3819393
Fuel Supply Tube
Cummins®

The Cummins 3819393 Fuel Supply Tube is a component designed for use in the fuel systems of heavy-duty trucks. It plays a role in ensuring the efficient and reliable delivery of fuel to the engine, which is important for the overall performance and longevity of the vehicle.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube is a conduit that transports fuel from the fuel tank to the engine. Its function within the fuel system is to provide a consistent and uninterrupted flow of fuel, which is necessary for the engine’s combustion process. The proper operation of a truck’s engine relies on the fuel supply tube to deliver the correct amount of fuel at the right pressure and timing ¹.

Purpose of the Cummins 3819393 Fuel Supply Tube

This Cummins part is integral to the fuel delivery system. It ensures a steady supply of fuel to the engine, which is important for maintaining engine performance under various operating conditions. By providing a reliable fuel pathway, it contributes to the engine’s ability to operate efficiently and effectively.

Key Features

This part is constructed from materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its performance, such as precise engineering to ensure a proper fit and connection within the fuel system. These attributes contribute to the tube’s ability to withstand the demands of heavy-duty truck applications ².

Benefits of Using the Cummins 3819393 Fuel Supply Tube

Utilizing this part can lead to improved fuel efficiency, as it is designed to maintain a consistent fuel flow. Its reliability is enhanced by its construction and design, which are tailored to the specific requirements of Cummins engines. This compatibility ensures that the fuel supply tube works seamlessly with the engine, contributing to overall system efficiency.

Installation and Compatibility

When installing this part, it is important to follow the manufacturer’s guidelines to ensure proper fitment and function. Compatibility with various Cummins engine models is a key consideration, as the tube is engineered to meet the specific demands of these engines.

Maintenance and Troubleshooting

Regular maintenance of this part includes inspection for signs of wear, leaks, or damage. Common issues may involve blockages or connections that require tightening. Troubleshooting tips can help identify and resolve problems that may affect the tube’s performance, ensuring that the fuel system operates optimally.

Safety Considerations

When working with the fuel supply system and this part, it is important to observe safety practices. This includes ensuring that the fuel system is depressurized before any work is performed and using appropriate personal protective equipment. These precautions help prevent accidents and ensure safe operation.

Cummins Overview

Cummins Inc. is a well-established manufacturer of diesel engines and related technologies. With a history of innovation and a reputation for quality, Cummins provides components like the 3819393 Fuel Supply Tube that are designed to meet the rigorous demands of heavy-duty applications. The company’s commitment to excellence is reflected in the performance and reliability of its products ³.

Cummins Fuel Supply Tube (Part 3819393) Compatibility

The Cummins Fuel Supply Tube, identified by part number 3819393, is a component in the fuel delivery system of various engines. This part is designed to ensure the efficient and reliable transfer of fuel from the fuel tank to the engine’s fuel injection system.

L10 MECHANICAL Engines

The L10 MECHANICAL engine series, known for its robust design and durability, incorporates the Cummins Fuel Supply Tube (3819393) as a key part of its fuel management system. This tube is engineered to withstand the high pressures and demanding conditions typical of these engines, ensuring consistent fuel flow and performance.

The integration of the Fuel Supply Tube in the L10 MECHANICAL engines is seamless, aligning with the engine’s overall design philosophy of reliability and efficiency. This part is important for maintaining the engine’s operational integrity, as it directly impacts the fuel delivery mechanism, which is vital for the engine’s performance and longevity.

By using the Cummins Fuel Supply Tube (3819393) in the L10 MECHANICAL engines, users can expect a dependable fuel supply system that supports the engine’s operational demands, contributing to overall engine efficiency and performance.

Role of Part 3819393 Fuel Supply Tube in Fuel Plumbing Systems

The part 3819393 Fuel Supply Tube is an integral component within the fuel plumbing system of various engine setups. Its primary function is to facilitate the smooth and consistent delivery of fuel from the fuel tank to the engine’s fuel injection system or carburetor.

In fuel-injected engines, the Fuel Supply Tube connects to the fuel pump, which pressurizes the fuel, and then routes it to the fuel rail. The fuel rail distributes the pressurized fuel to each injector, which sprays it into the combustion chamber in a fine mist. This ensures that the air-fuel mixture is optimal for combustion, enhancing engine performance and efficiency.

For carbureted engines, the Fuel Supply Tube delivers fuel from the tank to the carburetor. The carburetor then mixes the fuel with air before the mixture enters the engine’s cylinders. This component ensures that the carburetor receives a steady supply of fuel, which is important for maintaining the correct air-fuel ratio and ensuring smooth engine operation.

In both systems, the Fuel Supply Tube must be durable and resistant to fuel, as it is constantly exposed to various types of fuel, including gasoline and diesel. It must also be able to withstand the pressure fluctuations within the fuel system.

Additionally, the Fuel Supply Tube often incorporates features such as filters or strainers to prevent contaminants from entering the fuel system, which could otherwise cause damage to sensitive components like fuel injectors or carburetor jets.

Overall, the seamless integration of the Fuel Supply Tube within the fuel plumbing system is important for the reliable and efficient operation of the engine.

Conclusion

The Cummins 3819393 Fuel Supply Tube is a vital component in the fuel systems of heavy-duty trucks, ensuring efficient and reliable fuel delivery to the engine. Its durable construction, precise engineering, and compatibility with Cummins engines contribute to enhanced engine performance and system efficiency. Regular maintenance and adherence to safety practices are essential for optimal operation and longevity of the fuel supply system.