3914898
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3914898 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. Its primary role is to facilitate the transfer of fuel from the tank to the engine, ensuring a steady and reliable fuel supply that is essential for maintaining engine performance and efficiency.

Purpose and Function

The Cummins 3914898 Fuel Supply Tube plays a significant role in the fuel delivery system by providing a conduit for fuel to travel from the tank to the engine. This ensures a consistent flow of fuel, which is necessary for the engine to operate efficiently. By maintaining a stable fuel supply, the tube helps in optimizing engine performance and ensuring that the engine receives the necessary fuel under various operating conditions ².

Key Features

The Cummins 3914898 Fuel Supply Tube is constructed with high-quality materials that enhance its durability and performance. The design incorporates features that ensure a secure fit and reliable operation. The materials used are resistant to corrosion and wear, which contributes to the longevity of the tube. Additionally, the tube is engineered to withstand the pressures and temperatures encountered in heavy-duty truck fuel systems ¹.

Benefits

Utilizing the Cummins 3914898 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent and unimpeded fuel flow. The design reduces the risk of fuel leaks, which enhances safety and reliability. Furthermore, the tube’s robust construction ensures it can perform reliably under demanding conditions, providing peace of mind for operators and maintenance personnel.

Installation and Compatibility

Proper installation of the Cummins 3914898 Fuel Supply Tube is vital for its effective operation. Installation procedures should follow manufacturer guidelines to ensure a secure and leak-free connection. Necessary tools and precautions should be observed to prevent damage to the tube or surrounding components. Compatibility information for specific truck models and engine types should be consulted to ensure the correct application of the tube.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3914898 Fuel Supply Tube is recommended to ensure its continued performance and longevity. This includes periodic inspections for signs of wear, corrosion, or leaks. Common issues may include fuel leaks or reduced fuel flow, which can often be addressed by inspecting connections, replacing worn components, or cleaning the tube as necessary.

Safety Considerations

When handling and installing the Cummins 3914898 Fuel Supply Tube, it is important to adhere to safety guidelines. This includes ensuring proper ventilation to avoid the accumulation of fuel vapors, using appropriate personal protective equipment, and following all manufacturer instructions to prevent accidents and ensure a safe working environment.

Environmental Impact

The efficient design of the Cummins 3914898 Fuel Supply Tube contributes to reduced fuel consumption and lower emissions. By ensuring a consistent fuel flow and minimizing leaks, the tube helps in optimizing engine performance, which aligns with environmental standards and regulations aimed at reducing the carbon footprint of commercial vehicles ².

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related components for commercial vehicles. With a history of innovation and quality, Cummins has established a strong reputation in the industry for producing reliable and high-performance engine parts. The company’s commitment to excellence is reflected in its wide range of products, including the Cummins 3914898 Fuel Supply Tube, which is designed to meet the rigorous demands of heavy-duty applications.

Cummins Fuel Supply Tube 3914898 Compatibility

The Cummins part number 3914898, a Fuel Supply Tube, is designed to integrate seamlessly with several engine models. This component is essential for maintaining the integrity of the fuel delivery system, ensuring that fuel is efficiently and safely transported from the fuel tank to the engine.

Engine Compatibility

4B3.9 and 6B5.9 Engines

The Fuel Supply Tube 3914898 is specifically engineered to fit the 4B3.9 and 6B5.9 engines. These engines, while distinct in their configurations and capacities, share a commonality in their fuel delivery requirements. The tube’s design accommodates the precise specifications of these engines, ensuring optimal performance and reliability.

Grouping for Efficiency

When considering the integration of the Fuel Supply Tube 3914898, it is beneficial to group the 4B3.9 and 6B5.9 engines together due to their similar fuel system architecture. This grouping simplifies the maintenance and repair processes, as the same part can be used across both engine types, reducing inventory needs and streamlining the supply chain.

Technical Integration

The technical integration of the Fuel Supply Tube 3914898 with these engines involves precise alignment and secure fitting. The tube must connect seamlessly with the fuel pump and other related components, ensuring there are no leaks or disruptions in the fuel flow. This part’s design is such that it can withstand the operational stresses and environmental conditions these engines typically encounter, providing long-lasting durability and performance.

Role of Part 3914898 Fuel Supply Tube in Engine Systems

The Part 3914898 Fuel Supply Tube is an integral component in the fuel delivery system of various engine setups. Its primary function is to transport fuel from the Base Fuel Pump to the Bosch Injection Pump. This ensures a consistent and reliable fuel supply, which is essential for the efficient operation of the engine.

In the fuel delivery process, the Base Fuel Pump draws fuel from the tank and pressurizes it. The Fuel Supply Tube then conveys this pressurized fuel to the Bosch Injection Pump. The Bosch Injection Pump, a high-precision component, relies on a steady fuel flow to meter and inject fuel into the engine cylinders at the correct time and in the right amount.

The seamless integration of the Fuel Supply Tube with these components ensures that the fuel system operates smoothly. It minimizes the risk of fuel starvation or over-pressurization, both of which can lead to engine performance issues. Additionally, the tube’s design allows for flexibility and durability, accommodating the vibrations and movements inherent in engine operation while maintaining a secure fuel pathway.

Overall, the Fuel Supply Tube plays a significant role in maintaining the integrity and efficiency of the fuel delivery system, directly impacting the engine’s performance and reliability.

Conclusion

The Cummins 3914898 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks, ensuring a consistent and reliable fuel supply to the engine. Its high-quality construction, compatibility with specific engine models, and role in maintaining engine performance make it an essential part for operators and maintenance personnel. Regular maintenance and adherence to safety guidelines are crucial for the longevity and efficiency of this part.