4346577
Engine Fan
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,599.95 $1,903.94

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 4346577 Engine Fan is a component designed for use in commercial trucks, specifically tailored to enhance the engine cooling system. Its purpose is to maintain optimal engine temperature, which is vital for the efficient operation and longevity of the truck. This part is part of Cummins Inc.’s lineup of robust and reliable engine components, designed to meet the demanding requirements of commercial trucking.

Basic Concepts of Engine Fans

An engine fan is a mechanical device that circulates air through the engine’s cooling system. It operates by drawing air through the radiator, where the engine’s heat is transferred to the air, thus cooling the engine. The fan’s role is particularly important when the vehicle is stationary or moving at low speeds, conditions under which natural airflow is insufficient for adequate cooling 1.

Purpose of the Cummins 4346577 Engine Fan

The Cummins 4346577 Engine Fan is specifically engineered to maintain the engine’s optimal operating temperature. By ensuring efficient airflow through the radiator, it helps in dissipating heat generated by the engine. This function is important for preventing overheating, which can lead to engine damage and reduced efficiency. The fan’s design and construction are tailored to handle the rigorous demands of commercial truck engines, ensuring reliable performance under various operating conditions.

Key Features

The Cummins 4346577 Engine Fan is characterized by several key features that enhance its performance. Its design incorporates durable materials that can withstand the high temperatures and mechanical stresses typical in commercial truck engines. The fan blades are engineered for optimal airflow efficiency, and the assembly is designed for easy installation and maintenance. Additionally, the fan may include features such as a thermal clutch, which engages the fan only when necessary, thereby conserving engine power and improving fuel efficiency 2.

Benefits of Using the Cummins 4346577 Engine Fan

Utilizing the Cummins 4346577 Engine Fan offers several advantages. It contributes to improved engine efficiency by ensuring that the engine operates within its optimal temperature range. This not only enhances the engine’s performance but also extends its lifespan. The fan’s reliable operation under various conditions ensures that the truck remains operational, reducing downtime and maintenance costs.

Installation and Compatibility

Proper installation of the Cummins 4346577 Engine Fan is crucial for its effective operation. It is designed to be compatible with specific truck models, ensuring a seamless fit and function within the engine cooling system. Installation guidelines should be followed to ensure that the fan is securely mounted and properly aligned with the radiator and engine components.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4346577 Engine Fan is important for its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, ensuring that the fan blades are clean and free from obstructions, and checking the thermal clutch (if equipped) for proper operation. Common issues may include fan noise, reduced cooling efficiency, or clutch malfunction, each of which can often be addressed through routine maintenance or simple repairs 3.

Performance in Various Conditions

The Cummins 4346577 Engine Fan is designed to perform effectively under a range of operating conditions. Whether the truck is operating in extreme temperatures or under heavy-duty use, the fan is engineered to maintain efficient engine cooling. Its robust construction and design features ensure reliable performance, even in the most demanding environments.

Comparison with Other Engine Fans

When compared to engine fans from other manufacturers, the Cummins 4346577 Engine Fan stands out for its durability, efficiency, and design. While specific features and performance characteristics may vary among different models, the Cummins fan is recognized for its quality construction and reliable operation in commercial truck applications.

Customer Reviews and Feedback

Customer feedback on the Cummins 4346577 Engine Fan generally highlights its durability, efficiency, and ease of installation. Common praises include its reliable performance under demanding conditions and its contribution to engine longevity. Criticisms, when present, may relate to specific installation challenges or maintenance requirements, though these are typically outweighed by the fan’s overall performance and reliability.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the commercial truck industry, Cummins is known for its commitment to quality, innovation, and customer satisfaction. The company’s extensive product lineup and global presence underscore its leadership in the engine and power generation markets.

Cummins Engine Fan Part 4346577 Compatibility

The Cummins Engine Fan part number 4346577 is designed to fit seamlessly with a range of Cummins engines, ensuring optimal cooling and performance. This fan is engineered to provide efficient airflow, which is crucial for maintaining the engine’s operating temperature and preventing overheating.

Compatible Engines

  • 6B5.9 Series The 6B5.9 engine series benefits from the precise fit and robust design of the 4346577 engine fan. This fan is engineered to handle the specific airflow requirements of the 6B5.9, ensuring that the engine operates within its optimal temperature range.

Installation and Integration

The 4346577 engine fan is designed for straightforward installation, making it easy for technicians to integrate into the engine’s cooling system. Its compatibility with the 6B5.9 engine series ensures that it fits snugly and functions effectively, contributing to the engine’s overall reliability and longevity.

Performance and Reliability

The 4346577 engine fan is built to withstand the rigors of continuous operation, providing reliable performance even under demanding conditions. Its design ensures that it can efficiently manage the airflow necessary to keep the engine cool, thereby enhancing the engine’s efficiency and lifespan.

Role of Part 4346577 Engine Fan in Engine Systems

The part 4346577 Engine Fan is an integral component within the engine’s cooling system, working in concert with various other components to maintain optimal engine temperature and performance.

Interaction with the Cooling System Kit

The cooling system kit is designed to regulate the engine’s temperature by circulating coolant through the engine block and radiator. The part 4346577 Engine Fan enhances this system by ensuring adequate airflow across the radiator. This airflow is essential for dissipating heat from the coolant as it passes through the radiator, thereby preventing overheating. The fan’s operation is typically controlled by a thermostat or an electronic control module, which activates the fan when the engine reaches a specific temperature, ensuring that the cooling system operates efficiently under all conditions.

Synergy with the Fan

While the term “fan” is somewhat generic, in this context, it refers to the mechanical or electric fan that works in tandem with the part 4346577 Engine Fan. The primary role of this fan is to provide additional airflow when the vehicle is stationary or moving at low speeds, conditions under which the natural airflow through the radiator is insufficient. The part 4346577 Engine Fan complements this by offering a more robust and consistent airflow, especially during high-load situations or in hot ambient temperatures. This collaboration ensures that the engine maintains a stable operating temperature, which is vital for longevity and performance.

Contribution to Engine Performance

The engine relies on precise temperature management to operate efficiently and reliably. The part 4346577 Engine Fan plays a significant role in this by ensuring that the engine does not overheat. Overheating can lead to a host of issues, including reduced engine efficiency, increased wear on engine components, and in severe cases, engine failure. By maintaining optimal temperatures, the part 4346577 Engine Fan contributes to the engine’s overall performance, fuel efficiency, and durability.

Conclusion

In summary, the part 4346577 Engine Fan is a key player in the engine’s cooling system, working alongside the cooling system kit and other fan components to ensure the engine operates within its ideal temperature range. This not only enhances performance but also extends the engine’s lifespan.


  1. Arthur J Caines, Roger F Haycock and John E Hillier, Automotive Lubricants Reference Book, SAE International, 2004.

  2. Nigel Calder, Diesel Engine Care and Repair, The McGraw-Hill Companies, 2007.

  3. Pedram Asef, Sanjeevikumar Padmanaban, and Andrew Lapthorn, Modern Automotive Electrical Systems, Wiley, 2022.

SPECIFICATIONS

Package Dimensions
87.0 x 88.0 x 17.0 in
Weight
7.3 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.