4088866
Fuel Pump
Cummins®

The Cummins 4088866 Fuel Pump is a component designed for use in commercial trucks. It serves the purpose of delivering fuel from the tank to the engine, ensuring that the engine receives the necessary fuel for combustion. This part is significant in the operation of commercial trucks as it contributes to the efficient and reliable performance of the vehicle’s engine ¹.

Basic Concepts of Fuel Pumps

A fuel pump is a device that moves fuel from the fuel tank to the engine. It functions within an engine system by maintaining the required fuel pressure and flow rate for optimal engine performance. There are different types of fuel pumps, including mechanical, electric, and high-pressure pumps, each with specific applications and operational characteristics ².

Role of the Cummins 4088866 Fuel Pump in Truck Operation

This Cummins part plays a specific role in the fuel delivery system of a truck. It ensures consistent fuel pressure and flow, which are critical for the engine’s combustion process. By maintaining the appropriate fuel pressure, the pump helps in achieving efficient fuel atomization and combustion, which in turn supports the engine’s power output and fuel efficiency ³.

Key Features of the Cummins 4088866 Fuel Pump

The Cummins 4088866 Fuel Pump is characterized by its robust design and the use of high-quality materials. These features contribute to its performance and durability. The pump may incorporate unique technological aspects, such as advanced sealing mechanisms or precision-machined components, which enhance its ability to deliver fuel efficiently and reliably under various operating conditions ⁴.

Benefits of Using the Cummins 4088866 Fuel Pump

The use of this part offers several advantages. It contributes to improved fuel efficiency by ensuring that the engine receives a consistent and adequate fuel supply. The pump’s reliable operation supports the overall performance and longevity of the engine. Additionally, it is designed to be compatible with specific engine types, ensuring seamless integration and operation within the intended vehicle systems.

Troubleshooting Common Issues with Fuel Pumps

Identifying and addressing common problems associated with fuel pumps is important for maintaining vehicle performance. Symptoms of fuel pump failure may include engine misfires, difficulty starting, or a decrease in fuel efficiency. Diagnostic procedures may involve checking the fuel pressure, inspecting electrical connections, and testing the pump’s operation. Potential solutions could range from cleaning or replacing filters to repairing or replacing the pump itself.

Maintenance Tips for Fuel Pumps

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the Cummins 4088866 Fuel Pump. This includes periodic inspection of the pump and its components, checking for signs of wear or damage, and ensuring that all connections are secure and free from corrosion. Adhering to manufacturer-recommended maintenance schedules can help prevent unexpected failures and extend the service life of the pump.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins has a history of innovation and quality, providing reliable and efficient power solutions for various applications. The company’s product range includes engines, components, and technologies that are designed to meet the demanding requirements of commercial and industrial applications.

Cummins Fuel Pump 4088866 Compatibility with Engine Models

The Cummins Fuel Pump part number 4088866 is designed to fit a variety of engine models. Here is a detailed breakdown of its compatibility:

ISC Series Engines

• ISC CM2150
• ISC CM850
• ISC8.3 CM2250

The ISC series engines, including the ISC CM2150, ISC CM850, and ISC8.3 CM2250, are compatible with the Cummins Fuel Pump 4088866. These engines are known for their robust performance and reliability, often used in heavy-duty applications.

ISL Series Engines

• ISL CM2150
• ISL9 CM2150 SN
• ISL9 CM2250

The ISL series engines, such as the ISL CM2150, ISL9 CM2150 SN, and ISL9 CM2250, also support the use of the Cummins Fuel Pump 4088866. These engines are widely recognized for their efficiency and power, making them suitable for a range of industrial and commercial applications.

QSC and QSL Series Engines

• QSC8.3 CM850 (CM2850)
• QSC9 CM2250 / QSL9 CM2250
• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM850 (CM2850)

The QSC and QSL series engines, including the QSC8.3 CM850 (CM2850), QSC9 CM2250 / QSL9 CM2250, QSL8.9 CM2150 L141, QSL9 CM2250, QSL9 CM2350 L102, and QSL9 CM850 (CM2850), are also compatible with the Cummins Fuel Pump 4088866. These engines are engineered for high performance and are often used in demanding environments where reliability is crucial.

This compatibility ensures that the Cummins Fuel Pump 4088866 can be seamlessly integrated into a wide range of engine models, providing a reliable fuel delivery system across different applications.

Role of Part 4088866 Fuel Pump in Engine Systems

The 4088866 Fuel Pump is integral to the efficient operation of various engine systems, ensuring that fuel is delivered under the precise pressure and flow required for optimal performance. When integrated with the Fuel Injection Pump, this fuel pump maintains a consistent fuel supply, which is essential for the injection pump to atomize fuel effectively into the combustion chamber.

In conjunction with the Fuel Pump Assembly, the 4088866 ensures that all components within the assembly function harmoniously. This assembly typically includes filters, regulators, and sensors that monitor fuel quality and pressure, all of which rely on the pump’s consistent performance.

The Fuel Pump Mounting system secures the 4088866 in place, providing stability and reducing vibrations that could affect fuel delivery. Proper mounting is essential for the longevity and reliability of the fuel pump.

When maintenance or repairs are necessary, the Fuel Pump Repair Kit often includes components compatible with the 4088866. This kit may contain seals, gaskets, and other small parts that ensure the pump continues to operate efficiently after wear and tear.

In the XPI JV System Cummins MR, the 4088866 Fuel Pump plays a significant role in the high-pressure fuel system. This system requires the pump to deliver fuel at extremely high pressures to support the common rail injection system, which in turn enhances engine performance and fuel efficiency.

Overall, the 4088866 Fuel Pump is a foundational component that supports the intricate dance of fuel delivery, pressure regulation, and engine performance across these systems.

Conclusion

The Cummins 4088866 Fuel Pump is a critical component in the fuel delivery system of commercial trucks, ensuring efficient and reliable engine performance. Its robust design, compatibility with various engine models, and integration with other engine systems make it a valuable asset for maintaining vehicle efficiency and longevity.