3979330
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3979330 Fuel Supply Tube is a component designed for use in commercial trucks. It plays a role in the fuel delivery system by ensuring that fuel is efficiently transferred from the tank to the engine. This part is integral to maintaining the performance and reliability of the vehicle’s fuel system ¹.

Purpose and Function

The Cummins 3979330 Fuel Supply Tube facilitates the transfer of fuel from the tank to the engine. It is a conduit that ensures a steady and consistent flow of fuel, which is necessary for the engine’s combustion process. The tube is designed to withstand the pressures and temperatures associated with fuel delivery, ensuring that the engine receives the necessary fuel for operation ².

Key Features

The Cummins 3979330 Fuel Supply Tube is constructed from durable materials that are resistant to corrosion and wear. Its design includes features that enhance its performance and longevity, such as reinforced connections and a smooth interior to reduce flow resistance. These characteristics contribute to the tube’s ability to maintain a reliable fuel supply under various operating conditions ³.

Benefits

The use of the Cummins 3979330 Fuel Supply Tube can lead to improved fuel efficiency and engine performance. Its robust construction and design elements contribute to the reliability and longevity of the fuel delivery system. Compared to other fuel supply components, this tube offers enhanced durability and consistent fuel flow, which can result in better overall vehicle performance ¹.

Installation and Compatibility

Proper installation of the Cummins 3979330 Fuel Supply Tube is important to ensure it functions correctly within the fuel system. It is designed to be compatible with specific truck models and engine types, ensuring a seamless integration into the existing fuel delivery infrastructure ².

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3979330 Fuel Supply Tube is recommended to ensure its optimal performance. This includes checking for signs of wear or damage and ensuring that all connections are secure. Common issues may include fuel leaks or reduced fuel flow, which can often be addressed by inspecting and tightening connections or replacing worn components ³.

Safety Considerations

When handling and working with the Cummins 3979330 Fuel Supply Tube, it is important to observe safety guidelines to prevent accidents. This includes ensuring that the fuel system is depressurized before beginning any work and using appropriate personal protective equipment. Additionally, it is important to follow all manufacturer recommendations for installation and maintenance to ensure safe operation ¹.

Environmental Impact

The efficient operation of the Cummins 3979330 Fuel Supply Tube can contribute to reduced fuel consumption and lower emissions. By ensuring a consistent and reliable fuel supply, the tube helps the engine operate more efficiently, which can lead to environmental benefits such as decreased fuel usage and reduced exhaust emissions ².

Cummins Overview

Cummins Inc. is a well-established manufacturer known for producing high-quality automotive components. With a history of innovation and commitment to quality, Cummins has built a reputation for delivering reliable and durable parts that meet the demanding requirements of commercial vehicle applications ³.

Cummins Fuel Supply Tube 3979330 Compatibility

The Cummins Fuel Supply Tube part number 3979330 is designed to fit a variety of engine models. Here’s how it aligns with the specified engines:

ISC CM2150 and ISL CM2150

The ISC CM2150 and ISL CM2150 engines both utilize the Cummins Fuel Supply Tube 3979330. This part is integral to the fuel system, ensuring efficient fuel delivery from the fuel pump to the injectors.

ISL9 CM2150 SN

The ISL9 CM2150 SN engine also incorporates the 3979330 fuel supply tube. This part is essential for maintaining the integrity of the fuel supply line, which is crucial for the engine’s performance.

QSC8.3 CM850 (CM2850) and QSL8.9 CM2150 L141

The QSC8.3 CM850 (CM2850) and QSL8.9 CM2150 L141 engines are compatible with the 3979330 fuel supply tube. This part ensures that the fuel supply remains uninterrupted, contributing to the engine’s operational efficiency.

QSL9 CM850 (CM2850)

The QSL9 CM850 (CM2850) engine is another model that utilizes the 3979330 fuel supply tube. This part is critical in ensuring that the fuel is delivered smoothly and consistently to the engine components.

These engines, while varying in specifications and applications, share a common requirement for a reliable fuel supply system, which the Cummins Fuel Supply Tube 3979330 effectively provides.

Role of Part 3979330 Fuel Supply Tube in Engine Systems

The 3979330 Fuel Supply Tube is an integral component in the fuel delivery system of various engine setups. It is responsible for transporting fuel from the fuel tank to the fuel filter, ensuring a consistent and reliable fuel supply to the engine.

Integration with Plumbing

In the context of engine plumbing, the 3979330 Fuel Supply Tube connects to the fuel tank outlet and extends to the fuel filter inlet. This connection is typically secured using clamps or fittings to prevent fuel leaks and ensure a tight seal. The tube must be routed carefully to avoid interference with other engine components and to minimize the risk of damage from heat or moving parts.

Interaction with Fuel Filter

The Fuel Supply Tube plays a significant role in the fuel filtration process. It delivers fuel from the tank to the fuel filter, where contaminants are removed before the fuel reaches the engine. The consistent flow provided by the tube ensures that the fuel filter operates efficiently, maintaining clean fuel delivery to the engine.

This component is designed to withstand the pressures and temperatures within the fuel system, ensuring durable and reliable performance. Proper installation and maintenance of the 3979330 Fuel Supply Tube are essential for the overall efficiency and reliability of the engine’s fuel system.

Conclusion

The Cummins 3979330 Fuel Supply Tube is a critical component in the fuel delivery system of commercial trucks, ensuring efficient and reliable fuel transfer from the tank to the engine. Its durable construction, compatibility with various engine models, and role in maintaining engine performance and environmental efficiency make it a valuable part for vehicle operators and maintenance professionals.