Dorman 621-585 Engine Cooling Fan Blade

Overview of Dorman Engine Cooling Fan Blade 621-585

The Dorman 621-585 engine cooling fan blade is designed specifically for Ford Explorer and Mercury Mountaineer models. Engineered to maintain optimal engine temperature, this cooling fan blade ensures reliable airflow and efficient cooling performance.

• 11 durable plastic blades with forward align fin design
• 460 mm blade diameter for effective air movement
• 2.5 mm blade thickness for strength and durability
• Steel hub with 62 mm depth and 82.5 mm bolt circle diameter
• Clockwise rotation with puller airflow type
• Maximum operating speed of 3500 RPM
• Available in black or white finish
• Standard replacement grade for dependable performance

Detailed Product Description

The Dorman 621-585 engine cooling fan blade features 11 plastic blades arranged in a forward align fin pattern, optimized for pulling air through the radiator to maintain engine temperature. With a blade diameter of 460 mm and a thickness of 2.5 mm, the fan blade balances airflow efficiency and structural integrity. The steel hub, measuring 62 mm in depth and featuring an 82.5 mm bolt circle diameter, provides a secure mounting base. Designed for clockwise rotation and puller airflow, this fan blade operates at a maximum speed of 3500 RPM, suitable for the cooling demands of Ford Explorer and Mercury Mountaineer vehicles. The fan blade is available in black or white finish to match your vehicle’s engine bay aesthetics.

Compatible Vehicles and Applications

This engine cooling fan blade is compatible with the following vehicles:

• Ford Explorer
• Mercury Mountaineer

It is intended as a direct replacement for the original equipment fan blade, helping to resolve cooling system issues and maintain proper engine temperature.

Common Issues Addressed by This Cooling Fan Blade

• Overheating caused by inefficient airflow
• Damaged or cracked fan blades reducing cooling performance
• Excessive engine temperature during idle or low-speed driving
• Noise or vibration from worn or unbalanced fan blades
• Failure of original fan blade due to wear or impact

Installation Notes and Tips

• Ensure the fan blade is installed with clockwise rotation as specified
• Verify bolt circle diameter of 82.5 mm matches vehicle hub
• Use appropriate tools to avoid damaging the plastic blades during installation
• Check for proper clearance between fan blade and radiator or shroud
• Mounting hardware is not included; reuse original hardware or source compatible bolts

Quality Assurance and Warranty

The Dorman 621-585 engine cooling fan blade is manufactured to meet standard replacement grade specifications, ensuring reliable performance and durability. Constructed with a steel hub and high-quality plastic blades, this fan blade is designed to withstand typical operating conditions. While specific warranty details are not provided, Dorman products generally come with a limited warranty against defects in materials and workmanship.