3935332
Engine Fan
Cummins®

The Cummins 3935332 Engine Cooling Fan is designed to maintain the optimal operating temperature of commercial truck engines, ensuring longevity and efficiency, especially under demanding conditions ¹.

Basic Concepts of Engine Cooling Fans

Engine cooling fans are essential for the thermal management system of vehicles. They draw air through the radiator to dissipate heat generated by the engine, maintaining it within the optimal temperature range for efficient operation and preventing overheating ².

Purpose of the Cummins 3935332 Engine Cooling Fan

This Cummins part is engineered to enhance the cooling efficiency of commercial truck engines by increasing airflow through the radiator, which is crucial during idling or low-speed operations where natural airflow is insufficient ³.

Key Features

The 3935332 is constructed with durable materials to withstand heavy-duty applications. Its design includes a robust frame and high-efficiency blades, optimized for maximum airflow with minimal noise. It is engineered to integrate seamlessly with Cummins engines, ensuring compatibility and efficient performance.

Benefits

This part offers several advantages, including improved engine efficiency by maintaining optimal operating temperatures, leading to better fuel economy. It also reduces the risk of overheating, enhancing engine durability. The fan’s design ensures reliable performance under various operating conditions.

Installation Process

Installing the 3935332 involves several steps to ensure proper functionality. Begin by disconnecting the battery to prevent electrical issues. Next, remove the old fan and clean the mounting area. Install the new fan according to the manufacturer’s instructions, ensuring all connections are secure. Finally, reconnect the battery and test the fan to confirm it operates correctly.

Troubleshooting Common Issues

Common issues with the 3935332 may include noise, vibration, or insufficient cooling. To address these problems, first, inspect the fan for any visible damage or loose connections. Ensure the fan is properly aligned and balanced. If noise or vibration persists, check for obstructions in the airflow path. Insufficient cooling may require a thorough inspection of the entire cooling system, including the radiator and thermostat.

Maintenance Tips

To prolong the lifespan and ensure consistent performance of the 3935332, regular maintenance is recommended. This includes periodic inspection for signs of wear or damage, cleaning the fan and radiator to remove debris, and lubricating moving parts as necessary. Additionally, monitoring the engine’s temperature can help identify potential issues before they become critical.

Performance Under Various Conditions

The 3935332 is designed to perform effectively under a range of operating conditions. In extreme temperatures or heavy-duty applications, it maintains efficient cooling, ensuring the engine operates within its optimal temperature range. Adjustments may be necessary in certain environments to optimize performance, such as modifying the fan speed or adding additional cooling components.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a strong reputation in the industry, Cummins is committed to producing high-quality components that meet the demanding needs of commercial and industrial applications.

Compatibility with Cummins Engines

The Engine Cooling Fan part number 3935332 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal cooling performance. This part is compatible with the following engine models:

• 4B3.9: This engine model benefits from the 3935332 cooling fan, which helps maintain the engine’s temperature within the optimal range, ensuring efficient operation and longevity.

• 6B5.9: The 3935332 cooling fan is also suitable for the 6B5.9 engine, providing reliable cooling and contributing to the engine’s overall performance and durability.

• B5.9 GAS PLUS CM556: This engine model, which includes the B5.9 GAS PLUS CM556 variant, is another beneficiary of the 3935332 cooling fan. The fan’s design ensures that the engine operates at the correct temperature, enhancing its efficiency and lifespan.

The 3935332 cooling fan is engineered to fit these engines with precision, ensuring that it integrates smoothly into the engine’s cooling system. Its compatibility with these specific models underscores Cummins’ commitment to providing high-quality, reliable parts that meet the needs of their customers.

Role of Part 3935332 Engine Cooling Fan in Engine Systems

The 3935332 Engine Cooling Fan is an integral component in maintaining the thermal equilibrium of the engine. Its primary function is to facilitate the dissipation of heat generated by the engine, ensuring that the engine operates within its optimal temperature range.

Interaction with the Fan

The Engine Cooling Fan, identified by part number 3935332, works in conjunction with the vehicle’s cooling system to enhance airflow across the radiator. This increased airflow aids in the efficient transfer of heat from the coolant to the surrounding air, thereby preventing overheating. The fan is typically activated either mechanically via a belt-driven system or electrically through a thermostatic switch, depending on the vehicle’s design and the specific requirements of the engine system.

Contribution to Engine Performance

Effective cooling is essential for the longevity and performance of the engine. The Engine Cooling Fan plays a significant role in this by:

• Maintaining Optimal Temperature: Ensures that the engine does not exceed its maximum operating temperature, which could lead to reduced efficiency and potential damage.
• Enhancing Efficiency: By keeping the engine cool, the fan helps maintain the viscosity of the engine oil, which is vital for lubrication and reducing friction between moving parts.
• Supporting Combustion: A well-cooled engine operates more efficiently, allowing for better fuel combustion and reduced emissions.

Integration with Other Components

The Engine Cooling Fan operates in harmony with other components of the cooling system, such as the radiator, thermostat, and water pump. The radiator acts as a heat exchanger, transferring heat from the coolant to the air. The thermostat regulates the flow of coolant based on engine temperature, while the water pump circulates the coolant through the engine and radiator. The fan augments this process by providing additional airflow when the vehicle is stationary or moving at low speeds, conditions under which natural airflow is insufficient.

Conclusion

In summary, the 3935332 Engine Cooling Fan is a vital element in the engine’s cooling system, working alongside other components to ensure the engine remains within its optimal operating temperature, thereby enhancing performance and longevity.