Dorman 620-644 Engine Cooling Fan Assembly

Overview of Dorman Engine Cooling Fan Assembly 620-644

The Dorman Engine Cooling Fan Assembly 620-644 is designed specifically for Buick Park Avenue models, providing reliable engine cooling performance. This assembly includes dual fans and a durable plastic shroud to ensure efficient airflow and temperature regulation.

• Motor Type: Brushed motor for consistent operation
• Fan Quantity: Dual fan setup for enhanced cooling
• Shroud Included: Yes, made from black plastic for durability
• Blade Material: Plastic blades designed for optimal airflow
• Connector Quantity: Two male connectors with two terminals each
• Package Contents: Complete radiator fan assembly

Detailed Product Description

The Dorman 620-644 engine cooling fan assembly is engineered to meet the cooling demands of the Buick Park Avenue. Featuring a brushed motor type, this assembly ensures steady and reliable fan operation. The dual fan configuration improves heat dissipation by increasing airflow through the radiator. The included black plastic shroud helps direct airflow efficiently while protecting the fan blades. Both fan blades and shroud are constructed from durable plastic materials to resist corrosion and wear. The assembly comes with two male connectors, each with two terminals, facilitating straightforward electrical connections during installation.

Compatible Applications and Common Issues Addressed

This engine cooling fan assembly is compatible with Buick Park Avenue vehicles requiring a replacement radiator fan assembly. It is designed to address several common cooling system problems, including:

• Overheating due to faulty or worn fan motors
• Reduced airflow caused by damaged or missing fan blades
• Cooling inefficiency from broken or missing shrouds
• Electrical connection failures affecting fan operation
• Excessive engine temperature leading to performance issues

Installation Notes and Tips

When installing the Dorman 620-644 fan assembly, ensure the vehicle is powered off and cooled down. Disconnect the battery before removing the old fan assembly. Verify the connector types and terminal counts match the vehicle’s wiring harness. Properly align the plastic shroud to the radiator to maximize airflow efficiency. Tighten all mounting points securely to prevent vibration or noise during operation. Testing the fan operation before completing installation is recommended to confirm electrical connections.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The 620-644 engine cooling fan assembly undergoes quality checks to ensure durability and reliable performance in Buick Park Avenue vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.