4941161
Fuel Supply Tube
Cummins®

The 4941161 Fuel Supply Line is a component manufactured by Cummins, a well-established name in the automotive industry, particularly in the realm of heavy-duty trucks. This Cummins part is integral to the operation of heavy-duty trucks, ensuring that fuel is efficiently delivered from the tank to the engine. Understanding its role and functionality is key to maintaining optimal truck performance.

Basic Concepts of Fuel Supply Lines

A fuel supply line is a conduit that facilitates the transfer of fuel from the storage tank to the engine. Its primary function within a truck’s fuel system is to maintain a consistent flow of fuel, which is essential for efficient engine operation. The line operates under pressure, regulated by the fuel pump, to ensure that the engine receives the precise amount of fuel needed for combustion. This consistent fuel delivery is vital for the engine’s performance, efficiency, and overall reliability ¹.

Purpose of the 4941161 Fuel Supply Line

The 4941161 Fuel Supply Line serves a specific role in the operation of a truck by delivering fuel from the tank to the engine. This component is designed to withstand the pressures and temperatures associated with fuel transport, ensuring that the engine receives a steady supply of fuel for combustion. Its efficient design contributes to the overall performance and reliability of the truck’s engine.

Key Features

The 4941161 is characterized by several key features that enhance its performance and durability. Constructed from high-quality materials, it is designed to resist corrosion and wear, ensuring longevity. Its design includes features that facilitate easy installation and maintenance, while also providing optimal fuel flow. These characteristics contribute to the line’s efficiency and reliability in demanding operating conditions.

Benefits

Utilizing the 4941161 offers several benefits. It contributes to improved fuel efficiency by ensuring a consistent and clean fuel supply to the engine. Enhanced engine performance is another advantage, as the line’s design supports optimal fuel delivery. Additionally, the line’s durability and reliability increase the overall trustworthiness of the truck’s fuel system, reducing the likelihood of unexpected failures.

Installation Process

Installing the 4941161 requires careful attention to detail to ensure proper function and safety. The process involves disconnecting the old line, preparing the new line for installation, and securing it in place with the appropriate fittings. Tools such as wrenches and fuel line connectors may be required. It is important to follow manufacturer guidelines to ensure a successful installation, including checking for leaks and proper connection integrity.

Maintenance Tips

To ensure the 4941161 operates at peak efficiency, regular maintenance is recommended. This includes inspecting the line for signs of wear, corrosion, or leaks, and replacing it if necessary. Maintenance intervals should be aligned with the manufacturer’s recommendations or based on the truck’s operating conditions. Keeping the fuel supply line clean and free from obstructions also contributes to its longevity and performance.

Troubleshooting Common Issues

Common issues with the 4941161 may include leaks, blockages, or reduced fuel flow. Troubleshooting these problems involves inspecting the line for physical damage, ensuring connections are secure, and checking for obstructions within the line. Addressing these issues promptly can prevent more serious problems and ensure the truck’s engine operates efficiently.

Safety Considerations

When working with the 4941161, it is important to follow safety precautions to prevent accidents. This includes working in a well-ventilated area, avoiding smoking or open flames near fuel lines, and wearing appropriate personal protective equipment. Additionally, ensuring the truck’s engine is off and the fuel system is depressurized before beginning work can help prevent fuel spills and other hazards.

Environmental Impact

The use and disposal of the 4941161 have environmental considerations. Efforts to minimize its environmental footprint include designing the line for durability to reduce the frequency of replacements and ensuring that any waste or old parts are disposed of in an environmentally responsible manner. Cummins is committed to reducing the environmental impact of its products through innovation and sustainable practices.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves customers in approximately 190 countries and territories through a network of company-owned and independent distributor facilities. The company’s commitment to excellence is reflected in its diverse product offerings and its focus on sustainability and efficiency in the automotive industry.

Cummins Engine Compatibility with Fuel Supply Line Part 4941161

The Cummins Fuel Supply Line part number 4941161 is designed to integrate seamlessly with several Cummins engine models, ensuring efficient fuel delivery and system integrity. This part is crucial for maintaining the operational efficiency of the engines it is compatible with.

QSB3.3 CM2150 Engines

The QSB3.3 CM2150 engine series is one of the many models that benefit from the use of the Cummins Fuel Supply Line part 4941161. This part is engineered to fit precisely within the engine’s fuel system architecture, facilitating smooth fuel flow from the tank to the engine. Its compatibility with the QSB3.3 CM2150 ensures that the engine operates at optimal performance levels, reducing the risk of fuel-related issues.

Other Cummins Engines

While the QSB3.3 CM2150 is highlighted, the Cummins Fuel Supply Line part 4941161 is also compatible with a broader range of Cummins engines. This part’s design allows it to be a versatile component across various engine models, ensuring that fuel supply lines are consistent and reliable across different engine types. Its application extends to engines that require precise fuel management to maintain efficiency and performance.

Role of Part 4941161 Fuel Supply Line in Engine Systems

The part 4941161 is an essential component in the fuel system of an engine, facilitating the delivery of fuel from the fuel tank to the fuel injectors or carburetor. Its role can be understood in the context of various engine systems and components:

Fuel System Integration

• Fuel Tank: The fuel supply line connects to the fuel tank, where it draws fuel through a fuel pump. This connection ensures a continuous supply of fuel under pressure to meet the engine’s demands.

• Fuel Pump: Positioned either inside the fuel tank or in the fuel line, the fuel pump pressurizes the fuel. The fuel supply line transports this pressurized fuel to subsequent components.

Fuel Delivery to Combustion Components

• Fuel Filter: Before reaching the engine, fuel passes through a fuel filter. The fuel supply line ensures that clean, filtered fuel is delivered, preventing contaminants from entering the engine.

• Fuel Injectors: In modern engines, the fuel supply line delivers fuel to the fuel injectors. These injectors spray atomized fuel into the combustion chambers, where it mixes with air and ignites.

• Carburetor: In older or simpler engine systems, the fuel supply line feeds fuel into the carburetor. The carburetor then mixes fuel with air before the mixture enters the combustion chamber.

Supporting Engine Performance

• Fuel Rail: In fuel-injected engines, the fuel supply line connects to the fuel rail, which distributes fuel to individual injectors. This setup allows for precise fuel delivery and improved engine performance.

• Return Line: Some fuel systems include a return line that sends excess fuel back to the tank. The fuel supply line plays a part in this circuit by ensuring that only the required amount of fuel is delivered to the engine.

Safety and Efficiency

• Pressure Regulator: The fuel supply line may connect to a pressure regulator, which maintains consistent fuel pressure within the system. This ensures efficient fuel delivery and protects engine components from damage due to excessive pressure.

• Evaporative Emissions Control System: The fuel supply line interacts with components of the evaporative emissions control system, helping to manage fuel vapors and reduce environmental impact.

Conclusion

In summary, the part 4941161 is integral to the efficient and safe operation of an engine’s fuel system. It ensures that fuel is delivered under the right conditions to support combustion and overall engine performance.