Hayden 3204 Engine Cooling Fan Clutch

Hayden 3204 Electronic Fan Clutch

The Hayden 3204 is an electro-viscous engine cooling fan clutch built with an aluminum housing and electronic control for severe-duty cooling demands. It is a direct-fit style replacement for select Chevrolet Silverado 2500 HD and 3500 HD, plus GMC Sierra 2500 HD and 3500 HD applications.

Key Features

• Electronic, electro-viscous fan clutch design
• Aluminum construction with raw aluminum finish
• Severe-duty style for demanding cooling systems
• 4-bolt / 4-mount-hole configuration
• HEX mounting type with M6x1.000 bolt thread
• 9.39 in. overall diameter and 5.33 in. overall height
• Reverse rotation (REV)

Product Details

Hayden Fan Clutch 3204 is engineered for vehicles that rely on electronically controlled fan clutch operation to manage engine temperature. The electro-viscous, electronic clutch type helps maintain proper fan engagement in cooling systems that require precise airflow control. With a 9.39-inch overall diameter, 8.66-inch fan bolt circle, and aluminum construction, this unit is built around the specifications needed for the listed heavy-duty truck applications. This part cross-references Four Seasons 46146 for the same application.

Compatible With 2017-2020 Chevrolet Silverado 2500 HD, electronic fan clutch; 2017-2019 Chevrolet Silverado 3500 HD, electronic fan clutch; 2017-2019 GMC Sierra 2500 HD, electronic fan clutch; and 2017-2019 GMC Sierra 3500 HD, electronic fan clutch. Hayden 3204 is a relevant search match for Silverado 2500 HD fan clutch replacement, Silverado 3500 HD electronic fan clutch replacement, and Sierra HD cooling system service.

Common Cooling Issues This Part Can Address

• Engine temperature rising during towing or heavy load operation
• Fan clutch engagement problems in electronically controlled cooling systems
• Reduced airflow through the radiator and condenser
• Cooling fan noise or inconsistent fan response
• Wear-related failure in the original fan clutch assembly

Installation Notes

Verify reverse rotation, bolt pattern, bolt thread, and overall diameter before installation. Confirm the vehicle uses an electronic fan clutch configuration and match the mounting style to the original unit. For best results, inspect the fan, shroud, and surrounding cooling components during replacement to ensure the system operates as intended.

Quality Assurance

Hayden backs this fan clutch with more than 45 years of automotive cooling experience, and the brand states its cooling products are engineered and tested for demanding heat conditions. Hayden 3204 is built to support reliable cooling performance in the specified Chevrolet and GMC HD truck applications.