3928599
Fuel Injection Pump
Cummins®

DISCONTINUED

Cummins®

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

The Cummins 3928599 Fuel Injection Pump is a vital component in the operation of commercial trucks, playing a significant role in the fuel delivery system. This pump ensures that fuel is delivered to the engine cylinders at precise timing and pressure, which is essential for the efficient and effective operation of diesel engines.

Basic Concepts of Fuel Injection Pumps

A fuel injection pump is a device that pressurizes fuel and delivers it to the engine’s combustion chambers. In diesel engines, the pump operates by creating high-pressure fuel that is injected into the cylinders at specific intervals, igniting the fuel-air mixture. The principles of fuel injection involve precise timing and pressure to optimize combustion efficiency. There are two primary types of fuel injection systems: mechanical and electronic. Mechanical systems rely on physical components and cam-driven mechanisms to control fuel delivery, while electronic systems use sensors and computer controls for more precise management of fuel injection 1.

Purpose of the Cummins 3928599 Fuel Injection Pump

The Cummins 3928599 Fuel Injection Pump is designed to deliver fuel to the engine cylinders with exact timing and pressure. This ensures that the fuel is atomized properly upon injection, leading to efficient combustion. The pump’s role is to maintain consistent fuel delivery, which is essential for the engine’s performance and fuel efficiency.

Key Features

The Cummins 3928599 Fuel Injection Pump features a robust design with high-quality components that ensure durability and reliability. Its construction includes precision-machined parts and advanced materials that withstand the high pressures and temperatures of diesel fuel injection. Unique characteristics of this pump include its ability to deliver fuel with high accuracy and its integration with Cummins engines for optimal performance 2.

Benefits

Using the Cummins 3928599 Fuel Injection Pump offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered at the right pressure and timing. This results in more complete combustion and reduced fuel consumption. Additionally, the pump enhances engine performance by providing consistent fuel delivery, which leads to smoother operation and increased power output. Reliability is another significant benefit, as the pump is designed to operate under demanding conditions with minimal maintenance 3.

Installation and Integration

Proper installation of the Cummins 3928599 Fuel Injection Pump is essential for its effective operation. Before installation, ensure that the fuel system is clean and free of contaminants. Follow the manufacturer’s guidelines for mounting the pump, connecting fuel lines, and securing all components. Integration into the truck’s fuel system requires careful attention to detail to ensure that all connections are tight and that the pump is aligned correctly with the engine’s camshaft.

Troubleshooting Common Issues

Common problems with the Cummins 3928599 Fuel Injection Pump may include leaks, irregular fuel delivery, and performance issues. To troubleshoot these problems, begin by inspecting the fuel lines and connections for leaks. Check the pump’s timing and ensure that it is aligned correctly with the engine’s camshaft. If irregular fuel delivery is detected, examine the injectors and fuel filter for blockages or contamination. Performance issues may require a more detailed diagnosis, including checking the pump’s internal components for wear or damage.

Maintenance Tips

Regular maintenance is key to ensuring the longevity and optimal performance of the Cummins 3928599 Fuel Injection Pump. Inspect the pump and its components at recommended intervals, typically every 50,000 miles or as specified by the manufacturer. Clean the fuel filter regularly to prevent contamination, and replace wear parts such as seals and gaskets as needed. Additionally, perform a thorough inspection of the fuel lines and connections to ensure they are secure and free of leaks.

Safety Considerations

When working with the Cummins 3928599 Fuel Injection Pump, it is important to follow safety guidelines to protect yourself and others. Handle fuel with care, as it is flammable and can be harmful if ingested or if it comes into contact with skin. Manage high-pressure systems by relieving pressure before disconnecting any lines or components. Ensure proper ventilation during maintenance tasks to avoid inhaling fuel vapors. Always wear appropriate personal protective equipment, including gloves and safety glasses, when performing maintenance or repairs.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and components, with a long-standing reputation for innovation and quality in the automotive industry. Founded in 1919, Cummins has consistently delivered reliable and high-performance products. The company is committed to advancing technology and improving the efficiency and sustainability of diesel engines. Cummins’ extensive range of products and services underscores its dedication to meeting the needs of commercial vehicle operators worldwide.

Cummins Fuel Injection Pump 3928599 Compatibility

The Cummins Fuel Injection Pump part number 3928599 is a critical component for the proper functioning of several diesel engines, ensuring efficient fuel delivery and combustion. This part is designed to fit seamlessly with various engine models, enhancing performance and reliability.

Engine Compatibility

  • 6B5.9 Series

    • The 6B5.9 engine series benefits significantly from the 3928599 fuel injection pump. This part is engineered to match the specific requirements of the 6B5.9 engines, ensuring optimal fuel injection timing and pressure. Its compatibility with this engine series is well-documented, making it a reliable choice for maintenance and repairs.
  • Other Cummins Engines

    • Beyond the 6B5.9 series, the 3928599 fuel injection pump is also compatible with a range of other Cummins engines. This versatility allows for broader application across different engine models, providing a standardized solution for various diesel engines.

Installation and Performance

  • Precision Fit

    • The 3928599 fuel injection pump is designed with precision to ensure a perfect fit with the specified engine models. This precision is crucial for maintaining the integrity of the fuel system and preventing leaks or inefficiencies.
  • Enhanced Performance

    • When installed correctly, the 3928599 fuel injection pump enhances the overall performance of the engine. It ensures that the fuel is delivered at the right time and pressure, contributing to smoother operation and improved fuel efficiency.

Reliability and Durability

  • High-Quality Manufacturing

    • Cummins is renowned for its high-quality manufacturing processes, and the 3928599 fuel injection pump is no exception. This part is built to withstand the rigors of continuous operation, providing long-lasting reliability.
  • Compatibility with Cummins Engines

    • The 3928599 fuel injection pump is specifically designed to work with Cummins engines, ensuring compatibility and performance that meet the brand’s standards. This makes it a trusted choice for technicians and engine owners alike.

Role of Part 3928599 Fuel Injection Pump in Engine Systems

The part 3928599 Fuel Injection Pump is an integral component in the fuel delivery system of an engine, working in concert with several other components to ensure optimal engine performance.

When the engine is started, the base fuel pump draws fuel from the tank and delivers it to the fuel injection pump. The fuel injection pump, identified by part number 3928599, then pressurizes the fuel to a high level required for injection into the engine’s combustion chambers.

This pressurized fuel is then delivered to the fuel injectors, which are responsible for spraying atomized fuel into the combustion chambers at precise moments in the engine cycle. The timing and quantity of fuel injection are controlled by the engine’s electronic control unit (ECU), which receives input from various sensors to make real-time adjustments.

The fuel injection pump also interacts with the fuel return system. Excess fuel not injected into the combustion chambers is returned to the fuel tank via the fuel return line, maintaining a consistent fuel pressure within the system.

Additionally, the fuel injection pump is connected to the engine’s camshaft through a drive mechanism. This mechanical linkage ensures that the fuel injection timing is synchronized with the engine’s operation, enhancing efficiency and reducing emissions.

In summary, the part 3928599 Fuel Injection Pump plays a significant role in the fuel delivery process, ensuring that the engine receives the correct amount of pressurized fuel at the right time, thereby contributing to overall engine performance and efficiency.

Conclusion

The Cummins 3928599 Fuel Injection Pump is a critical component in the fuel delivery system of diesel engines, ensuring precise timing and pressure for efficient combustion. Its robust design, compatibility with various Cummins engines, and high-quality manufacturing contribute to its reliability and performance. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the benefits of this part.


  1. Ling, Frederick F. The Automotive Body. Springer Science, 2011.

  2. Hu, Haoran, Rudy Smaling, and Simon Baseley. Heavy-Duty Wheeled Vehicles. SAE International, 2014.

  3. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

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SPECIFICATIONS

Service Part Topic
98T0-3
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Notes
Recon equivalent 3928599 RX
Package Dimensions
21.6 x 17.0 x 12.75 in
Weight
29 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.