3819525
Fuel Drain Tube
Cummins®

Introduction

The Cummins 3819525 Fuel Drain Tube is a critical component in the fuel systems of commercial trucks, designed to facilitate the draining of fuel for maintenance and to ensure the system’s integrity. This part contributes to the efficient and safe management of the fuel system, playing a significant role in the operation of commercial trucks.

Purpose and Function

This Cummins part allows for the controlled release of fuel, enabling the removal of water or contaminants, assisting in fuel type changeovers, and aiding in overall fuel system maintenance. By providing a means to drain fuel, it helps maintain the system’s integrity and ensures the engine operates on clean, uncontaminated fuel ¹.

Key Features

Constructed with materials resistant to corrosion and fuel degradation, the Fuel Drain Tube ensures longevity and reliability. It features secure connection types to prevent leaks and includes attributes like a built-in filter to trap contaminants during the draining process, contributing to the cleanliness of the fuel system ².

Benefits

The use of the 3819525 offers advantages such as improved fuel system reliability, simplified maintenance procedures, and support for overall engine performance by ensuring the fuel system remains clean and free of water or debris ³.

Installation Process

Installing this part requires adherence to specific procedures for proper function and safety. The process involves locating the correct position within the fuel system, securing the tube with appropriate fittings, and ensuring all connections are tight and leak-free. Safety precautions, such as depressurizing the fuel system before work, should be observed ⁴.

Maintenance and Troubleshooting

Regular maintenance includes inspecting the tube and its connections for wear, leaks, or corrosion. Troubleshooting steps involve cleaning or replacing the tube if clogged, tightening or replacing loose connections, and ensuring the tube remains free of corrosion through regular inspection and cleaning.

Compatibility and Applications

Designed for specific Cummins engines and truck models, compatibility information and application notes are crucial for ensuring the tube functions correctly within the intended fuel system, maintaining efficiency and safety across various commercial truck applications.

Safety Considerations

When working with the 3819525, it is important to follow safety protocols, including handling fuel with care to avoid spills and inhalation of fumes, and adhering to manufacturer guidelines for installation and maintenance. Ensuring the fuel system is depressurized before any work on the drain tube is a critical safety measure.

Cummins Overview

Cummins Inc. is a global power leader known for its commitment to reliability, performance, and customer satisfaction in the commercial truck industry. The company designs, manufactures, and distributes engines, filtration, and power generation products, serving various markets with a history of innovation and quality.

Role in Fuel Plumbing Systems

In fuel plumbing systems, the 3819525 serves an integral function by facilitating the safe and efficient removal of fuel from various components. It allows for periodic draining of fuel, essential for maintenance procedures, and interacts with the fuel pump and fuel injectors by providing a pathway for fuel redirection during system purging. The tube also plays a role in pressure relief, helping to manage fuel system pressure during maintenance operations.

Conclusion

The Cummins 3819525 Fuel Drain Tube is a key component in maintaining the integrity and efficiency of the fuel system in commercial trucks. Its role in facilitating the safe and effective management of fuel during maintenance and operational procedures underscores its importance in ensuring optimal engine performance and longevity.