Hayden 2984 Engine Cooling Fan Clutch

Hayden 2984 Severe Duty Thermal Fan Clutch

Hayden 2984 is a severe duty thermal engine cooling fan clutch built for heavy-duty cooling control in demanding truck and van applications. It uses thermal engagement to help regulate fan speed based on temperature, supporting consistent airflow when the engine needs it most.

Key Features

• Thermal clutch type for temperature-responsive fan engagement
• Severe duty style for demanding cooling system service
• Overall diameter: 7.23 in. (184.15 mm)
• Overall height: 4.81 in. (121.4 mm)
• Fan bolt circle: 3.25 in.
• 4-bolt fan mounting pattern with 1 bolt hole and 1 mounting hole
• Cross-references Four Seasons 46145 for the same application

Product Details

This Hayden fan clutch is part of the Hayden Fan Clutch line and is engineered as a thermal severe duty unit for vehicles that see sustained load, stop-and-go operation, or higher cooling demand. Hayden 2984 is listed for Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 HD, GMC Savana 2500, GMC Savana 3500, GMC Sierra 2500 HD, and GMC Sierra 3500 HD applications, including 2020-2021 reverse rotation severe duty thermal engine cooling fan clutch fitments and 2021-2024 thermal fan clutch fitments. It also fits the 2024 Chevrolet LCF 3500HG. This part number is commonly searched as Hayden 2984 fan clutch for Chevrolet Silverado 2500 HD and GMC Sierra 3500 HD cooling repair.

Common Uses

• Engine overheating caused by weak or inconsistent fan clutch engagement
• Excessive fan noise from a worn thermal clutch
• Reduced cooling performance during towing, hauling, or idle conditions
• Cooling system service on Chevrolet Express and GMC Savana vans
• Cooling repair on Chevrolet Silverado HD and GMC Sierra HD trucks

Installation Notes

Verify the fan bolt circle, overall diameter, and overall height before installation. Confirm whether the vehicle uses standard or reverse rotation cooling fan clutch configuration, especially on 2020-2021 Silverado HD and Sierra HD applications. Match the replacement to the vehicle’s cooling fan setup and inspect related cooling components during service. For fitment-focused searches, this part is listed for 2021-2024 Chevrolet Express 2500, 2021-2024 Chevrolet Express 3500, 2022-2024 Chevrolet Silverado 2500 HD, 2022-2024 Chevrolet Silverado 3500 HD, 2021-2024 GMC Savana 2500, 2021-2024 GMC Savana 3500, 2022-2024 GMC Sierra 2500 HD, and 2022-2024 GMC Sierra 3500 HD.

Quality Assurance

Hayden is a recognized cooling system brand, and this fan clutch is built to meet the dimensional and application requirements listed for the specified Chevrolet and GMC platforms. Part number 2984 is also referenced under Anchor 2984 and Four Seasons 46145 for the same application.