Hayden 3920 Engine Cooling Fan

Hayden 3920 Electric Fan Overview

Hayden 3920 is a 14-inch 12-volt electric puller engine cooling fan built for applications that need added airflow in a compact package. With a black plastic blade design, blade-style connector, and performance-rated construction, it delivers up to 1570 CFM free air and 1300 CFM when radiator-mounted.

This Hayden Electric Fan line is focused on practical cooling solutions for street-driven and performance applications where consistent engine temperature control matters. The 3920 is a universal-fit super duty puller primary fan for many Subaru, Hyundai, BMW, Ford, Chevrolet, Toyota, and other vehicle platforms listed below.

Key Features

• 14-inch puller-style electric engine cooling fan
• 12-volt operation for common automotive electrical systems
• Plastic blade construction with black finish
• Blade connector with 2 male terminals
• Performance rated for cooling-focused applications
• Free-air airflow rating: 1570 CFM
• Radiator-mounted airflow rating: 1300 CFM
• Compact 2.56-inch depth for tighter engine bay packaging

Detailed Product Description

Hayden 3920 is an electric cooling fan assembly intended for puller-type engine cooling setups. The 14-inch diameter and shallow 2.56-inch depth make it a practical choice where space around the radiator or condenser area is limited. Its 12-volt design and 2-terminal blade connector simplify integration with the proper fan control system.

For fitment-based searches, this part is commonly referenced for applications such as Fits 2016-2021 Subaru Forester, N/A; Fits 2016-2021 Subaru WRX, N/A; and Fits 2009-2015 Ford F-150, N/A. It also appears in cooling fan replacement searches for vehicles like the Chevrolet Silverado 1500, Toyota Tacoma, and BMW 550i when the vehicle uses a puller-type electric engine cooling fan setup.

This part cross-references Four Seasons 37140 for the same application.

What This Fan Helps Address

• High engine temperatures during idle or low-speed driving
• Reduced airflow through the radiator in stop-and-go traffic
• Cooling system upgrades on vehicles using electric puller fans
• Replacement of a worn or weak engine cooling fan
• Packaging constraints in compact engine compartments

Installation Notes and Tips

Mounting hardware is not included unless specifically noted in the vehicle listing. Controls are not included, so the fan must be paired with the correct relay, thermostat, or controller for the application. Verify diameter, depth, connector style, terminal count, and available clearance before installation. This fan is listed for a wide range of vehicles, including Subaru Forester, Hyundai Sonata, and Ford F-150 applications, but body and engine configurations should be checked carefully against the fitment notes.

Quality Assurance

Hayden cooling products are built for automotive thermal management applications and this fan is performance rated for airflow-focused use. Confirm all electrical and mounting requirements before installation to ensure proper operation in the intended vehicle application.

• Brand: Hayden
• Part Number: 3920
• Category: Engine Cooling Fan