Dorman 621-106 Engine Cooling Fan Blade

Dorman 621-106 Engine Cooling Fan Blade

Restore proper cooling system operation with this direct replacement engine cooling fan blade from Dorman. Built for vehicle-specific fitment, Dorman 621-106 is made from quality plastic and matches the original application for select Chevrolet Silverado HD and GMC Sierra HD trucks with a mechanical fan.

Key Features

• Direct replacement engine cooling fan blade for the original application
• Vehicle-specific fitment for select Chevrolet Silverado HD and GMC Sierra HD models
• 9-blade design with a 590 mm blade diameter
• Plastic construction with a white finish
• Standard replacement grade for routine cooling system repair
• Package contents: engine cooling fan blade

Detailed Description

Dorman 621-106 is engineered as a direct-fit replacement for damaged or worn cooling fan blades on mechanical fan systems. It is designed for 2006-2010 Chevrolet Silverado 2500 HD, 2007-2010 Chevrolet Silverado 3500 HD, 2006-2010 GMC Sierra 2500 HD, and 2007-2010 GMC Sierra 3500 HD applications, along with 2007 Classic HD models and 2006 Silverado 3500 and Sierra 3500 trucks. This part cross-references 1540146 and 15102144 for the same application. If you are replacing a Chevrolet Silverado 2500 HD cooling fan blade or a GMC Sierra 3500 HD mechanical fan blade, this part number 621-106 provides the fit and dimensions needed to restore airflow through the radiator and cooling stack.

What It Helps Fix

• Cracked or broken fan blades
• Excessive vibration from a damaged cooling fan
• Reduced airflow through the radiator
• Overheating caused by poor fan performance
• Noisy operation from an out-of-balance mechanical fan

Installation Notes

Verify mechanical fan application before ordering and match the blade diameter, blade count, and mounting pattern to the original part. Inspect the fan clutch, shroud, and surrounding cooling components during replacement, since wear in those parts can affect airflow and fan balance. Dorman 621-106 is intended for direct replacement use on the listed Chevrolet Silverado HD and GMC Sierra HD fitments.

Quality Assurance

Dorman manufactures replacement parts to match original equipment fit and function for specific vehicle applications. Part number 621-106 is built from quality materials to support durable cooling system service in the listed trucks.