3942598
Fuel Drain Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$57.95 $68.96

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3942598 Fuel Drain Tube is a component designed for use in commercial trucks. It serves a specific function within the fuel system, contributing to the overall efficiency and reliability of the vehicle’s operation. Understanding its purpose and significance can help in maintaining the truck’s performance and longevity.

Basic Concepts of Fuel Drain Tubes

A Fuel Drain Tube is a component within the fuel system that facilitates the removal of fuel from the system for maintenance or emergency purposes. It operates by providing a controlled path for fuel to exit the system, which helps in ensuring efficient fuel delivery and maintaining system integrity. This component is vital for routine maintenance tasks such as fuel filter changes or system purging 1.

Purpose of the Cummins 3942598 Fuel Drain Tube

The Cummins 3942598 Fuel Drain Tube plays a role in the fuel system by allowing for the safe and efficient draining of fuel. This function is important for several reasons: it aids in the removal of water or contaminants that may have accumulated in the fuel, it simplifies the process of changing fuel filters, and it contributes to the overall performance and reliability of the engine by ensuring that the fuel system remains clean and free of obstructions 2.

Key Features

The Cummins 3942598 Fuel Drain Tube is characterized by its robust design and the materials used in its construction. It is engineered to withstand the pressures and temperatures encountered within a commercial truck’s fuel system. The tube is made from durable materials that resist corrosion and wear, ensuring longevity and reliable performance. Its design includes features that facilitate easy connection and disconnection, making maintenance tasks more straightforward 3.

Benefits

Using the Cummins 3942598 Fuel Drain Tube offers several advantages. It enhances the efficiency of the fuel system by allowing for easy draining and purging, which helps in maintaining clean fuel and reducing the risk of contamination. This, in turn, contributes to improved engine performance and reliability. Additionally, the tube’s design and materials ensure durability, reducing the need for frequent replacements and maintenance.

Installation Process

Installing the Cummins 3942598 Fuel Drain Tube requires following a series of steps to ensure a secure and effective fit. The process involves preparing the fuel system for the installation, connecting the tube to the appropriate fittings, and ensuring all connections are tight and secure. It is important to use the correct tools and follow manufacturer guidelines to avoid damage to the tube or the fuel system.

Maintenance Tips

Regular maintenance of the Cummins 3942598 Fuel Drain Tube is important for ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning the tube and its connections to prevent blockages, and ensuring that all connections remain tight. Following these maintenance practices can help in identifying potential issues before they lead to more significant problems.

Troubleshooting Common Issues

Common issues associated with Fuel Drain Tubes include leaks, blockages, or performance declines. Troubleshooting these problems involves inspecting the tube and its connections for signs of damage or wear, checking for blockages that may impede fuel flow, and ensuring that all connections are secure. Addressing these issues promptly can help in maintaining the efficiency and reliability of the fuel system.

Manufacturer Information - Cummins

Cummins is a well-regarded manufacturer in the automotive and heavy-duty truck industry, known for its commitment to producing high-quality components. The company has a long history of innovation and excellence in engine and component manufacturing, which is reflected in the design and performance of the Cummins 3942598 Fuel Drain Tube. Cummins’ reputation for quality and reliability makes its components a popular choice among commercial truck operators and maintenance professionals.

Cummins Fuel Drain Tube Part 3942598 Compatibility

The Cummins Fuel Drain Tube part number 3942598 is designed to fit seamlessly with several engine models, ensuring efficient fuel management and maintenance. This part is crucial for the proper functioning of the fuel system, allowing for the removal of water and sediment that can accumulate in the fuel tank.

ISB CM550

The ISB CM550 engine benefits from the precise fit of the 3942598 Fuel Drain Tube. This part ensures that the fuel system remains clean and free from contaminants, which is essential for maintaining optimal engine performance and longevity.

QSB5.9 44 CM550

Similarly, the QSB5.9 44 CM550 engine is compatible with the 3942598 Fuel Drain Tube. This part is engineered to integrate smoothly with the engine’s fuel system, providing a reliable method for draining unwanted substances from the fuel tank. This compatibility is crucial for ensuring that the engine operates efficiently and without interruptions caused by fuel contamination.

By using the 3942598 Fuel Drain Tube, owners of these engines can maintain a clean and efficient fuel system, contributing to the overall reliability and performance of their machinery.

Role of Part 3942598 Fuel Drain Tube in Engine Systems

Part 3942598, the Fuel Drain Tube, is an essential component in the fuel system of an engine. It is designed to facilitate the safe and efficient removal of fuel from the system during maintenance or emergency situations.

Integration with Fuel System Components

  1. Fuel Tank: The Fuel Drain Tube is typically connected to the fuel tank. It allows for the controlled release of fuel, ensuring that the tank can be emptied without causing spills or hazardous conditions.

  2. Fuel Lines: The tube interfaces with the fuel lines, providing a direct pathway for fuel to exit the system. This is particularly important during maintenance checks or when the fuel needs to be drained for storage or transportation.

  3. Fuel Filters: In systems where fuel filters are present, the drain tube may be positioned to allow for the draining of fuel before filter replacement. This ensures that the new filter is not contaminated upon installation.

  4. Fuel Pump: The Fuel Drain Tube may also connect near the fuel pump. This allows for the drainage of fuel from the pump cavity, which is essential for maintenance or repair of the pump itself.

Interaction with Plumbing Components

  1. Valves: The tube often connects to valves that control the flow of fuel. These valves are crucial for ensuring that fuel is only drained when necessary, preventing unnecessary wastage.

  2. Hoses and Fittings: The Fuel Drain Tube is usually equipped with hoses and fittings that ensure a secure connection to the fuel system. These components are designed to withstand the pressure and chemical properties of the fuel.

  3. Drain Pans: In many engine systems, the Fuel Drain Tube directs fuel into a drain pan. This pan collects the fuel safely, allowing for its proper disposal or recycling.

Safety and Efficiency

The Fuel Drain Tube plays a significant role in maintaining the safety and efficiency of the fuel system. By providing a controlled method for fuel drainage, it helps prevent fuel spills, reduces the risk of fire hazards, and ensures that maintenance procedures are carried out smoothly. Additionally, it aids in the quick identification and resolution of fuel system issues, contributing to the overall reliability of the engine.

Conclusion

The Cummins 3942598 Fuel Drain Tube is a critical component in the fuel system of commercial trucks, designed to enhance the efficiency and reliability of the vehicle’s operation. Its robust design, compatibility with various engine models, and ease of maintenance make it a valuable asset for truck operators and maintenance professionals. Regular maintenance and prompt troubleshooting of common issues can ensure the longevity and optimal performance of this Cummins part, contributing to the overall safety and efficiency of the fuel system.


  1. Haoran Hu, Rudy Smaling, Simon Baseley, Heavy-Duty Wheeled Vehicles, SAE International, 2014.

  2. David C Barton and John D Fieldhouse, Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body, Elsevier, 2009.

  3. Sean Bennett, Modern Diesel Technology: Light Duty Diesels, Cengage Learning, 2012.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.5 x 5.25 x 0.571 in
Weight
0.165 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.