3935099
Fuel Drain Tube
Cummins®

The Cummins 3935099 Fuel Drain Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its primary role is to facilitate the draining of fuel from the tank, ensuring that the fuel system operates efficiently and that the quality of the fuel is maintained. This Cummins part is integral to the overall performance and reliability of the truck’s fuel system.

Purpose and Function

The Cummins 3935099 Fuel Drain Tube serves a specific function within the fuel system by allowing for the controlled drainage of fuel from the tank. This process is important for several reasons. Firstly, it enables the removal of any water or contaminants that may have accumulated in the fuel, thereby helping to maintain the quality of the fuel that is delivered to the engine ¹. Secondly, it allows for the periodic inspection and cleaning of the fuel tank, which can help to prevent issues such as corrosion or the buildup of sediment. By ensuring that the fuel remains clean and free from contaminants, the Fuel Drain Tube plays a role in supporting the efficient operation of the engine ².

Key Features

The Cummins 3935099 Fuel Drain Tube is characterized by several key features that enhance its performance and durability. These include a robust construction that is designed to withstand the pressures and conditions within the fuel system, as well as precise engineering that ensures a secure and leak-free connection. Additionally, the tube is compatible with specific Cummins engines, ensuring that it meets the stringent requirements for performance and reliability in these applications.

Benefits

Utilizing the Cummins 3935099 Fuel Drain Tube offers several advantages. It contributes to improved fuel system efficiency by facilitating the removal of contaminants and water from the fuel. This, in turn, helps to reduce the risk of fuel contamination, which can lead to engine performance issues ³. Furthermore, by maintaining the quality of the fuel, the tube plays a role in enhancing the overall performance and reliability of the truck.

Installation and Maintenance

Proper installation of the Cummins 3935099 Fuel Drain Tube is important to ensure its effective operation. This process involves using the appropriate tools and following a series of steps to secure the tube in place and ensure a leak-free connection. Regular maintenance, such as checking for signs of wear or damage and ensuring that the connection remains secure, is also important to prolong the lifespan and effectiveness of the part.

Troubleshooting Common Issues

Common problems associated with Fuel Drain Tubes can include leaks or blockages. Identifying these issues early and taking appropriate action can help to prevent more serious problems from developing. Troubleshooting steps may involve checking the connection for leaks, ensuring that the tube is not obstructed, and replacing the tube if it is found to be damaged or worn.

Safety Considerations

When working with the Cummins 3935099 Fuel Drain Tube, it is important to follow safety practices to protect both the individual and the equipment. This includes handling fuel with care to avoid spills or exposure, and adhering to manufacturer guidelines for installation and maintenance. Proper safety practices help to ensure that the Fuel Drain Tube operates effectively and safely within the fuel system.

Cummins Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation in engine and component manufacturing. With a history of developing reliable and high-performance engines and parts, Cummins has built a reputation for excellence in the industry. The company’s focus on quality and innovation is reflected in its products, including the Cummins 3935099 Fuel Drain Tube, which is designed to meet the demanding requirements of heavy-duty truck applications.

Cummins Fuel Drain Tube 3935099 Compatibility

The Cummins Fuel Drain Tube, part number 3935099, is a critical component designed to facilitate the removal of water and sediment from the fuel system. This part is engineered to fit seamlessly with several Cummins engine models, ensuring optimal performance and reliability.

Engine Compatibility

• 6B5.9 Series

  • The 3935099 Fuel Drain Tube is specifically designed to integrate with the 6B5.9 engine series. This engine is known for its robust construction and is widely used in various industrial applications. The fuel drain tube ensures that contaminants are effectively removed, preventing potential damage to the engine’s fuel system.

• Other Cummins Engines

  • While the primary focus is on the 6B5.9 series, the 3935099 Fuel Drain Tube is also compatible with other Cummins engines. This compatibility extends to a range of models where similar fuel system designs are utilized. Ensuring that the fuel remains clean and free from contaminants is vital for maintaining engine efficiency and longevity.

Installation and Functionality

The installation of the Cummins Fuel Drain Tube is straightforward, designed to fit precisely within the engine’s fuel system architecture. Its primary function is to allow for the easy drainage of water and sediment that may accumulate in the fuel tank. This is crucial for preventing corrosion and ensuring that the fuel supply remains uncontaminated, which is essential for the smooth operation of the engine.

By integrating this part into the engine’s design, Cummins ensures that users can maintain their engines with minimal hassle, knowing that the fuel system is protected against the detrimental effects of water and sediment buildup.

Role of Part 3935099 Fuel Drain Tube in Engine Systems

The fuel drain tube (part 3935099) is an integral component in the fuel system of an engine, facilitating the removal of excess fuel and contaminants from the system. Its primary function is to ensure that the fuel delivered to the engine is clean and free from impurities that could otherwise affect engine performance and efficiency.

Integration with Fuel System Components

1. Fuel Tank: The fuel drain tube is typically connected to the fuel tank, allowing for the periodic removal of sediment and water that may accumulate at the bottom of the tank. This helps maintain the quality of the fuel being supplied to the engine.

2. Fuel Filter: In systems where a fuel filter is present, the drain tube may be connected downstream of the filter. This setup enables the draining of any contaminants that the filter has trapped, ensuring that the filter continues to operate effectively.

3. Fuel Lines: The drain tube is often integrated into the fuel lines, providing a convenient point for draining fuel when maintenance or repairs are required. This can be particularly useful during engine overhauls or when switching between different types of fuel.

4. Drain Valve: Many fuel systems include a drain valve connected to the fuel drain tube. This valve allows for controlled draining of fuel, making it easier to perform maintenance without the need for complex disassembly.

5. Maintenance Access Points: The fuel drain tube is usually located in an accessible area of the engine compartment, allowing mechanics to easily connect a hose or container for draining fuel. This accessibility is designed to simplify routine maintenance tasks and reduce downtime.

Operational Benefits

• Contaminant Removal: By providing a means to drain sediment and water, the fuel drain tube helps prevent these contaminants from reaching the engine, thereby protecting critical components such as injectors and combustion chambers.

• System Integrity: Regular use of the fuel drain tube contributes to the overall integrity of the fuel system, ensuring that it operates within specified parameters and maintains optimal performance.

• Safety: Efficient drainage of fuel reduces the risk of fuel system blockages and ensures that the engine receives a consistent supply of clean fuel, enhancing both safety and reliability.

Conclusion

In summary, the fuel drain tube (part 3935099) plays a significant role in maintaining the cleanliness and efficiency of the fuel system, directly contributing to the overall performance and longevity of the engine. Proper installation, regular maintenance, and adherence to safety practices are essential to ensure the effective operation of this Cummins part.