3355995
Fuel Drain Tube
Cummins®

Introduction

The Cummins 3355995 Fuel Drain Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its primary role is to facilitate the removal of water and contaminants from the fuel tank, ensuring that the fuel delivered to the engine is clean and free from impurities that could affect performance and longevity.

Purpose and Function

This Cummins part plays a role in the fuel system by providing a means to drain water and contaminants that accumulate in the fuel tank. Water can enter the fuel system through condensation or from impurities in the fuel itself. If left unchecked, these contaminants can lead to corrosion, clogged fuel filters, and inefficient combustion. The Fuel Drain Tube allows for periodic draining of these impurities, maintaining the integrity and efficiency of the fuel system ¹.

Key Features

The 3355995 is engineered with specific features to enhance its performance and durability. It is constructed from high-quality materials resistant to corrosion and the harsh chemicals found in diesel fuel. The design includes a secure fitting mechanism to ensure a tight seal, preventing leaks and ensuring that the draining process is efficient and clean. Additionally, the tube may feature easy-to-use valves or fittings that simplify the draining process, making maintenance more straightforward for the user.

Benefits

Utilizing this Cummins part offers several advantages. It contributes to improved fuel quality by ensuring that water and contaminants are regularly removed from the fuel tank. This leads to reduced risk of engine damage due to cleaner fuel combustion. Furthermore, the enhanced fuel quality can result in better overall performance of the truck, including smoother operation and potentially improved fuel efficiency ².

Installation Process

Installing the 3355995 requires careful attention to ensure a secure and proper fit. The process typically involves locating the drain point on the fuel tank, removing any existing fittings, and then attaching the new Fuel Drain Tube using the provided fittings and tools. It is important to follow the manufacturer’s instructions closely to ensure that the tube is installed correctly and that all connections are tight to prevent leaks.

Maintenance Tips

Regular maintenance of this Cummins part is important to ensure its continued effective operation. This includes periodic inspections for signs of wear, corrosion, or damage. Cleaning the tube and its fittings as part of routine maintenance can prevent buildup that might impede its function. Additionally, it is advisable to drain the fuel tank regularly according to the manufacturer’s recommendations to remove accumulated water and contaminants.

Troubleshooting Common Issues

Common issues with the Fuel Drain Tube may include leaks or blockages. If a leak is detected, it is important to inspect the connections and fittings for tightness and signs of wear or damage. Blockages can often be resolved by cleaning the tube and ensuring that the drain valve operates correctly. Regular maintenance can help prevent these issues from arising.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong reputation in the industry for quality and innovation, Cummins is committed to providing reliable and efficient components for automotive and heavy-duty applications. Their products are designed with a focus on durability, performance, and ease of maintenance, reflecting their dedication to excellence in manufacturing.

Cummins Fuel Drain Tube (Part 3355995) Compatibility

The Cummins Fuel Drain Tube, identified by part number 3355995, is a component in the fuel system of various Cummins engines. This part is designed to facilitate the removal of water and sediment from the fuel tank, ensuring that the engine operates smoothly and efficiently.

Engine Compatibility

• 6B5.9 Series Engines

  • The 6B5.9 engine series is known for its robust design and reliability, often used in heavy-duty applications. The Fuel Drain Tube (3355995) is specifically engineered to fit seamlessly within the fuel system architecture of these engines. Its placement and design ensure optimal drainage, preventing the accumulation of contaminants that could otherwise lead to engine performance issues.

• Other Cummins Engines

  • While the 6B5.9 series is highlighted, the Cummins Fuel Drain Tube (3355995) is also compatible with a range of other Cummins engines. This part’s universal design allows it to integrate effectively with various engine models, providing a consistent solution for fuel system maintenance across different platforms.

Installation and Maintenance

• Installation

  • Proper installation of the Fuel Drain Tube is crucial for maintaining the integrity of the fuel system. Technicians should follow the manufacturer’s guidelines to ensure the part is correctly positioned and securely fastened. This will help prevent leaks and ensure efficient fuel drainage.

• Maintenance

  • Regular inspection and maintenance of the Fuel Drain Tube are essential. Checking for blockages or damage can prevent potential issues before they escalate, ensuring the engine’s longevity and performance.

Role of Part 3355995 Fuel Drain Tube in Engine Systems

This Cummins part is an essential component in the fuel system, specifically designed to facilitate the safe and efficient drainage of fuel. This component is integrated into the fuel plumbing system, ensuring that excess or contaminated fuel can be removed without compromising the integrity of the system.

Integration with Fuel Plumbing

In the fuel plumbing system, the Fuel Drain Tube is connected to the fuel tank and other critical components such as the fuel filter and fuel lines. Its primary function is to provide a controlled pathway for fuel to be drained, which is particularly important during maintenance procedures or when the fuel quality is in question.

Interaction with Plumbing Components

The Fuel Drain Tube works in conjunction with various plumbing components to maintain the overall efficiency and safety of the fuel system. It is often linked to shut-off valves, which allow mechanics to isolate the drain tube from the rest of the system, ensuring that the drainage process does not affect ongoing operations. Additionally, it may be connected to collection containers or disposal systems to manage the drained fuel appropriately.

Ensuring System Integrity

By providing a dedicated route for fuel drainage, the Fuel Drain Tube helps prevent contamination from spreading throughout the fuel system. This is particularly important in high-performance engines where fuel purity directly impacts engine efficiency and longevity. The tube’s design allows for easy access during routine checks and maintenance, facilitating a smoother and more reliable operation of the entire fuel system.

Conclusion

The Cummins 3355995 Fuel Drain Tube is a vital component for maintaining the efficiency and reliability of heavy-duty truck engines. By facilitating the removal of water and contaminants from the fuel system, it ensures cleaner fuel delivery to the engine, reducing the risk of damage and enhancing overall performance. Regular maintenance and proper installation are key to maximizing the benefits of this part, contributing to the longevity and optimal operation of the vehicle.