4063386
Fuel Pump Gear
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,199.95 $1,427.94

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 4063386 Fuel Pump Gear is a critical component in the fuel systems of commercial trucks, designed to facilitate the efficient delivery of fuel to the engine. This part is integral to the operation of the fuel pump, contributing to the overall efficiency and effectiveness of the truck’s fuel system.

Basic Concepts of Fuel Pump Gears

A fuel pump gear is a mechanical component within a fuel pump that regulates the flow of fuel from the tank to the engine. It operates by meshing with other gears or components within the pump, converting rotational motion into the pressure needed to move fuel through the system. The proper functioning of fuel pump gears is vital for maintaining consistent fuel pressure and flow, which are essential for engine performance 1.

Purpose of the Cummins 4063386 Fuel Pump Gear

The Cummins 4063386 Fuel Pump Gear contributes to the regulation of fuel pressure and flow in a truck’s fuel system. It works in conjunction with other components within the fuel pump to ensure that fuel is delivered to the engine at the correct pressure and volume. This gear’s design and function are tailored to meet the demands of Cummins engines, enhancing their performance and efficiency.

Key Features

The Cummins 4063386 Fuel Pump Gear is characterized by several key features that enhance its performance and durability. Its design is engineered to withstand the high pressures and demands of commercial truck fuel systems. The materials used in its construction are selected for their strength and resistance to wear, ensuring long-lasting operation. Additionally, the gear may feature unique characteristics such as precision machining and specialized coatings to further improve its performance and reliability.

Benefits of Using Cummins 4063386 Fuel Pump Gear

Utilizing the Cummins 4063386 Fuel Pump Gear offers several advantages. It contributes to improved fuel efficiency by ensuring that fuel is delivered to the engine at the optimal pressure and flow rate. This gear’s reliability is enhanced by its robust design and high-quality materials, reducing the likelihood of failures and maintenance issues. Furthermore, its compatibility with Cummins engines ensures seamless integration and performance, making it a preferred choice for truck operators and maintenance professionals.

Troubleshooting Common Issues

Common issues associated with the Cummins 4063386 Fuel Pump Gear may include leaks, unusual noise, or performance problems. Identifying these issues early can prevent more significant problems down the line. For leaks, checking the gear’s seals and connections for wear or damage is recommended. Unusual noise may indicate misalignment or wear on the gear teeth, requiring inspection and possible adjustment or replacement. Performance issues could be due to a variety of factors, including fuel quality or other components within the fuel system, necessitating a thorough evaluation to pinpoint the cause 2.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 4063386 Fuel Pump Gear, regular maintenance is advised. This includes periodic inspection for signs of wear or damage, cleaning to remove any contaminants that could affect performance, and lubrication to reduce friction and wear. Following the manufacturer’s guidelines for maintenance intervals and procedures can help maintain the gear’s efficiency and reliability.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the commercial truck industry. Its product offerings are designed to meet the demanding requirements of commercial applications, providing customers with reliable and efficient power solutions.

Understanding the Role of Part 4063386 Fuel Pump Gear in Engine Systems

The 4063386 Fuel Pump Gear is an essential component in the fuel delivery system of an engine. It works in conjunction with several other components to ensure the efficient operation of the fuel pump and, by extension, the engine itself.

Integration with Fuel Pump Mounting

The fuel pump mounting is the foundation upon which the fuel pump assembly is secured within the fuel tank. This Cummins part interacts directly with the fuel pump, transferring rotational energy from the fuel pump motor to the fuel pump impeller or gerotor. This transfer of energy is vital for the impeller or gerotor to create the necessary pressure to move fuel from the tank to the engine.

Role in Fuel Delivery

As the gear rotates, it drives the fuel pump mechanism, which pressurizes the fuel and sends it through the fuel lines to the engine’s fuel injectors. The consistent and reliable operation of the 4063386 Fuel Pump Gear ensures that the fuel pump can maintain the required pressure levels, which is essential for the injectors to atomize the fuel properly. This atomization is key to achieving efficient combustion within the engine cylinders.

Interaction with Fuel Filter

The fuel filter is another component that works in tandem with the fuel pump gear. As fuel is pressurized and moves through the system, the filter screens out impurities and contaminants. The gear’s reliable operation ensures a steady flow of fuel to the filter, allowing it to perform its function without interruption.

Contribution to Fuel Pressure Regulator

Downstream from the fuel filter, the fuel pressure regulator plays a role in maintaining consistent fuel pressure within the system. The 4063386 Fuel Pump Gear’s performance directly affects the regulator’s ability to modulate pressure, as any inconsistency in gear operation could lead to fluctuations in fuel pressure.

Impact on Fuel Injectors

Fuel injectors rely on a consistent supply of pressurized fuel to operate correctly. The 4063386 Fuel Pump Gear’s role in driving the fuel pump ensures that injectors receive the precise amount of fuel needed for combustion. This precision is fundamental to the engine’s performance, fuel efficiency, and emissions output.

Conclusion

In summary, the Cummins 4063386 Fuel Pump Gear is a pivotal element in the fuel delivery system, ensuring that all interconnected components function harmoniously to deliver optimal engine performance. Its role in converting rotational motion into the necessary linear motion for the fuel pump is essential for the engine’s performance and efficiency. Regular maintenance and timely troubleshooting of common issues can help maintain the gear’s efficiency and reliability, contributing to the overall performance of Cummins engines.


  1. Bonneau, D., Fatu, A., & Souchet, D. (2014). Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings. Wiley-ISTE.

  2. Quigley, J. M. (2023). SAE International’s Dictionary of Testing, Verification and Validation. SAE International.

SPECIFICATIONS

Notes
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Package Dimensions
10.0 x 2.2 x 9.9 in
Weight
14.75 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.
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