Dorman 620-654 Engine Cooling Fan Assembly

Overview of the Dorman Engine Cooling Fan Assembly 620-654

The Dorman 620-654 engine cooling fan assembly is designed to maintain optimal engine temperature for select GM trucks and SUVs. This assembly includes dual plastic fan blades and a durable black plastic shroud, engineered to provide reliable cooling performance for vehicles like the Chevrolet Silverado 1500 and Cadillac Escalade.

• Motor Type: Brushed motor for consistent operation
• Fan Quantity: Dual fan blades for enhanced airflow
• Shroud Included: Yes, made of black plastic for durability
• Connector Quantity: Two male terminals for secure electrical connection
• Blade Material: Plastic blades designed for efficient cooling
• Package Contents: Complete radiator fan assembly

Detailed Product Description

The Dorman 620-654 engine cooling fan assembly features a brushed motor type that ensures steady and reliable fan operation under various driving conditions. Equipped with two plastic fan blades, this assembly improves airflow through the radiator, helping to regulate engine temperature effectively. The included black plastic shroud is designed to direct airflow precisely where it is needed, enhancing cooling efficiency. With two male electrical connectors and terminals, installation and electrical integration are straightforward and secure. This assembly is compatible with a range of GM vehicles, including the Cadillac Escalade, Chevrolet Avalanche, GMC Sierra 1500, and Yukon XL 2500, making it a practical replacement part for maintaining proper engine cooling.

Compatible Vehicles and Common Applications

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche, Silverado 1500, Suburban 1500, Suburban 2500, Tahoe
• GMC Sierra, Sierra 1500, Yukon, Yukon XL 1500, Yukon XL 2500
• Helps resolve engine overheating issues
• Addresses cooling fan motor failure
• Replaces damaged or cracked fan blades or shroud
• Improves radiator cooling efficiency

Installation Notes and Tips

When installing the Dorman 620-654 engine cooling fan assembly, ensure the vehicle is powered off and cooled down to avoid injury. Disconnect the battery before removing the old fan assembly. Verify the electrical connectors match the two male terminals on the new assembly for proper fitment. Carefully align the plastic shroud and secure it to the radiator mounting points to prevent vibration or noise. Testing the fan operation after installation is recommended to confirm proper electrical connection and function.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 620-654 engine cooling fan assembly undergoes quality checks to ensure durability and reliable performance. This part is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use conditions.