4941064
Fuel Pump
Cummins®

Introduction

The Cummins 4941064 Fuel Pump Assembly is a vital component in the operation of heavy-duty trucks. It ensures a consistent and adequate supply of fuel to the engine, designed to meet the demanding requirements of heavy-duty applications and providing reliable performance under various driving conditions ¹.

Basic Concepts of Fuel Pump Assemblies

Fuel pump assemblies are integral to the fuel delivery system in vehicles, transferring fuel from the tank to the engine. There are two main types: mechanical and electric. Mechanical fuel pumps are driven by the engine’s camshaft, while electric fuel pumps are powered by the vehicle’s electrical system. Consistent fuel pressure and flow are essential for optimal engine performance, and fuel pump assemblies are designed to maintain these parameters ².

Purpose of the 4941064 Fuel Pump Assembly

The Cummins 4941064 Fuel Pump Assembly is engineered to ensure an adequate fuel supply to the engine under a range of operating conditions. It creates a consistent fuel pressure that allows the engine to function efficiently, whether the truck is idling, accelerating, or cruising at high speeds. This assembly helps maintain the engine’s performance and efficiency by delivering the precise amount of fuel required ³.

Key Features

The Cummins 4941064 Fuel Pump Assembly boasts several notable characteristics. Its design incorporates high-quality materials that enhance durability and reliability. The assembly is engineered to integrate seamlessly with other components of the fuel system, ensuring a cohesive and efficient operation. Additionally, it may feature unique technological advancements that improve its performance and longevity.

Benefits

The Cummins 4941064 Fuel Pump Assembly offers several advantages. It contributes to improved fuel efficiency by ensuring that the engine receives a consistent and adequate fuel supply. This results in enhanced engine performance, as the engine operates more efficiently with the right fuel pressure and flow. The assembly is also known for its reliability and durability, making it a robust choice for heavy-duty applications.

Installation Process

Installing the Cummins 4941064 Fuel Pump Assembly requires adherence to specific procedures to ensure optimal performance and longevity. The process involves several steps, including preparing the fuel system, mounting the assembly, connecting it to the fuel lines, and testing for leaks. Proper tools and prerequisites are necessary to complete the installation successfully. Following best practices during installation helps in achieving the desired performance and durability.

Troubleshooting Common Issues

Fuel pump assemblies can encounter various issues, such as insufficient fuel pressure, engine misfires, or difficulty starting. Identifying these problems involves diagnostic steps that may include checking fuel pressure, inspecting electrical connections, and testing the pump’s operation. Potential solutions range from cleaning or replacing filters to repairing or replacing the fuel pump assembly itself.

Maintenance Tips

Regular maintenance is key to prolonging the lifespan of the Cummins 4941064 Fuel Pump Assembly. Routine practices include inspecting the assembly for signs of wear or damage, cleaning components to prevent clogging, and replacing worn-out parts as needed. Adhering to these maintenance tips helps ensure the assembly continues to operate efficiently and reliably.

Compatibility and Applications

The Cummins 4941064 Fuel Pump Assembly is designed for use in specific truck models and engine types. Its compatibility ensures that it can be integrated into various heavy-duty truck applications, highlighting its versatility and widespread use in the industry.

Cummins Corporation Overview

Cummins Inc. is a global leader in the manufacturing of diesel engines and components. With a rich history of innovation and a strong commitment to quality, Cummins has established a reputation for producing high-performance and reliable products. The company’s global presence and dedication to advancing technology make it a trusted name in the automotive and heavy-duty truck industries.

Cummins Fuel Pump Assembly Part 4941064 Compatibility

The Cummins Fuel Pump Assembly part number 4941064 is designed to ensure efficient fuel delivery in various Cummins engines. This part is specifically engineered to fit seamlessly within the engine systems of the ISB CM850 and QSB5.9 CM850 engines.

ISB CM850

The ISB CM850 engine is a robust and reliable power unit, often utilized in heavy-duty applications. The Fuel Pump Assembly part 4941064 is meticulously designed to integrate with the ISB CM850’s fuel system, ensuring optimal performance and longevity. This part is crucial for maintaining the engine’s fuel pressure and flow, which are essential for its efficient operation.

QSB5.9 CM850

Similarly, the QSB5.9 CM850 engine benefits from the precise engineering of the Cummins Fuel Pump Assembly part 4941064. This part is tailored to fit the QSB5.9 CM850’s fuel system, providing the necessary fuel delivery to support the engine’s performance. The integration of this fuel pump assembly ensures that the engine operates smoothly and efficiently, meeting the demands of various applications.

Both engines, the ISB CM850 and QSB5.9 CM850, rely on the consistent and reliable performance of the Fuel Pump Assembly part 4941064. This part’s compatibility with these engines underscores Cummins’ commitment to providing high-quality components that enhance engine performance and reliability.

Role of Part 4941064 Fuel Pump Assembly in Engine Systems

The Part 4941064 Fuel Pump Assembly is an integral component within the fuel delivery system of an engine. Its primary function is to ensure a consistent and adequate supply of fuel to the engine’s combustion chambers. This assembly typically includes the fuel pump, which is responsible for drawing fuel from the tank and pressurizing it to the required levels for efficient engine operation.

When integrated into the engine system, the fuel pump assembly works in conjunction with several other components to maintain optimal fuel delivery. The fuel lines connect the assembly to the fuel tank and the fuel injectors, creating a continuous flow path. The fuel filter, often part of the assembly or closely associated, ensures that any contaminants within the fuel are removed before reaching the engine.

The pressurized fuel from the pump is then delivered to the fuel rail, which distributes it to the individual fuel injectors. These injectors spray atomized fuel into the intake manifold or directly into the combustion chambers, depending on the engine design. The fuel pump assembly must operate within precise parameters to ensure that the fuel-air mixture is correct for efficient combustion.

Additionally, the assembly often includes a fuel pressure regulator, which maintains a consistent pressure level within the fuel system. This regulator helps to prevent issues such as fuel starvation or over-fueling, both of which can adversely affect engine performance and efficiency.

In summary, the Part 4941064 Fuel Pump Assembly plays a significant role in the engine’s fuel delivery system by ensuring that fuel is properly pressurized and filtered before it reaches the combustion chambers, thereby contributing to the overall efficiency and performance of the engine.

Conclusion

The Cummins 4941064 Fuel Pump Assembly is a critical component for ensuring efficient and reliable fuel delivery in heavy-duty truck engines. Its design, compatibility with specific engine models, and the role it plays in maintaining optimal fuel pressure and flow make it an essential part of the fuel system. Regular maintenance and proper installation are key to maximizing its performance and longevity.