3973141
Oil Drain Connection
Cummins®

The Fuel Supply Tube 3973141, manufactured by Cummins, is a critical component in the operation of heavy-duty trucks. Cummins, a renowned name in the automotive industry, particularly in diesel engines and components, produces this tube to ensure efficient fuel delivery in truck fuel systems. The 3973141 Fuel Supply Tube is designed to enhance the performance and reliability of heavy-duty truck engines.

Basic Concepts of Fuel Supply Tubes

A Fuel Supply Tube is a component within a truck’s fuel system responsible for transporting fuel from the fuel tank to the engine. It operates by maintaining a consistent fuel flow, ensuring that the engine receives the necessary fuel for combustion. The efficiency of this component directly influences the overall performance of the truck’s engine ¹.

Purpose of the 3973141 Fuel Supply Tube

This Cummins part plays a specific role in the operation of a truck by facilitating the efficient delivery of fuel to the engine. It is designed to withstand the pressures and temperatures within the fuel system, ensuring a steady and reliable fuel supply. This consistent fuel delivery contributes to the engine’s performance, allowing it to operate efficiently under various conditions ².

Key Features

The 3973141 Fuel Supply Tube is characterized by several key features that enhance its performance and durability. It is constructed from high-quality materials, ensuring resistance to corrosion and wear. The design of the tube includes precise engineering to maintain fuel flow efficiency. Additionally, it features connections that are compatible with various fuel system components, ensuring seamless integration into the truck’s fuel system.

Benefits

This Cummins part offers several benefits, including improved fuel efficiency and reliability. Its design and material composition contribute to a more consistent fuel delivery, which can lead to better engine performance. Additionally, the tube’s durability ensures long-term use, reducing the need for frequent replacements ³.

Installation and Compatibility

Proper installation of the 3973141 Fuel Supply Tube is crucial for its effective operation. It is important to follow manufacturer guidelines to ensure compatibility with specific truck models and engine types. Careful attention to installation procedures helps maintain the integrity of the fuel system and ensures optimal performance of the tube.

Maintenance and Troubleshooting

Regular maintenance of the 3973141 Fuel Supply Tube is recommended to ensure its longevity and optimal performance. This includes checking for signs of wear or damage and ensuring 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.

Safety Considerations

When handling, installing, or maintaining the 3973141 Fuel Supply Tube, it is important to observe safety guidelines. This includes working in a well-ventilated area, wearing appropriate personal protective equipment, and following all manufacturer safety recommendations to ensure the safety of personnel and the proper functioning of the vehicle.

Cummins Overview

Cummins Inc. is a leading manufacturer in the automotive industry, with a strong reputation for producing high-quality diesel engines and components. Founded with a commitment to innovation and excellence, Cummins has expanded its product range to include a variety of engine types and automotive components, maintaining a position of authority in the industry.

Cummins Fuel Supply Tube Part 3973141

The Cummins Fuel Supply Tube part number 3973141 is a critical component in the fuel delivery system of several Cummins 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.

Application in Cummins Engines

• QSB5.9 CM850: This part is integral to the QSB5.9 CM850 engine, facilitating the smooth operation of the fuel supply mechanism. It ensures that the engine receives a consistent fuel flow, which is essential for maintaining optimal performance and efficiency.

The Fuel Supply Tube part 3973141 is engineered to withstand the rigors of continuous operation, providing durability and reliability in demanding environments. Its precise fit and function are crucial for the overall performance of the engine, ensuring that the fuel delivery system operates without interruptions or inefficiencies.

Role of Part 3973141 Fuel Supply Tube in Engine Systems

The part 3973141 Fuel Supply Tube is an integral component in the fuel delivery system of an engine. It is responsible for transporting fuel from the fuel tank to the carburetor or fuel injectors, ensuring a consistent and reliable fuel supply to the engine.

Interaction with the Breather

The breather system in an engine allows for the release of pressure build-up within the crankcase. While the Fuel Supply Tube does not directly interact with the breather, both systems contribute to the overall efficiency and performance of the engine. A well-functioning fuel supply ensures optimal combustion, which in turn reduces the pressure within the crankcase that the breather needs to manage.

Relationship with the Crankcase

The crankcase houses the crankshaft and connecting rods, and it plays a significant role in the lubrication and cooling of these components. The Fuel Supply Tube, by ensuring a steady fuel flow, supports the engine’s combustion process. Efficient combustion leads to smoother operation of the crankshaft and connecting rods, reducing wear and tear within the crankcase. Additionally, proper fuel supply helps maintain the correct air-fuel ratio, which is essential for the engine’s performance and longevity.

Conclusion

In summary, the part 3973141 Fuel Supply Tube, though distinct in its function, works in harmony with other engine components like the breather and crankcase to ensure the engine operates efficiently and reliably. Its role in maintaining a consistent fuel supply is crucial for the overall performance and longevity of heavy-duty truck engines.