4997664
Fuel Drain Tube
Cummins®

Introduction

The Cummins 4997664 Fuel Drain Tube is a component designed for use in the fuel systems of commercial trucks. Its primary role is to facilitate the drainage of fuel, which is vital for maintaining the integrity and efficiency of the fuel system. This part is integral to ensuring that the fuel system operates smoothly and reliably, contributing to the overall performance and longevity of the truck ¹.

Purpose and Function

The Cummins 4997664 Fuel Drain Tube plays a role in the fuel system by allowing for the controlled drainage of fuel. This function is important for several reasons: it enables the removal of water or contaminants that may have accumulated in the fuel tank, helps in preparing the fuel system for maintenance or repair, and ensures that the fuel delivered to the engine is clean and free from impurities. By facilitating efficient fuel drainage, this component helps maintain the system’s integrity and performance ².

Key Features

The Cummins 4997664 Fuel Drain Tube is constructed with durability and efficiency in mind. It is made from high-quality materials that resist corrosion and wear, ensuring long-term reliability. The tube features secure connection types that prevent leaks and ensure a tight seal within the fuel system. Additionally, its design includes elements that enhance performance, such as smooth internal passages that minimize resistance during fuel drainage ³.

Benefits

Using the Cummins 4997664 Fuel Drain Tube offers several advantages. It contributes to improved fuel system reliability by ensuring that the fuel delivered to the engine is clean. The design of the tube also makes maintenance procedures easier, reducing downtime and labor costs. Furthermore, its compatibility with specific truck models ensures that it integrates seamlessly into the existing fuel system, providing a reliable and efficient drainage solution.

Installation and Usage

Proper installation of the Cummins 4997664 Fuel Drain Tube is important for optimal performance. It should be installed according to the manufacturer’s guidelines, ensuring that all connections are secure and that the tube is properly positioned within the fuel system. Following these guidelines helps ensure that the tube functions effectively and contributes to the overall efficiency of the fuel system.

Troubleshooting Common Issues

Common issues with Fuel Drain Tubes may include signs of wear, potential leaks, or blockages. Regular inspection can help identify these problems early. If a leak is detected, it may be necessary to replace the tube or repair the connection. Blockages can often be cleared by flushing the tube with a compatible solvent. Addressing these issues promptly helps maintain the efficiency and reliability of the fuel system.

Maintenance Tips

Regular maintenance of the Cummins 4997664 Fuel Drain Tube is important for prolonging its life and ensuring optimal performance. This includes routine inspections for signs of wear or damage, cleaning the tube to remove any buildup, and replacing it according to the manufacturer’s recommendations or when signs of degradation are observed. Adhering to these maintenance practices helps ensure the tube continues to function effectively within the fuel system.

Safety Considerations

When working with fuel system components, it is important to follow safety protocols. This includes proper handling of fuel to prevent spills and fires, storing fuel and related materials in a safe and designated area, and disposing of used fuel and components in accordance with local regulations. Adhering to these safety considerations helps protect both the technician and the environment.

Cummins Corporation

Cummins Inc. is a leading manufacturer of diesel engines, related technologies, and power generation equipment. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company is committed to delivering high-quality components that meet the demanding requirements of commercial applications, ensuring reliability and performance in every product they offer.

Cummins Engine Compatibility with Fuel Drain Tube Part 4997664

The Cummins Fuel Drain Tube part number 4997664 is designed to fit a variety of Cummins engines, ensuring efficient fuel management across different engine models. Below is a detailed breakdown of the compatibility of this part with various Cummins engines:

ISB/ISD Engines

• ISB/ISD 4.5 CM2150 B119
• ISB/ISD 6.7 CM2150 SN

The Fuel Drain Tube part 4997664 is compatible with both the ISB/ISD 4.5 and ISB/ISD 6.7 engines equipped with the CM2150 B119 and CM2150 SN configurations, respectively. This part is crucial for maintaining the integrity of the fuel system by allowing for the drainage of any water or contaminants that may accumulate in the fuel tank.

ISBE Engines

• ISBE CM2150
• ISBE4 CM850

The part 4997664 also fits the ISBE engines, specifically the ISBE CM2150 and ISBE4 CM850 models. This compatibility ensures that these engines can benefit from the same fuel management features, promoting efficient operation and longevity of the fuel system.

QSB Engines

• QSB 4.5 CM850 (CM2850)
• QSB 6.7 CM850 (CM2850)
• QSB 7 CM2880 B117

The Fuel Drain Tube part 4997664 is also suitable for the QSB series engines. It fits the QSB 4.5 and QSB 6.7 engines with CM850 (CM2850) configurations, as well as the QSB 7 engine with the CM2880 B117 configuration. This part is essential for these engines to effectively manage fuel quality and prevent issues related to water or debris in the fuel.

By ensuring that the Fuel Drain Tube part 4997664 is compatible with a wide range of Cummins engines, it provides a reliable solution for maintaining the efficiency and reliability of the fuel system across different engine models.

Role of Part 4997664 Fuel Drain Tube in Engine Systems

The 4997664 Fuel Drain Tube is an essential component in the plumbing of fuel systems within engine assemblies. Its primary function is to facilitate the safe and efficient drainage of fuel from the system, which is necessary for maintenance procedures, system purging, or in the event of a fuel system malfunction.

In the context of engine systems, the Fuel Drain Tube interfaces with several key components:

• Fuel Tank: The tube is typically connected to the fuel tank, allowing for the controlled release of fuel. This is particularly important during maintenance checks or when the fuel system needs to be emptied for repair or inspection.

• Fuel Lines: The drain tube is integrated into the network of fuel lines that transport fuel from the tank to the engine. It provides a dedicated pathway for fuel to be diverted away from the main fuel lines, ensuring that the drainage process does not interfere with the operation of the engine.

• Fuel Filter: Often, the Fuel Drain Tube is positioned downstream of the fuel filter. This allows for the removal of fuel that may contain contaminants or water, which have been separated from the clean fuel by the filter.

• Fuel Pump: In systems where the fuel pump is located within the fuel tank, the drain tube may be used to relieve pressure within the tank before servicing the pump. This is a safety measure to prevent fuel spray or spills during maintenance.

• Engine Control Unit (ECU): Modern engines are equipped with an ECU that monitors various parameters, including fuel system pressure and fuel level. The Fuel Drain Tube may be part of a system that the ECU can control to initiate fuel drainage when necessary.

• Emission Control Systems: The drainage of fuel is also relevant to emission control systems. Proper drainage ensures that fuel does not accumulate in areas where it could lead to increased emissions or fail to meet environmental regulations.

The 4997664 Fuel Drain Tube, therefore, plays a significant role in the overall integrity and functionality of the fuel system. It ensures that fuel can be safely removed when needed, contributes to the maintenance of system cleanliness, and aids in the prevention of fuel-related issues that could affect engine performance and emissions.

Conclusion

The Cummins 4997664 Fuel Drain Tube is a critical component in the fuel systems of commercial trucks, designed to ensure efficient and reliable fuel drainage. Its compatibility with various Cummins engines, coupled with its durable construction and ease of maintenance, makes it an essential part for maintaining the performance and longevity of the fuel system. Proper installation, regular maintenance, and adherence to safety protocols are key to maximizing the benefits of this Cummins part.