4093810
Fuel Injection Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$4,999.95 $5,949.94

Oversize Item

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This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Cummins 4093810 Fuel Injection Pump is a vital component for commercial trucks, essential for the efficient operation of diesel engines. This pump is crucial to the fuel delivery system, ensuring the engine receives the precise amount of fuel for optimal performance. Its design and functionality are tailored to meet the demanding requirements of heavy-duty applications, contributing to the overall reliability and efficiency of the vehicle.

Basic Concepts of Fuel Injection Pumps

A fuel injection pump delivers fuel into the combustion chamber of a diesel engine by pressurizing it and injecting it at the precise moment and in the exact quantity required for efficient combustion 1. This process ensures that fuel is atomized and mixed with air to maximize combustion efficiency and minimize emissions. The role of the fuel injection pump is integral to maintaining the balance between fuel delivery and engine operation.

Purpose of the Cummins 4093810 Fuel Injection Pump

The Cummins 4093810 Fuel Injection Pump is designed to deliver fuel to the engine’s cylinders at the correct pressure and timing. This precise fuel delivery is vital for achieving efficient combustion, contributing to the engine’s power output and fuel efficiency. The pump’s role in the fuel delivery process is designed to enhance the overall performance and reliability of the truck’s engine.

Key Features

The Cummins 4093810 Fuel Injection Pump incorporates advanced technology for accurate fuel delivery. It is constructed from high-quality materials to withstand heavy-duty use. Additionally, it may include electronic control for precise fuel metering, enhancing engine performance and efficiency 2. These features contribute to the pump’s durability and effectiveness in demanding applications.

Benefits

The Cummins 4093810 Fuel Injection Pump offers several advantages. Improved fuel efficiency results from its precise fuel delivery, ensuring the engine operates at its most efficient point. Enhanced engine performance is another benefit, as the pump’s design allows for better combustion and power output. Reliability is also a key advantage, as the pump is built to endure the stresses of commercial truck operation, providing consistent performance over time. These benefits translate to reduced fuel costs and increased uptime for truck operators.

Troubleshooting and Maintenance

Common issues with the Cummins 4093810 Fuel Injection Pump may include leaks, inconsistent fuel delivery, or electronic control malfunctions. Troubleshooting steps may involve checking for proper installation, inspecting seals and connections, and ensuring that the electronic controls are functioning correctly. Routine maintenance practices are important for ensuring the pump’s optimal performance and longevity. This may include regular inspections, cleaning, and the replacement of worn components. Adhering to a maintenance schedule can help prevent issues and ensure the pump continues to operate efficiently.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a strong reputation for producing high-quality diesel engines and components. The company has a history of innovation and commitment to quality, reflected in its product line. Cummins is known for its dedication to advancing technology in the diesel engine sector, ensuring that its products meet the evolving needs of the market. The Cummins 4093810 Fuel Injection Pump exemplifies the company’s ongoing commitment to providing reliable and efficient solutions for commercial truck applications.

Cummins Fuel Injection Pump 4093810 Compatibility

The Cummins Fuel Injection Pump part number 4093810 is designed to ensure precise fuel delivery, essential for maintaining optimal engine performance and efficiency. Below is a detailed description of how this fuel injection pump fits with various Cummins engines.

Engine Compatibility

  • 6B5.9 Series

    • The 4093810 fuel injection pump is specifically designed to fit the 6B5.9 engines. This engine series is known for its robust performance and reliability, making it a popular choice in various industrial applications. The pump’s design ensures it can handle the high demands of these engines, providing consistent and accurate fuel delivery.
  • Other Cummins Engines

    • While the primary focus is on the 6B5.9 series, the 4093810 fuel injection pump is also compatible with other Cummins engines. This versatility makes it a valuable component for technicians and fleet managers who need to maintain a wide range of engine types. The pump’s design is engineered to meet the specific requirements of each engine model, ensuring seamless integration and reliable performance.

Installation and Integration

  • Precision Fit

    • The 4093810 fuel injection pump is engineered to fit precisely with the 6B5.9 engines. This precision ensures that the pump can be easily installed without the need for modifications, saving time and reducing the risk of errors during the installation process.
  • Compatibility with Engine Control Systems

    • The pump is designed to work seamlessly with the engine’s control systems. This compatibility ensures that the fuel injection pump can communicate effectively with the engine’s electronic control unit (ECU), allowing for precise control over fuel delivery and engine performance.
  • Durability and Reliability

    • The 4093810 fuel injection pump is built to withstand the rigors of heavy-duty use. Its durable construction ensures that it can maintain performance over long periods, even in demanding environments. This reliability is crucial for maintaining the overall health and efficiency of the engine.

Role of Part 4093810 Fuel Injection Pump in Engine Systems

The part 4093810 Fuel Injection Pump is an integral component in the fuel delivery system of an engine. It works in conjunction with several other components to ensure efficient and precise fuel delivery to the engine’s combustion chambers.

Interaction with the Fuel Pump

The fuel pump is responsible for drawing fuel from the tank and pressurizing it to the required levels. Once the fuel is pressurized, it is delivered to the fuel injection pump (part 4093810). The fuel injection pump then further pressurizes the fuel to the levels needed for injection into the engine’s cylinders. This high-pressure fuel is essential for atomizing the fuel properly, which enhances combustion efficiency and power output.

Fuel Delivery to Injectors

After the fuel is pressurized by the fuel injection pump, it is distributed to the individual fuel injectors. The fuel injection pump ensures that each injector receives a consistent and precise amount of fuel, which is critical for maintaining the engine’s performance and fuel economy. The injectors then spray the fuel into the combustion chambers at the exact moment required for optimal combustion.

Coordination with Engine Control Unit (ECU)

The Engine Control Unit (ECU) plays a significant role in the operation of the fuel injection pump. The ECU monitors various engine parameters such as engine speed, load, and temperature. Based on this data, the ECU sends signals to the fuel injection pump to adjust the fuel delivery rate accordingly. This real-time adjustment ensures that the engine operates efficiently under all conditions.

Integration with Other Engine Components

The fuel injection pump also interacts with other engine components such as the camshaft and crankshaft. In many engine designs, the fuel injection pump is driven by the camshaft or crankshaft through a series of gears or belts. This mechanical linkage ensures that the fuel injection timing is synchronized with the engine’s operation, further enhancing combustion efficiency and overall performance.

Conclusion

The Cummins 4093810 Fuel Injection Pump is a key component in the fuel delivery system, working in harmony with the fuel pump, injectors, ECU, and other engine components to ensure optimal fuel delivery and engine performance. Its precise fuel delivery, advanced features, and compatibility with various Cummins engines make it a reliable choice for maintaining the efficiency and reliability of diesel engines in commercial truck applications.


  1. Martyr, A.J. Engine Testing: Theory and Practice: Third Edition. SAE International, 2007.

  2. Bell, Joseph A. Modern Diesel Technology Electricity Electronics. Delmar Cengage Learning, 2014.

SPECIFICATIONS

Package Dimensions
17.32 x 17.32 x 18.9 in
Weight
30.86 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.