Dorman 620-814 Engine Cooling Fan Assembly

Reliable Engine Cooling Fan Assembly for Mazda CX-5

The Dorman 620-814 engine cooling fan assembly is designed specifically for Mazda CX-5 models, providing efficient cooling performance to maintain optimal engine temperature. This electrical fan assembly features dual fans and a durable plastic shroud to ensure consistent airflow and reliable operation.

Key Features of Dorman 620-814 Cooling Fan Assembly

• 12-volt brushed motor for dependable electrical operation
• Dual 330 mm diameter fans with forward align fin blades for effective cooling
• Includes a black plastic shroud for protection and airflow direction
• Counterclockwise fan rotation with 5 blades on fan one and 7 blades on fan two
• Two male terminals and connectors for secure electrical connections
• 5 mm shaft diameter with flat side on shaft for proper fitment
• Compatible with Mazda CX-5 models requiring this specific fan assembly

Detailed Description of the Dorman 620-814 Fan Assembly

This engine cooling fan assembly from Dorman is engineered to meet the cooling demands of the Mazda CX-5. Featuring a 12V brushed motor, the assembly powers two 330 mm diameter fans equipped with plastic forward align fin blades that optimize airflow through the radiator. The included black plastic shroud helps direct air efficiently while protecting the fan blades. The counterclockwise rotation and blade count (5 on the first fan, 7 on the second) are designed to match OEM specifications, ensuring proper cooling performance. Electrical connections are facilitated by two male terminals and connectors, providing a secure and reliable fit. The 5 mm shaft diameter with a flat side ensures correct installation and alignment within the vehicle’s cooling system.

Common Issues Addressed by This Cooling Fan Assembly

• Overheating caused by faulty or worn cooling fans
• Reduced airflow due to damaged or inefficient fan blades
• Electrical failures in the fan motor affecting cooling performance
• Noise or vibration from imbalanced or damaged fan components
• Cooling system inefficiency leading to engine temperature fluctuations

Installation Notes and Tips

• Ensure vehicle is off and cooled down before installation
• Disconnect the battery to prevent electrical shorts during replacement
• Verify the flat side on the shaft aligns correctly with the mounting point
• Check all electrical connectors for secure fit and corrosion-free contacts
• Inspect the radiator and surrounding components for damage or debris before installing

Quality Assurance and Warranty Information

Dorman provides this engine cooling fan assembly with quality standards that meet or exceed OEM requirements. The part number 620-814 is manufactured using durable materials including plastic blades and shroud to ensure longevity. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.