Hayden 3855 Engine Cooling Fan Motor

Hayden 3855 Engine Cooling Fan Motor

Hayden 3855 is a high performance radiator fan motor built as an OE replacement for GM full-size trucks and SUVs. It uses a 12-volt power requirement, OE mount design, and a female terminal connection to support direct-fit radiator fan service on applications such as Chevrolet Silverado 1500 and GMC Yukon.

The Hayden Fan Motor line focuses on replacement cooling components for vehicles that need dependable radiator fan operation. Part number 3855 is a motor-only solution with OE-equivalent speed control, making it a practical choice when the fan motor has failed but the surrounding assembly remains serviceable.

Key Features

• 12-volt engine cooling fan motor
• Motor-only design for radiator fan service
• OE mount for factory-style installation
• OE equivalent number of speeds
• 1 connector and 2 terminals
• Female terminal gender
• High performance radiator fan motor
• OE replacement and performance rated
• Black finish with 4-inch motor diameter

Detailed Description

Hayden 3855 is engineered for radiator fan applications where the original motor has worn out, become noisy, or stopped responding correctly. It is listed as an OE replacement and performance rated part, with a factory-style mount and OE-equivalent speed operation to match the original cooling fan function. This part cross-references 733855 for the same application.

Compatible With 2005-2014 Chevrolet Suburban 1500, N/A; 2005-2014 Chevrolet Tahoe, N/A; 2011-2014 GMC Yukon, N/A; 2005-2009 GMC Yukon, N/A; 2011-2014 GMC Yukon XL 1500, N/A; 2005-2009 GMC Yukon XL 1500, N/A; 2011-2013 Chevrolet Avalanche, N/A; 2007-2009 Chevrolet Avalanche, N/A; 2007-2013 Chevrolet Cheyenne, N/A; 2005-2013 Chevrolet Silverado 1500, N/A; 2005-2013 Chevrolet Silverado 2500, N/A; 2005-2013 Chevrolet Silverado 2500 HD, N/A; 2005-2013 Chevrolet Silverado 3500, N/A; 2007-2013 Chevrolet Silverado 3500 HD, N/A; 2005-2013 Chevrolet Suburban 2500, N/A; 2007-2013 GMC Sierra, N/A; 2005-2013 GMC Sierra 1500, N/A; 2005-2013 GMC Sierra 2500 HD, N/A; 2007-2013 GMC Sierra 3500 HD, N/A; 2011-2013 GMC Yukon XL 2500, N/A; 2005-2009 GMC Yukon XL 2500, N/A; 2005-2008 Cadillac Escalade, N/A; 2005-2008 Cadillac Escalade ESV, N/A; 2005-2008 Cadillac Escalade EXT, N/A; 2007 Chevrolet Silverado 1500 Classic, N/A; 2007 Chevrolet Silverado 1500 HD Classic, N/A; 2007 Chevrolet Silverado 2500 HD Classic, N/A; 2007 Chevrolet Silverado 3500 Classic, N/A; 2007 GMC Sierra 1500 Classic, N/A; 2007 GMC Sierra 1500 HD Classic, N/A; 2007 GMC Sierra 2500 HD Classic, N/A; 2007 GMC Sierra 3500 Classic, N/A; 2005-2006 Chevrolet Avalanche 1500, N/A; 2005-2006 Chevrolet Avalanche 2500, N/A; 2005-2006 Chevrolet Cheyenne, N/A; 2005-2006 Chevrolet Silverado 1500 HD, N/A; 2005-2006 GMC Sierra 1500 HD, N/A; 2005-2006 GMC Sierra 3500, N/A.

Common Uses

• Restoring radiator fan operation after motor failure
• Addressing overheating caused by weak fan speed response
• Replacing a noisy or seized cooling fan motor
• Repairing inconsistent engine cooling on GM trucks and SUVs
• Returning factory-style fan control on OE-mount applications

Installation Notes and Tips

Verify connector style, terminal count, and OE mount configuration before installation. This motor is a 12-volt, 1-connector, 2-terminal unit with a female terminal design, so matching the original electrical connection is important for proper operation. Confirm vehicle fitment by year, make, and model before ordering, especially on Chevrolet Silverado, GMC Sierra, and Cadillac Escalade applications.

Quality Assurance

Hayden identifies this part as an OE replacement and performance rated radiator fan motor. The 3855 part number is built for direct replacement use on listed applications and is supported by the Hayden Fan Motor product line for cooling system service.