Dorman 620-635 Engine Cooling Fan Assembly

Overview of Dorman Engine Cooling Fan Assembly 620-635

The Dorman 620-635 engine cooling fan assembly is designed specifically for Chevrolet Cobalt, Pontiac G4, and Pontiac G5 models. This radiator fan assembly includes a durable plastic shroud and a brushed motor to ensure reliable engine cooling performance.

• Brushed motor type for consistent operation
• Single fan blade made of plastic
• Includes black plastic shroud for optimal airflow
• Three terminal connections with one male connector
• Compatible with Chevrolet Cobalt, Pontiac G4, and Pontiac G5

Detailed Product Description

The Dorman 620-635 engine cooling fan assembly features a single plastic fan blade integrated with a black plastic shroud to direct airflow efficiently through the radiator. The brushed motor provides steady power to maintain engine temperature under various driving conditions. This assembly includes three terminal connections and a single male connector, ensuring proper electrical fitment and easy installation. Designed for specific fitment with Chevrolet Cobalt, Pontiac G4, and Pontiac G5 vehicles, this radiator fan assembly supports the cooling system by improving heat dissipation and preventing engine overheating.

Common Applications and Problem Resolution

• Replaces faulty or worn cooling fan assemblies in Chevrolet Cobalt, Pontiac G4, and Pontiac G5
• Addresses engine overheating caused by malfunctioning radiator fans
• Resolves issues with inconsistent fan motor operation
• Eliminates excessive noise from damaged or unbalanced fan blades
• Restores proper airflow through the radiator for improved engine cooling

Installation Notes and Tips

When installing the Dorman 620-635 engine cooling fan assembly, ensure the electrical connectors are securely attached to the three terminals and the male connector. Verify that the plastic shroud is properly aligned with the radiator to maximize airflow efficiency. It is recommended to inspect the radiator and surrounding components for debris or damage before installation. Follow vehicle-specific service manual instructions for safe removal and installation procedures.

Quality Assurance and Warranty

Dorman engine cooling fan assemblies are manufactured to meet or exceed OEM specifications for fit, form, and function. The 620-635 part number undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.