Four Seasons 36969 Engine Cooling Fan Clutch

Four Seasons 36969 Fan Clutch Overview

Four Seasons 36969 is a standard-duty thermal engine cooling fan clutch built for direct replacement service on select Ford trucks and vans. It uses an aluminum housing, standard rotation, and a non-electronic design to help maintain proper fan engagement in demanding cooling-system applications.

Compatible With 1980-1986 Ford Bronco, 1983-1986 Ford E-100/E-150/E-250/E-350 Econoline and Club Wagon, and 1983-1986 Ford F-100/F-150/F-250/F-350 applications that call for this thermal fan clutch configuration.

Key Features

• Four Seasons fan clutch, part number 36969
• Thermal, standard-duty design for engine cooling fan control
• Aluminum construction with raw aluminum finish
• Standard rotation, non-electronic operation
• 4-bolt / 4-mount-hole layout with HEX mounting type
• 7.2 in. clutch diameter and 1.25 in. clutch-to-mounting-flange distance
• Meets or exceeds OEM requirements
• New, performance-rated replacement part

Product Details

Four Seasons Fan Clutch 36969 is engineered as a thermal engine cooling fan clutch for vehicles that use a standard rotation, thread-on style cooling fan setup. The aluminum body and standard-duty construction support consistent fan engagement characteristics for everyday cooling-system service. With a 7.2-inch clutch diameter, 3-inch fan bolt circle, and 1.44-inch mount diameter, this unit is built around the listed OE-style dimensions for accurate replacement fitment.

This part cross-references Gates 21061 for the same application. Four Seasons 36969 is also listed among interchange references for select Ford Bronco, Econoline, and F-Series truck applications, including 1983-1986 Ford F-150 and 1984-1986 Ford Bronco configurations.

Common Cooling Issues It Can Address

• Engine fan not engaging at the correct speed
• Cooling fan noise caused by a worn clutch
• Overheating concerns during stop-and-go driving
• Reduced airflow through the radiator at low vehicle speed
• Cooling-system performance loss from a failing thermal clutch

Installation Notes

Verify the mounting style, bolt pattern, pilot dimensions, and rotation before installation. This fan clutch uses a 5/16-18 bolt thread hole pattern, 4 bolt holes, and a 1.18 in. pilot diameter with 0.7 in. pilot depth. Mounting hardware is not included, so reuse or source the correct hardware separately as needed. Confirm the vehicle’s fan clutch specification against the listed fitment for 1980-1986 Ford Bronco, 1983-1986 Ford E-150 Econoline, 1983-1986 Ford E-250 Econoline, 1983-1986 Ford E-350 Econoline, and 1983-1986 Ford F-Series applications before service.

Quality Assurance

Four Seasons 36969 is a new replacement fan clutch that meets or exceeds OEM requirements and is performance rated for standard-duty cooling applications. Four Seasons Fan Clutch products are built for direct-fit service where the original thermal clutch specification is required.