4999871
Fuel Transfer Tube
Cummins®

Introduction

The Cummins 4999871 Fuel Transfer Tube is a critical component in the fuel systems of commercial trucks. It facilitates the efficient transfer of fuel from the tank to the engine, ensuring smooth and reliable vehicle operation. This part is integral to the truck’s fuel system, maintaining consistent fuel delivery under various conditions ¹.

Purpose and Function

The Cummins 4999871 Fuel Transfer Tube enables the movement of fuel from the storage tank to the engine, ensuring delivery at the correct pressure and flow rate for optimal engine performance. It maintains a steady fuel supply, preventing interruptions in engine operation during long hauls or demanding conditions ².

Key Features

This Cummins part is made from high-quality, corrosion-resistant materials, ensuring durability in harsh environments. Its precise engineering maintains fuel flow efficiency and reliability. The tube may include reinforced sections or specialized coatings for enhanced resistance to elements and mechanical stress ³.

Benefits

The Cummins 4999871 Fuel Transfer Tube offers improved fuel efficiency, enhanced reliability in fuel delivery, and compatibility with specific truck models, ensuring seamless integration with the vehicle’s fuel system components.

Installation and Compatibility

Proper installation of this part is crucial for its effective operation. Installation procedures should follow manufacturer guidelines. It is compatible with various Cummins engine models and other truck makes and models, ensuring wide applicability without modifications.

Maintenance and Troubleshooting

Regular maintenance of this Cummins part is recommended for longevity and efficient operation. This includes periodic inspections, cleaning, and replacement if significant degradation is observed. Common issues like fuel leaks or reduced fuel flow can often be addressed through maintenance practices or by consulting the manufacturer’s troubleshooting guide.

Safety Considerations

When handling, installing, or maintaining the Cummins 4999871 Fuel Transfer Tube, it is important to observe safety practices. This includes working in a well-ventilated area, using appropriate personal protective equipment, and ensuring the vehicle’s engine is off and the fuel system is depressurized before beginning any work.

Environmental Impact

The efficient design of the Cummins 4999871 Fuel Transfer Tube contributes to reduced fuel consumption and lower emissions, aligning with environmental regulations and sustainability goals in the trucking industry. It helps minimize fuel waste and the associated environmental impact, supporting more sustainable transportation practices.

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 history of innovation and a commitment to quality, Cummins has established itself as a trusted name in the manufacturing of automotive components. The company’s product range is designed to meet the demanding requirements of commercial and industrial applications, ensuring reliability and performance across a variety of sectors.

Cummins Fuel Transfer Tube 4999871 Compatibility

The Cummins Fuel Transfer Tube, part number 4999871, is designed to fit seamlessly with a range of engines, ensuring optimal fuel transfer and engine performance. This part is compatible with the following engines:

• ISZ13 CM2150 Z105
• QSZ13 CM2150 Z101
• QSZ13 CM2150 Z102

These engines, while distinct, share common design elements that allow the Fuel Transfer Tube to integrate effectively. The tube’s design ensures it meets the specific requirements of each engine model, facilitating efficient fuel flow and maintaining the integrity of the fuel system.

Role of Part 4999871 Fuel Transfer Tube in Engine Systems

The 4999871 Fuel Transfer Tube is a key component in the efficient operation of engine systems, particularly when integrated with the Engine Control Module (ECM). This tube facilitates the movement of fuel from the fuel tank to the engine, ensuring a consistent and reliable fuel supply.

Interaction with the Engine Control Module (ECM)

The ECM plays a pivotal role in monitoring and regulating the fuel delivery system. It receives data from various sensors, including fuel level sensors and pressure sensors, to determine the optimal fuel flow rate. The 4999871 Fuel Transfer Tube works in tandem with the ECM to maintain this flow. The ECM can adjust the fuel pump’s operation based on the data it receives, ensuring that the fuel transfer tube delivers the precise amount of fuel needed for combustion.

Ensuring Consistent Fuel Pressure

One of the primary functions of the 4999871 Fuel Transfer Tube is to maintain consistent fuel pressure within the system. The tube is designed to handle the pressure differentials between the fuel tank and the engine, ensuring that fuel is delivered under the correct pressure conditions. This is vital for the efficient atomization of fuel in the combustion chamber, which directly impacts engine performance and fuel efficiency.

Integration with Fuel Injectors

The fuel transfer tube also interfaces with the fuel injectors, which are controlled by the ECM. The consistent fuel supply ensured by the tube allows the injectors to operate efficiently, spraying fuel into the combustion chamber in a finely atomized state. This enhances combustion efficiency and reduces emissions.

Role in Fuel Return Systems

In systems equipped with a fuel return line, the 4999871 Fuel Transfer Tube also plays a role in returning excess fuel to the tank. This helps in maintaining the desired fuel pressure and temperature, contributing to the overall stability and performance of the engine.

Contribution to Engine Longevity

By ensuring a steady and regulated fuel supply, the 4999871 Fuel Transfer Tube contributes to the longevity of the engine. Consistent fuel delivery reduces the wear and tear on engine components, such as the fuel pump and injectors, leading to a more durable and reliable engine system.

Conclusion

The Cummins 4999871 Fuel Transfer Tube is a vital component in the fuel delivery system, working closely with the ECM to ensure optimal engine performance and efficiency. Its design and features contribute to the reliability, efficiency, and environmental sustainability of commercial truck operations.