4991972
Fuel Drain Tube
Cummins®

The 4991972 Fuel Drain Tube, manufactured by Cummins, is a component designed for use in commercial truck maintenance and operation. Cummins, a well-established name in the industry, produces a range of parts that contribute to the efficiency and reliability of heavy-duty vehicles. This Cummins part is one such component, playing a role in ensuring the fuel system operates effectively.

Basic Concepts of Fuel Drain Tubes

A Fuel Drain Tube is a component within a truck’s fuel system that allows for the removal of unwanted substances such as water and contaminants from the fuel. Proper fuel management is vital in heavy-duty vehicles to maintain engine performance and longevity ¹. The tube provides a means to periodically drain these impurities, ensuring that only clean fuel is delivered to the engine.

Purpose of the 4991972 Fuel Drain Tube

This part is specifically designed to facilitate the removal of contaminants and water from a truck’s fuel system. By allowing for the periodic draining of these impurities, the tube helps maintain the quality of the fuel delivered to the engine. This, in turn, supports consistent engine performance and helps prevent potential damage caused by contaminated fuel.

Key Features

The 4991972 is constructed with features that enhance its performance and durability. It is made from materials that are resistant to the corrosive effects of fuel, ensuring a long service life. The tube includes fittings that are designed for a secure connection to the fuel system, minimizing the risk of leaks. Additionally, the design may incorporate elements that simplify the draining process, making maintenance more straightforward for the user.

Benefits of Using the 4991972 Fuel Drain Tube

Utilizing this part offers several advantages. It contributes to improved fuel quality by enabling the removal of contaminants and water, which can otherwise lead to engine issues. Enhanced engine performance is a direct result of cleaner fuel, and this can translate into better overall vehicle operation. Furthermore, by maintaining fuel system cleanliness, the need for frequent maintenance may be reduced, potentially leading to cost savings over time.

Installation and Compatibility

Proper installation of the 4991972 is important to ensure it functions as intended. The installation process may require specific tools and should follow manufacturer guidelines to achieve a secure fit. It is compatible with certain truck models and engine types, and it is important to verify compatibility to ensure optimal performance and integration within the fuel system.

Troubleshooting and Maintenance

Fuel Drain Tubes, including the 4991972, may encounter issues over time. Common problems can include leaks or blockages, which may affect the tube’s ability to drain contaminants effectively. Diagnostic tips for identifying these issues involve regular inspection and testing of the tube’s functionality. Maintenance practices, such as periodic cleaning and checking for wear, can help prolong the lifespan of the Fuel Drain Tube and ensure it continues to operate efficiently.

Cummins: Manufacturer Overview

Cummins Inc. is a company with a rich history in the commercial truck industry, known for its wide range of products and strong reputation. The company’s components, including the 4991972, are designed with a focus on quality and reliability. Cummins’ commitment to innovation and customer satisfaction has established it as a trusted source for truck components, making it a preferred choice for many in the industry.

Cummins Engine Compatibility with Fuel Drain Tube Part 4991972

The Cummins Fuel Drain Tube part number 4991972 is designed to fit a variety of Cummins engines, ensuring efficient fuel management and system integrity. This part is integral to the fuel system, facilitating the removal of water and sediment from the fuel tank. Below is a detailed overview of the engines compatible with this part:

ISB Series

• ISB CM2150: This engine model is part of the Cummins ISB series, known for its robust performance and reliability in various applications.
• ISB/ISD6.7 CM2150 SN: This variant includes the SN (Service Number) designation, indicating a specific service update or enhancement.
• ISB6.7 CM2250: This engine is part of the ISB series with a higher displacement, offering increased power and efficiency.
• ISB6.7 CM2350 B101: This model is equipped with the B101 designation, which may refer to specific performance or emission standards.

ISBE Series

• ISBE CM2150: This engine is part of the ISBE series, designed for heavy-duty applications with enhanced durability and performance.
• ISBE4 CM850: This model is part of the ISBE series, featuring a different displacement and specifications tailored for specific heavy-duty needs.

QSB Series

• QSB6.7 CM2250: This engine is part of the QSB series, known for its versatility and efficiency in a range of applications, from agricultural to industrial use.

The Fuel Drain Tube part number 4991972 is engineered to ensure compatibility across these engine models, providing a seamless fit and function. This compatibility ensures that the fuel system remains clean and free from contaminants, which is crucial for maintaining engine performance and longevity.

Role of Part 4991972 Fuel Drain Tube in Engine Systems

The part 4991972 Fuel Drain Tube is a component in the fuel system of various engine setups. It is specifically designed to facilitate the safe and efficient drainage of fuel from the system, ensuring that any excess or contaminated fuel is removed effectively.

Integration with Fuel Drain Plumbing

In the context of fuel drain plumbing, the 4991972 Fuel Drain Tube serves as a conduit that connects the fuel tank to the drainage point. This setup allows for the periodic removal of fuel, which may have accumulated impurities or water, thereby maintaining the integrity of the fuel supply. The tube is typically integrated into a network of valves and filters, working in concert to ensure that the drainage process is both controlled and efficient.

Interaction with Fuel Plumbing

When considering the fuel plumbing system, the 4991972 Fuel Drain Tube plays a supportive role. While the primary fuel lines are responsible for delivering fuel from the tank to the engine, the drain tube provides an auxiliary pathway for fuel that needs to be expelled from the system. This interaction is vital for maintaining the overall health of the fuel system, preventing issues such as clogged fuel filters or injectors, which can arise from contaminated fuel.

Comprehensive System Functionality

In a comprehensive engine system, the 4991972 Fuel Drain Tube is often part of a more extensive network that includes sensors and control units. These components monitor the fuel quality and system pressure, signaling when a drain cycle is necessary. The tube itself is engineered to withstand the pressures and temperatures within the fuel system, ensuring reliable performance over time.

By effectively managing the drainage of fuel, the 4991972 Fuel Drain Tube contributes to the longevity and efficiency of the engine, playing a role in the maintenance and operation of the fuel system.

Conclusion

The 4991972 Fuel Drain Tube is a vital component in the fuel system of commercial trucks, designed to ensure the removal of contaminants and water from the fuel. Its proper installation and maintenance are crucial for the efficient operation of the fuel system and the overall performance of the engine. Cummins’ reputation for quality and reliability, coupled with the tube’s compatibility with a range of their engines, makes it a valuable part for truck maintenance and operation.