3928148
Fuel Injection Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$6,299.95 $7,496.94

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 3928148 Fuel Injection Pump is a vital component in the fuel delivery system of commercial trucks. It ensures that the engine receives the precise amount of fuel needed for efficient combustion. This part is integral to maintaining the performance and reliability of diesel engines used in heavy-duty applications.

Basic Concepts of Fuel Injection Pumps

A fuel injection pump is designed to deliver pressurized fuel to the engine’s combustion chambers. It operates by drawing fuel from the tank, pressurizing it, and injecting it into the engine at the correct time and in the right quantity. In diesel engines, the fuel injection pump plays a significant role in the combustion process, directly influencing engine performance and 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 to optimize fuel injection based on engine conditions and requirements 1.

Purpose of the Cummins 3928148 Fuel Injection Pump

The Cummins 3928148 Fuel Injection Pump is responsible for delivering pressurized fuel to the engine’s combustion chambers. It ensures that fuel is injected at the precise moment and in the exact amount required for optimal combustion. This precise fuel delivery enhances engine performance, improves fuel efficiency, and reduces emissions.

Key Features

The Cummins 3928148 Fuel Injection Pump is engineered with several key features that enhance its performance and reliability. Its design incorporates high-quality materials to withstand the rigors of heavy-duty use. The pump features advanced technological components that ensure accurate fuel delivery and efficient operation. Additionally, it is built to meet stringent industry standards, ensuring compatibility and performance across various engine models.

Benefits

The Cummins 3928148 Fuel Injection Pump offers several benefits, including improved fuel efficiency, enhanced engine performance, and increased reliability. By ensuring precise fuel delivery, it helps to optimize combustion, leading to better fuel economy and reduced emissions. The pump’s robust construction and advanced features contribute to its durability and long service life, making it a valuable component for commercial truck operations.

Installation and Integration

Installing the Cummins 3928148 Fuel Injection Pump requires careful consideration of compatibility with the truck’s engine model and integration with other fuel system components. Proper installation involves following manufacturer guidelines to ensure the pump is correctly aligned and securely mounted. It is also important to verify that all connections are tight and that the pump is properly synced with the engine’s fuel system to ensure optimal performance.

Troubleshooting and Maintenance

Common issues with the Cummins 3928148 Fuel Injection Pump may include fuel delivery inconsistencies, leaks, or pump failure. Diagnostic procedures involve checking for proper fuel pressure, inspecting connections for leaks, and ensuring the pump is functioning within specified parameters. Regular maintenance, such as cleaning fuel filters, checking for wear on pump components, and ensuring proper lubrication, can help prevent issues and ensure the pump operates efficiently over time.

Performance and Efficiency

The Cummins 3928148 Fuel Injection Pump contributes significantly to the overall performance and efficiency of the truck. By ensuring precise fuel delivery, it helps to optimize combustion, leading to improved fuel economy and increased power output. The pump’s efficient operation reduces the likelihood of engine knocking and other performance issues, enhancing the truck’s reliability and productivity.

Safety Considerations

When working with the Cummins 3928148 Fuel Injection Pump, it is important to observe safety protocols and precautions. This includes handling high-pressure fuel systems with care to avoid leaks and ensuring that electrical components are properly managed to prevent short circuits or fires. Following manufacturer guidelines and using appropriate personal protective equipment (PPE) are essential practices to ensure safety during installation, maintenance, and troubleshooting.

Cummins Company Overview

Cummins Inc. is a renowned manufacturer in the automotive industry, known for its commitment to innovation and quality. With a rich history of producing reliable and high-performance engine components, Cummins has established a strong reputation for excellence. The company’s dedication to advancing fuel injection technology is evident in its product lineup, which includes the Cummins 3928148 Fuel Injection Pump. Cummins continues to lead the industry with its focus on developing cutting-edge solutions that enhance engine efficiency and reliability.

Cummins Fuel Injection Pump 3928148 Compatibility

The Cummins Fuel Injection Pump part number 3928148 is a critical component for several engine models, ensuring precise fuel delivery and optimal engine performance. This part is designed to fit seamlessly with the following engines:

  • 6B5.9 Series Engines

The 6B5.9 series engines are known for their robust design and reliability, often used in heavy-duty applications. The Cummins Fuel Injection Pump 3928148 is engineered to integrate smoothly with these engines, providing the necessary fuel management for efficient operation.

This part is essential for maintaining the performance and longevity of the 6B5.9 engines, ensuring that they operate at peak efficiency under various conditions.

Role of Part 3928148 Fuel Injection Pump in Engine Systems

The Part 3928148 Fuel Injection Pump is an integral component in the fuel delivery system of an engine, working in conjunction with other key components to ensure efficient and precise fuel delivery.

Integration with Base Fuel Pump

The Base Fuel Pump serves as the initial stage in the fuel delivery process, responsible for drawing fuel from the tank and delivering it to the injection pump under low pressure. The Part 3928148 Fuel Injection Pump then takes over, increasing the pressure of the fuel to the levels required for injection into the engine’s combustion chambers. This high-pressure fuel is then distributed to the injectors, which atomize the fuel for optimal combustion. The seamless interaction between the Base Fuel Pump and the Fuel Injection Pump ensures a consistent and reliable fuel supply, which is essential for the engine’s performance and efficiency 2.

Compatibility with Bosch Injection Pump

When integrated with a Bosch Injection Pump, the Part 3928148 Fuel Injection Pump enhances the overall fuel injection system’s precision and reliability. Bosch Injection Pumps are known for their advanced technology and high performance, and the Part 3928148 complements this by providing the necessary high-pressure fuel. This combination allows for more accurate fuel metering and timing, leading to improved engine performance, reduced emissions, and increased fuel efficiency. The Bosch Injection Pump’s electronic control unit (ECU) works in tandem with the Fuel Injection Pump to monitor and adjust fuel delivery in real-time, ensuring optimal engine operation under varying conditions 3.

Conclusion

The Cummins 3928148 Fuel Injection Pump is a critical component in the fuel delivery system of commercial trucks, ensuring precise fuel delivery and optimal engine performance. Its advanced features, robust construction, and compatibility with various engine models make it a valuable asset for heavy-duty applications. Proper installation, regular maintenance, and adherence to safety protocols are essential for maximizing the performance and longevity of this part.


  1. Miedema, S. A., & Lu, Z. (2010). The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema.

  2. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

  3. Lakshminarayanan, P. A., & Aghav, Y. V. (2010). Modelling Diesel Combustion. Springer Science.

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SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Comments
Recon equivalent 3928148 RX
Package Dimensions
21.6 x 17.0 x 12.75 in
Weight
49.8 lbs
* 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.