3393474
Injector Fuel Supply Tube
Cummins®

Introduction

The Fuel Injector Supply Tube 3393474, a component designed by Cummins for use in heavy-duty trucks, is integral to the fuel system. This part facilitates the delivery of fuel from the fuel tank to the injectors, ensuring that the engine receives a consistent and adequate supply of fuel, which is vital for optimal engine operation and performance ¹.

Basic Concepts

Fuel injector supply tubes are components within the fuel system that connect the fuel tank to the fuel injectors. They are responsible for transporting fuel under pressure to the injectors, which then atomize the fuel into the combustion chamber. The efficiency of this process directly influences engine performance, including power output, fuel efficiency, and emissions ².

Purpose and Function

The Fuel Injector Supply Tube 3393474 plays a role in the fuel delivery system by providing a conduit for fuel to travel from the fuel tank to the injectors. It is designed to maintain consistent fuel pressure, which is crucial for the injectors to operate correctly. This tube ensures that fuel is delivered efficiently and under the right conditions to support combustion and engine performance ³.

Key Features

This Cummins part is constructed from materials that offer durability and resistance to the high pressures and temperatures within the fuel system. Its design includes features that enhance its performance, such as precise engineering to ensure a secure fit and optimal fuel flow. The material composition and design elements contribute to its longevity and reliability in demanding operating conditions.

Benefits

The use of the Fuel Injector Supply Tube 3393474 in heavy-duty trucks offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered under optimal conditions. This part also enhances engine performance by supporting consistent fuel pressure and flow. Additionally, its robust construction and design provide reliability, even under the strenuous conditions typical of heavy-duty truck operations.

Installation and Compatibility

Proper installation of the Fuel Injector Supply Tube 3393474 is important for ensuring its effectiveness and the overall performance of the fuel system. It is designed to be compatible with specific Cummins engines, and adherence to manufacturer guidelines during installation is recommended to ensure compatibility and optimal function.

Maintenance and Troubleshooting

Routine maintenance of the Fuel Injector Supply Tube 3393474 involves checking for signs of wear or damage that could affect its performance. Regular inspections can help identify issues early, allowing for timely repairs or replacements. Troubleshooting common issues may involve checking for leaks, ensuring proper connections, and verifying that the tube is free from obstructions.

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, Cummins is committed to innovation and quality, providing solutions that meet the demanding requirements of various applications, including heavy-duty trucks. The company’s dedication to manufacturing high-quality components is evident in its product lineup, which includes the Fuel Injector Supply Tube 3393474.

Cummins Fuel Injector Supply Tube (Part 3393474) Compatibility

The Cummins Fuel Injector Supply Tube, identified by part number 3393474, is a critical component in the fuel delivery system of various Cummins engines. This part ensures that fuel is efficiently and accurately delivered to the fuel injectors, which is essential for optimal engine performance and efficiency.

Engine Compatibility

• 6B5.9 Series Engines

  • The 3393474 Fuel Injector Supply Tube is specifically designed to fit seamlessly within the 6B5.9 series engines. This series includes a range of engines that are known for their robust performance and reliability in various applications, from industrial to agricultural uses.

• Other Cummins Engines

  • While the primary focus is on the 6B5.9 series, the 3393474 part number may also be compatible with other Cummins engine models. It is essential to verify compatibility with the specific engine model to ensure proper fitment and function.

Installation and Function

The installation of the 3393474 Fuel Injector Supply Tube is straightforward, requiring careful alignment and secure attachment to the fuel injectors and fuel rail. This part plays a crucial role in maintaining the integrity of the fuel delivery system, ensuring that fuel is delivered at the correct pressure and flow rate to the injectors. Proper installation and maintenance of this component are vital for preventing fuel leaks and ensuring consistent engine performance.

Role of Part 3393474 Fuel Injector Supply Tube in Engine Systems

The Fuel Injector Supply Tube (part 3393474) 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 part ensures a consistent and regulated flow of fuel, which is vital for the precise operation of the fuel injectors.

In the context of fuel plumbing, the Fuel Injector Supply Tube connects to the fuel rail, which is a pressurized conduit that distributes fuel to each injector. The tube’s design allows it to withstand the high pressures typical in modern fuel systems, ensuring that fuel is delivered efficiently without leaks.

When considering the Injector Fuel Supply Tube, it is important to note that this component interfaces directly with the fuel injectors. Each injector is responsible for atomizing fuel into the combustion chamber at the precise moment required for optimal engine performance. The Fuel Injector Supply Tube must maintain a consistent fuel pressure and flow rate to ensure that each injector operates within its specified parameters.

The integration of the Fuel Injector Supply Tube within the fuel system enhances the overall efficiency and reliability of fuel delivery. It plays a significant role in maintaining the correct fuel-to-air ratio, which is essential for combustion efficiency, power output, and emissions control.

Conclusion

The Fuel Injector Supply Tube 3393474 by Cummins is a vital component in the fuel delivery system of heavy-duty trucks. Its role in ensuring consistent fuel pressure and flow is crucial for optimal engine performance. With its durable construction and precise engineering, this part contributes to improved fuel efficiency, enhanced engine performance, and reliable operation under demanding conditions. Proper installation, maintenance, and understanding of its function are essential for maximizing the benefits of this component in heavy-duty applications.