4063382
Fan Pulley
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$229.95 $273.64

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 4063382 Fan Pulley is a component designed for use in commercial trucks. Its purpose is to facilitate the operation of the engine cooling system, ensuring that the engine maintains an optimal operating temperature under various driving conditions.

Basic Concepts of a Fan Pulley

A fan pulley is a mechanical device that drives the engine cooling fan. It is connected to the engine’s crankshaft via a belt. The pulley’s role is to transfer rotational force from the engine to the fan, which in turn moves air through the radiator to cool the engine. The efficiency of this transfer is important for maintaining the engine’s temperature within a safe range 1.

Purpose of the Cummins 4063382 Fan Pulley

This Cummins part plays a role in the engine cooling system by ensuring that the cooling fan operates efficiently. It helps in maintaining optimal engine temperature by allowing the fan to spin at the correct speed in relation to engine RPM. This is particularly important in heavy-duty applications where the engine may be under significant load 2.

Key Features

The 4063382 is characterized by its robust design and the materials used in its construction. It is built to withstand the rigors of commercial truck operation. The pulley is typically made from high-strength materials to ensure durability and longevity. It may also feature a design that reduces noise and vibration, contributing to a smoother engine operation.

Benefits of Using the Cummins 4063382 Fan Pulley

Utilizing this part can lead to improved engine efficiency as it ensures that the cooling system operates at peak performance. The pulley’s durable construction contributes to the overall reliability of the cooling system, reducing the likelihood of unexpected failures. Additionally, its efficient design can contribute to fuel savings by allowing the engine to run at optimal temperatures 3.

Installation Process

Installing the 4063382 requires careful attention to ensure proper function. The process involves removing the old pulley, aligning the new pulley with the crankshaft, and securing it in place. Tools such as a socket wrench may be required. It is important to follow the manufacturer’s instructions to ensure correct installation.

Common Issues and Troubleshooting

Fan pulleys can encounter issues such as noise, vibration, or failure to engage. These problems may be due to wear and tear, misalignment, or belt issues. Troubleshooting steps may include inspecting the pulley and belt for damage, ensuring proper alignment, and replacing worn components as necessary.

Maintenance Tips

Regular maintenance of the 4063382 is important for its longevity and efficient operation. This includes checking the pulley and belt for signs of wear, ensuring proper tension on the belt, and addressing any issues promptly. Keeping the pulley clean and free from debris can also contribute to its efficient operation.

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 a broad product range, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance components.

Compatibility with Cummins Engines

This part is designed to fit a range of Cummins engines, ensuring efficient operation and cooling. It is compatible with the following engines:

  • 6C8.3: The Fan Pulley is engineered to work seamlessly with the 6C8.3 engine, providing the necessary cooling for optimal performance.

  • QSC8.3 CM850 (CM2850) and QSL8.9 CM2150 L141: These engines benefit from the Fan Pulley’s precise fit, ensuring that the cooling system operates efficiently. The part is designed to handle the specific demands of these models.

  • QSC9 CM2250/QSL9 CM2250 and QSL9 CM850 (CM2850): The Fan Pulley is also compatible with these engines, providing a reliable and durable solution for maintaining the cooling system’s efficiency.

The Fan Pulley’s design ensures it fits snugly and operates smoothly across these engine models, contributing to the overall reliability and performance of the engines.

Role of Part 4063382 Fan Pulley in Engine Systems

The 4063382 Fan Pulley is an integral component in the efficient operation of engine systems, particularly in managing the drive and fan components.

When the engine is operational, the 4063382 Fan Pulley is responsible for transferring rotational force from the engine’s crankshaft to the fan. This transfer is achieved through a belt that loops around the pulley and the fan. The pulley’s design ensures a secure grip on the belt, minimizing slippage and maximizing the transfer of power.

As the pulley rotates, it drives the fan, which is essential for maintaining optimal engine temperature. The fan pulls air through the radiator, cooling the engine coolant as it circulates. This cooling process is vital for preventing engine overheating, which can lead to severe damage.

The efficiency of the 4063382 Fan Pulley in this system is dependent on its precise fit and smooth operation. Any irregularities in the pulley can lead to inefficient belt operation, reduced cooling efficiency, and potential engine strain. Therefore, the pulley must be in optimal condition to ensure the smooth functioning of both the drive and fan components within the engine system.

Conclusion

The Cummins 4063382 Fan Pulley is a critical component in the engine cooling system of commercial trucks. Its robust design, compatibility with various Cummins engines, and role in maintaining optimal engine temperature make it an essential part for ensuring the efficient and reliable operation of heavy-duty engines.


  1. Maclaurin, Bruce. High Speed Off-Road Vehicles. Wiley, 2018.

  2. Carroll, Douglas R. Energy Efficiency of Vehicles. SAE International, 2020.

  3. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

SPECIFICATIONS

Comments
Available Through Komatsu.
Package Dimensions
10.0 x 10.0 x 5.63 in
Weight
9.4 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.