4992641
Fuel Drain Tube
Cummins®

Introduction

The Cummins 4992641 Fuel Drain Tube is a specialized component designed for integration into the fuel systems of heavy-duty trucks. Its primary function is to enable the controlled drainage of fuel and water from the fuel tank, which is crucial for maintaining fuel quality and preventing engine damage. This component is vital for the efficient and reliable operation of the vehicle’s fuel system.

Purpose and Function

This Cummins part facilitates the controlled drainage of fuel and water, which is important for maintaining fuel quality and preventing engine damage ¹. By removing accumulated water, it helps prevent corrosion and contamination, ensuring that the engine does not ingest water, which could lead to significant damage. It is typically used during maintenance procedures to keep the fuel system clean and operational.

Key Features

The 4992641 is constructed from high-quality, corrosion-resistant materials, ensuring durability in harsh operating environments ². It features secure connection types that provide a reliable seal, preventing leaks and ensuring efficient drainage. The design may include reinforced sections to withstand high pressure and flexible components to accommodate movement within the fuel system.

Benefits

Using this part offers several advantages. It contributes to improved fuel system efficiency by ensuring that the fuel remains clean and free from contaminants, which helps maintain optimal engine performance and longevity ³. It also reduces the risk of water contamination within the fuel system, which can lead to costly repairs and downtime. Furthermore, by facilitating regular maintenance, it plays a role in extending the overall lifespan of the fuel system components.

Installation and Compatibility

Proper installation of the Fuel Drain Tube is important for ensuring its effective operation. The installation process may require specific tools and equipment to ensure that connections are secure and leak-free. It is designed to be compatible with a range of heavy-duty truck models and fuel systems, though specific compatibility details should be consulted for each application to ensure proper fit and function.

Maintenance and Troubleshooting

Regular maintenance of this Cummins part is important for ensuring optimal performance. This includes periodic inspection for signs of wear or damage, and cleaning as necessary to remove any buildup that could impede function. Common issues that may arise include leaks or blockages, which can often be addressed through routine maintenance checks and timely repairs. Troubleshooting steps may involve checking connections, ensuring the tube is properly seated, and verifying that there are no obstructions within the drainage path.

Safety Considerations

When working with the Fuel Drain Tube, it is important to observe several safety precautions. This includes proper handling of fuel to prevent spills and contamination. It is also important to avoid sparks or flames near the fuel system to prevent the risk of fire or explosion. Adherence to manufacturer guidelines for installation, maintenance, and operation is crucial to ensure safety and compliance with industry standards ⁴.

Environmental Impact

The use and disposal of the Fuel Drain Tube should be considered in the context of environmental impact. It is important to comply with regulations on hazardous waste disposal, particularly when dealing with fuel residues. Recycling options may be available for metal components, contributing to sustainable practices. Proper disposal and recycling help in minimizing the environmental footprint associated with the component’s lifecycle.

Cummins Overview

Cummins Inc. is a well-established company with a significant presence in the automotive and heavy-duty truck industry. Founded in 1919, Cummins has a long history of innovation and quality in engine manufacturing. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts, and is known for its commitment to reliability and performance. Cummins’ reputation is built on a foundation of technical expertise, customer satisfaction, and continuous improvement in product offerings.

Compatibility with Cummins Engines

ISB6.7 CM2250 and QSB6.7 CM2250

The Fuel Drain Tube (part 4992641) is compatible with the ISB6.7 CM2250 and QSB6.7 CM2250 engines. In these engines, the tube is strategically positioned to allow for the easy extraction of contaminants from the fuel tank. This positioning is crucial for maintaining the integrity of the fuel system and preventing potential engine damage due to water or sediment accumulation.

ISB6.7 CM2350 B101

For the ISB6.7 CM2350 B101 engine, the Fuel Drain Tube (part 4992641) serves the same function. Given the specific design and configuration of the ISB6.7 CM2350 B101, the placement and design of the fuel drain tube are tailored to meet the unique requirements of this engine model. This ensures that the tube effectively removes contaminants, contributing to the overall reliability and performance of the engine.

Common Functionality

Across these engine models, the Fuel Drain Tube (part 4992641) is engineered to provide a reliable and efficient means of fuel system maintenance. Its design allows for the easy and effective removal of water and sediment, which is vital for preventing engine issues related to fuel contamination. This part is a testament to Cummins’ commitment to quality and durability in their engine components.

Role in Fuel Drain Plumbing

In the context of fuel drain plumbing, the Fuel Drain Tube serves as a vital conduit that facilitates the safe and efficient removal of fuel from the system. This component is integral to maintaining the integrity and safety of the fuel system by allowing excess or contaminated fuel to be drained away from critical engine components.

The Fuel Drain Tube interfaces directly with the fuel tank and the fuel lines, providing a clear pathway for fuel to be expelled during maintenance procedures or in the event of a fuel system malfunction. It is designed to work in conjunction with the fuel drain valve, which controls the flow of fuel out of the system. When the valve is activated, either manually or automatically, the Fuel Drain Tube ensures that fuel is directed away from the engine bay and into a designated collection area, minimizing the risk of fuel spills and potential fire hazards.

Additionally, the Fuel Drain Tube is often connected to various sensors and monitoring systems within the fuel drain plumbing. These systems can detect anomalies such as water contamination or fuel degradation, prompting the activation of the drain valve to expel the compromised fuel. This proactive approach helps in preserving the performance and longevity of the engine by ensuring that only clean, uncontaminated fuel is circulated through the system.

Conclusion

The Cummins 4992641 Fuel Drain Tube is a key component in the fuel system of heavy-duty trucks, playing a crucial role in maintaining fuel quality, preventing engine damage, and ensuring the efficient operation of the vehicle. Its design, compatibility with various Cummins engines, and integration into fuel drain plumbing systems underscore its importance in the maintenance and reliability of heavy-duty truck fuel systems.