3694745
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3694745 Fuel Supply Tube is a critical component in the fuel systems of commercial trucks. It facilitates the transport of fuel from the tank to the engine, ensuring a consistent and reliable fuel supply essential for vehicle operation. This part is vital for maintaining the efficiency and performance of the truck’s engine.

Purpose and Function

The Cummins 3694745 operates within the fuel delivery system to transport fuel efficiently. It connects the fuel tank to the engine, allowing for a steady flow of fuel necessary for combustion. This consistent fuel supply ensures that the fuel injectors receive the necessary amount of fuel at the right pressure and timing, which is crucial for engine performance ¹.

Key Features

This Cummins part is constructed from high-quality materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance performance, such as a smooth interior to reduce flow resistance and external reinforcements to withstand the pressures within the fuel system. These attributes contribute to the tube’s reliability and longevity ².

Benefits

Utilizing the Cummins 3694745 offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and unimpeded flow of fuel to the engine. The tube’s robust construction and design features also enhance the reliability and longevity of the fuel system, reducing the likelihood of leaks or failures that could disrupt engine performance ³.

Installation Process

Installing the Fuel Supply Tube requires careful attention to detail to ensure optimal performance. The process involves disconnecting the old tube, preparing the fuel system for the new installation, and aligning the tube correctly with the fuel tank and engine connections. Proper tools and preparation are necessary to complete the installation successfully.

Maintenance and Troubleshooting

Regular maintenance of the Fuel Supply Tube is important to prevent issues and ensure continued reliable operation. This includes checking for signs of wear or damage, ensuring connections are secure, and addressing any leaks promptly. Common problems may include blockages or cracks in the tube, which can be diagnosed through visual inspection and pressure testing.

Compatibility and Usage

The Fuel Supply Tube is designed for specific types of commercial trucks and engine models. It is important to consult the manufacturer’s guidelines for compatibility to ensure the tube is suitable for the intended application. Specific usage recommendations may include operating within certain temperature ranges or following particular maintenance schedules.

Safety Considerations

When working with the Fuel Supply Tube, it is important to observe safety practices to protect against the hazards associated with fuel systems. This includes handling fuel with care to avoid spills and ensuring that the fuel system is properly vented to prevent the buildup of dangerous fumes. Additionally, maintaining the integrity of the fuel system is crucial to prevent leaks that could pose a fire hazard.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a reputation for producing reliable and efficient components for the commercial truck industry. The company’s extensive product range and focus on customer satisfaction underscore its position as a leader in the field.

Cummins Fuel Supply Tube 3694745 Compatibility

The Cummins Fuel Supply Tube 3694745 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal fuel delivery and engine performance. This part is specifically engineered to meet the needs of the following engines:

X12 CM2350

The X12 CM2350 engine benefits from the precise engineering of the Fuel Supply Tube 3694745. This component ensures that fuel is delivered efficiently to the engine, maintaining consistent power output and reliability.

X119B

Similarly, the X119B engine is optimized with the use of the Fuel Supply Tube 3694745. This part is crucial for maintaining the integrity of the fuel system, preventing leaks, and ensuring that the engine operates smoothly.

Grouping of Engines

The Fuel Supply Tube 3694745 is compatible with both the X12 CM2350 and X119B engines, making it a versatile choice for maintaining and repairing these engines. Its design ensures that it fits perfectly with the specified engines, providing a reliable solution for fuel supply needs.

Role of Part 3694745 Fuel Supply Tube in Engine Systems

The Fuel Supply Tube (part 3694745) is integral to the efficient operation of various engine systems. It serves as a vital conduit within the fuel system, ensuring a steady and reliable flow of fuel from the fuel tank to the fuel transfer pump.

This component is positioned between the fuel tank and the fuel transfer pump, where it facilitates the initial movement of fuel. The Fuel Supply Tube allows the fuel transfer pump to draw fuel effectively, which is then pressurized and delivered to the engine’s injectors.

Additionally, the Fuel Supply Tube interacts with the primer system. During the priming process, it ensures that fuel is adequately circulated to purge air from the fuel lines, which is essential for maintaining consistent fuel delivery to the engine.

Overall, the Fuel Supply Tube plays a significant role in maintaining the integrity and performance of the fuel system by ensuring uninterrupted fuel flow, which is fundamental for engine operation.

Conclusion

The Cummins 3694745 Fuel Supply Tube is a vital component in the fuel systems of commercial trucks, ensuring efficient and reliable fuel delivery to the engine. Its high-quality construction, compatibility with specific engine models, and role in maintaining engine performance make it an essential part for truck maintenance and repair.