Dorman 620-354 Engine Cooling Fan Blade

Reliable Engine Cooling Fan Blade for Efficient Vehicle Cooling

The Dorman 620-354 engine cooling fan blade is designed to maintain optimal engine temperatures by providing consistent airflow. Featuring a 9-blade design with flexible forward align fins, this fan blade supports efficient cooling for various vehicle applications.

• 9 durable plastic blades with a 690 mm diameter
• Blade thickness of 2.5 mm for balanced strength and flexibility
• Black finish for corrosion resistance and durability
• Steel hub with 88 mm depth and 82.5 mm bolt circle diameter
• Clockwise rotation with a maximum speed of 3000 RPM
• Pusher airflow type for effective heat dissipation
• Flexible blades designed to reduce stress and noise

Technical Details and Design Features

The Dorman 620-354 engine cooling fan blade is engineered with a steel hub to provide a sturdy mounting base, ensuring long-lasting performance under demanding conditions. The 9 forward align fin blades are made from durable plastic, offering a balance between rigidity and flexibility to optimize airflow while minimizing vibration. With a blade diameter of 690 mm and a thickness of 2.5 mm, this fan blade is designed to operate efficiently at speeds up to 3000 RPM. Its pusher airflow type helps push hot air away from the radiator, improving engine cooling efficiency. The clockwise rotation and 82.5 mm bolt circle diameter ensure compatibility with specific vehicle cooling systems requiring these specifications.

Common Applications and Problem Solving

• Replaces worn or damaged engine cooling fan blades to restore proper airflow
• Addresses overheating issues caused by inefficient or broken fan blades
• Reduces engine noise and vibration from cracked or unbalanced blades
• Improves cooling system performance in vehicles with pusher-type fans
• Supports engine longevity by maintaining consistent operating temperatures

Installation Notes and Tips

When installing the Dorman 620-354 engine cooling fan blade, ensure the blade is mounted with the correct clockwise rotation to match the vehicle’s cooling system. Verify the bolt circle diameter of 82.5 mm aligns with the hub mounting points. Since mounting hardware is not included, use existing or compatible bolts to secure the fan blade firmly to the clutch or motor assembly. Inspect the hub and surrounding components for wear or damage before installation to ensure optimal fit and function.

Quality Assurance and Warranty Information

Dorman engine cooling fan blades meet standard replacement grade requirements, providing reliable performance for vehicle cooling systems. Manufactured with quality materials such as steel hubs and durable plastic blades, this product is designed to meet OEM specifications. For peace of mind, Dorman typically offers a limited warranty on their replacement parts; please refer to the product documentation or manufacturer’s website for specific warranty details related to part number 620-354.