4063850
Fuel Pump Gear
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

Introduction

The Cummins 4063850 Fuel Pump Gear is a component designed for use in the fuel systems of commercial trucks. It plays a role in the efficient operation of the fuel pump by ensuring the precise delivery of fuel to the engine. This gear is integral to maintaining the performance and reliability of the truck’s fuel system, contributing to overall engine efficiency and longevity 1.

Function and Operation

The Cummins 4063850 operates within the fuel system by engaging with the fuel pump’s drive mechanism. It works in conjunction with other components such as the fuel pump cam and the fuel delivery valve. The gear’s rotation drives the fuel pump, which in turn pressurizes the fuel and delivers it to the engine’s injectors. This process is vital for maintaining consistent fuel pressure and flow, which are necessary for optimal engine performance 2.

Key Features

This Cummins part is characterized by its robust design and high-quality materials. It is crafted from durable materials to withstand the high stresses and pressures within the fuel system. The gear’s precise machining ensures smooth operation and reliable engagement with other fuel system components. These design and material characteristics contribute to the gear’s performance and durability 3.

Benefits

The Cummins 4063850 offers several advantages. It contributes to improved fuel efficiency by ensuring that the fuel pump operates smoothly and consistently. The gear’s reliable performance enhances the overall reliability of the fuel system. Additionally, it is designed to be compatible with Cummins engines, ensuring seamless integration and operation within these systems.

Installation and Maintenance

Proper installation of the Cummins 4063850 involves following manufacturer guidelines to ensure it is correctly positioned and secured within the fuel pump assembly. Regular maintenance, including inspection for wear and proper lubrication, is recommended to ensure the gear’s longevity and optimal performance. Adhering to these practices helps prevent issues and maintains the efficiency of the fuel system.

Troubleshooting Common Issues

Typical problems associated with Fuel Pump Gears may include noise, decreased fuel pressure, or engine performance issues. Diagnostic steps may involve inspecting the gear for wear, checking the fuel pump’s operation, and ensuring there are no obstructions in the fuel system. Solutions may range from cleaning and lubrication to replacement of worn components. Professional assistance should be sought for complex issues or when the gear requires replacement 4.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins serves commercial, industrial, and transportation markets. The company is known for its commitment to developing reliable and efficient power solutions, including a wide range of components for diesel engines used in commercial trucks. Cummins’ reputation in the industry is built on its dedication to quality, performance, and customer satisfaction.

Cummins Fuel Pump Gear 4063850 Compatibility

The Cummins Fuel Pump Gear part number 4063850 is designed to fit seamlessly with several engine models, ensuring optimal performance and reliability. This part is integral to the fuel delivery system, facilitating the movement of fuel from the tank to the engine.

Compatible Engines

  • 4B3.9: This engine model benefits from the precision engineering of the 4063850 Fuel Pump Gear, ensuring efficient fuel delivery and maintaining engine performance.

  • 6B5.9: Similarly, the 6B5.9 engine is equipped to utilize the 4063850 Fuel Pump Gear, providing a reliable solution for fuel management in this engine series.

The 4063850 Fuel Pump Gear is crafted to meet the specific requirements of these engines, ensuring compatibility and performance across the board. This part is essential for maintaining the integrity of the fuel system, contributing to the overall efficiency and longevity of the engine.

Role of Part 4063850 Fuel Pump Gear in Engine Systems

The part 4063850 Fuel Pump Gear is an integral component in the efficient operation of various engine systems. It is specifically designed to work in conjunction with the fuel pump and fuel pump coupling to ensure optimal performance.

Interaction with the Fuel Pump

The fuel pump gear is responsible for transferring rotational energy from the engine’s drive mechanism to the fuel pump. This transfer is essential for the fuel pump to generate the necessary pressure to deliver fuel to the engine’s combustion chambers. The precise engagement of the fuel pump gear with the fuel pump ensures a consistent and reliable fuel supply, which is vital for engine performance and efficiency.

Coordination with the Fuel Pump Coupling

The fuel pump coupling acts as an intermediary between the fuel pump gear and the fuel pump itself. The fuel pump gear engages with the coupling, which then transmits the rotational force to the fuel pump. This setup allows for smooth and efficient operation, minimizing wear and tear on both the gear and the pump. The coupling also provides a degree of flexibility, accommodating minor misalignments and reducing the stress on the components during operation.

Overall System Integration

In the broader context of the engine system, the fuel pump gear plays a significant role in maintaining the balance between fuel delivery and engine demand. Its interaction with the pump and coupling ensures that the fuel system operates harmoniously with other engine components, such as the injectors and carburetor (if applicable). This integration is key to achieving optimal fuel efficiency, power output, and overall engine reliability.

Importance in Fuel Delivery

Efficient fuel delivery is paramount for engine performance. The fuel pump gear, by ensuring the fuel pump operates at the correct speed and pressure, directly influences how fuel is delivered to the engine. This, in turn, affects combustion efficiency, emissions, and the overall smoothness of engine operation.

Conclusion

In summary, the part 4063850 Fuel Pump Gear is a fundamental component in the fuel delivery system, working in tandem with the fuel pump and fuel pump coupling to ensure the engine receives the precise amount of fuel it needs for efficient and reliable operation.


  1. Singh, D. K. (2024). Dictionary of Mechanical Engineering. Springer Nature.

  2. Hilgers, M. (2022). Transmissions and Drivetrain Design. Springer Vieweg.

  3. Hilgers, M. (2023). Chassis and Axles. Springer Vieweg.

  4. Cummins Inc. (n.d.). Fault Code Troubleshooting Manual. Bulletin Number 6318183.

SPECIFICATIONS

Notes
Service Through Komatsu
Package Dimensions
8.4 x 7.9 x 2.25 in
Weight
11.63 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.