4063844
Fuel Injection Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$4,599.95 $5,473.94

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

The Cummins 4063844 Fuel Injection Pump Assembly is a vital component in the operation of commercial trucks. Cummins, a well-established name in the automotive industry, is renowned for its high-quality diesel engine components. This particular fuel injection pump assembly is designed to enhance the efficiency and performance of diesel engines used in commercial vehicles.

Basic Concepts of Fuel Injection Pump Assembly

Fuel injection pump assemblies are integral to the operation of diesel engines. They work by pressurizing fuel and delivering it to the engine’s combustion chambers at precise moments. This process ensures optimal fuel atomization and combustion, which are essential for engine efficiency and power output. The assembly typically includes components such as the pump body, plungers, and control mechanisms, all of which work together to regulate fuel delivery 1.

Role of the 4063844 Fuel Injection Pump Assembly in Truck Operation

This Cummins part plays a significant role in the engine system of a commercial truck. It is responsible for delivering fuel to the engine’s combustion chambers under high pressure. This precise fuel delivery contributes to efficient combustion, which in turn enhances engine performance. The assembly’s ability to maintain consistent fuel pressure and timing is crucial for the overall operation and reliability of the truck’s engine.

Key Features of the 4063844 Fuel Injection Pump Assembly

The 4063844 is characterized by several key features. It is constructed using high-quality materials that ensure durability and resistance to wear. The assembly is precision-engineered to meet stringent performance standards. Additionally, it is designed to integrate seamlessly with other engine components, ensuring smooth operation and compatibility within the engine system.

Benefits of Using the 4063844 Fuel Injection Pump Assembly

Utilizing this part offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the engine in an optimal manner. This results in more complete combustion and reduced fuel consumption. Furthermore, the assembly enhances engine performance by providing consistent and precise fuel delivery. Its robust construction and reliable operation make it suitable for demanding operating conditions, ensuring longevity and dependability.

Troubleshooting and Maintenance Suggestions

To maintain the optimal performance of the 4063844, regular maintenance is recommended. Common issues may include fuel leaks, inconsistent fuel delivery, or engine misfires. Diagnostic procedures should involve checking for proper fuel pressure, inspecting for leaks, and ensuring that all components are functioning correctly. Regular maintenance practices, such as cleaning and inspecting the assembly, can help prevent issues and ensure continued reliable operation 2.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer of diesel engines and related technologies. With a rich history in the automotive industry, Cummins has built a reputation for producing high-quality, reliable components. The company is committed to innovation and excellence, ensuring that its products, including the 4063844, meet the highest standards of performance and durability. Cummins’ dedication to quality and customer satisfaction has made it a trusted name in the industry.

Cummins Fuel Injection Pump Assembly 4063844 Compatibility

The Cummins Fuel Injection Pump Assembly part number 4063844 is designed to fit seamlessly with a variety of engine models, ensuring optimal performance and reliability. This part is engineered to meet the stringent demands of modern diesel engines, providing precise fuel delivery and efficient combustion.

Engine Compatibility

  • 6B5.9 Series

    • The 4063844 is specifically tailored for the 6B5.9 engines. This engine series is known for its robust construction and high performance, making it a popular choice in various industrial and commercial applications. The compatibility ensures that the pump assembly can handle the specific fuel requirements and operational conditions of the 6B5.9 engines.
  • Grouped Engine Models

    • The 4063844 part is also compatible with other Cummins engine models within the same performance and operational range as the 6B5.9 series. This includes engines that share similar design characteristics and fuel injection needs. By grouping these engines, the fuel injection pump assembly can be used across multiple models, providing a versatile solution for engine maintenance and upgrades.

Installation and Performance

  • Precision Engineering

    • The Cummins Fuel Injection Pump Assembly 4063844 is designed with precision engineering to ensure a perfect fit and seamless integration with the engine. This precision is critical for maintaining the engine’s performance and efficiency, as any misalignment or improper fit can lead to suboptimal fuel delivery and potential engine damage.
  • Reliability and Durability

    • Built to withstand the rigors of continuous operation, the 4063844 part is made from high-quality materials that ensure long-lasting performance. This reliability is essential for maintaining the engine’s operational integrity and reducing the need for frequent maintenance or replacements.

Application Considerations

  • Industrial and Commercial Use

    • The 4063844 is ideal for use in industrial and commercial settings where reliability and performance are paramount. Its compatibility with the 6B5.9 series and similar engines makes it a preferred choice for applications requiring consistent and efficient fuel delivery.
  • Maintenance and Upgrades

    • For engine maintenance and upgrades, the 4063844 part offers a straightforward and effective solution. Its compatibility with multiple engine models simplifies the process of replacing or upgrading fuel injection components, ensuring that the engine continues to operate at peak efficiency.

Role of Part 4063844 Fuel Injection Pump Assembly in Engine Systems

The Part 4063844 Fuel Injection Pump Assembly is integral to the efficient operation of modern engine systems. It works in conjunction with several key components to ensure optimal fuel delivery and engine performance.

Integration with the Base Fuel Pump

The Base Fuel Pump serves as the initial stage in the fuel delivery process, drawing fuel from the tank and pressurizing it. The Fuel Injection Pump Assembly then takes over, further pressurizing the fuel to the levels required for injection into the combustion chambers. This assembly ensures that the fuel is delivered at the precise moment and in the exact quantity needed for efficient combustion.

Coordination with Fuel Injectors

Fuel Injectors are responsible for spraying atomized fuel into the engine’s cylinders. The Fuel Injection Pump Assembly provides the necessary high-pressure fuel to these injectors, ensuring a consistent and reliable spray pattern. This precise fuel delivery enhances combustion efficiency and reduces emissions.

Interaction with the Engine Control Unit (ECU)

The Engine Control Unit (ECU) monitors various engine parameters and adjusts the fuel delivery accordingly. The Fuel Injection Pump Assembly receives signals from the ECU to modulate fuel pressure and flow. This dynamic interaction allows for real-time adjustments, optimizing engine performance under varying conditions.

Role in Common Rail Systems

In Common Rail Fuel Systems, the Fuel Injection Pump Assembly contributes to maintaining a constant high-pressure fuel reservoir. This setup allows for more precise control over fuel injection timing and quantity, leading to improved engine efficiency and reduced noise.

Contribution to Turbocharged Engines

In Turbocharged Engines, the Fuel Injection Pump Assembly must deliver fuel under higher pressures to match the increased air intake. This ensures that the fuel-air mixture remains optimal, supporting the engine’s higher power output and efficiency.

By seamlessly integrating with these components, the Part 4063844 Fuel Injection Pump Assembly plays a significant role in enhancing the overall performance, efficiency, and reliability of engine systems.

Conclusion

The Cummins 4063844 Fuel Injection Pump Assembly is a critical component for the efficient operation of diesel engines in commercial trucks. Its precision engineering, reliability, and compatibility with various engine models make it an essential part for maintaining engine performance and efficiency. Regular maintenance and proper installation ensure that this part continues to deliver optimal fuel delivery, contributing to the overall reliability and performance of the engine system.


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

  2. Sclar, Deanna. Auto Repair for Dummies: 2nd Edition. For Dummies, 2008.

SPECIFICATIONS

Package Dimensions
25.6 x 16.3 x 12.63 in
Weight
34.95 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.