component that distributes fuel to each injector. The injector fuel supply tube connects directly to the fuel rail, forming a sealed pathway that allows fuel to flow under pressure. This connection is designed to withstand the high pressures and temperatures within the fuel system, ensuring reliable performance.

Interaction with Fuel Injectors

Fuel injectors are responsible for spraying atomized fuel into the combustion chamber. The injector fuel supply tube delivers fuel to these injectors, ensuring they receive a steady and pressurized supply. This consistent fuel delivery is vital for maintaining the precise air-fuel ratio required for optimal combustion.

Role in Fuel Plumbing

The injector fuel supply tube is a key element in the overall fuel plumbing system. It works in conjunction with other components such as fuel lines, filters, and regulators to ensure the fuel reaches the injectors without contamination or pressure fluctuations. Proper installation and maintenance of this tube are essential for the integrity of the fuel system.

Ensuring Fuel System Efficiency

By providing a direct and efficient route for fuel from the rail to the injectors, part 3356191 plays a significant role in the overall efficiency of the fuel system. Its design and material are chosen to minimize fuel leakage and maximize flow, contributing to the engine’s performance and fuel economy.

Conclusion

In summary, the Cummins Injector Fuel Supply Tube (part 3356191) is a vital link in the fuel delivery chain, ensuring that fuel is delivered efficiently and reliably to the injectors, which in turn supports the engine’s combustion process. Its robust construction, precise design, and compatibility with Cummins engines make it an essential component for maintaining engine performance and longevity.