Four Seasons 36954 Engine Cooling Fan Clutch

Four Seasons 36954 Fan Clutch Overview

Four Seasons 36954 is a standard-duty engine cooling fan clutch built for thermal operation and standard rotation applications. It uses an aluminum construction, a flange mount, and a non-electronic design to support consistent fan engagement in a wide range of classic Ford, Mercury, Lincoln, Buick, Chevrolet, and Pontiac applications.

For buyers searching for a fan clutch for a Ford F-150, Ford Bronco, or Mercury Grand Marquis, this Four Seasons fan clutch is a direct-fit style replacement that meets or exceeds OEM requirements.

Key Features

• Part number: 36954
• Standard-duty thermal fan clutch design
• Non-electronic clutch construction
• Aluminum body with raw aluminum finish
• Flange mounting style with 4 bolt holes
• Standard rotation (STD)
• Meets or exceeds OEM specifications
• Performance rated for replacement use
• New, not remanufactured

Product Details

The Four Seasons Fan Clutch line is built for dependable engine cooling control in belt-driven fan systems. This 36954 unit features a 7.2-inch clutch diameter, 3-inch fan bolt circle, 2.33-inch mount diameter, and 0.75-inch pilot depth. Its thermal operation helps regulate fan engagement based on temperature, making it a practical replacement for vehicles that rely on a standard thermal fan clutch setup.

This part cross-references Gates 5537 and Dorman - HELP 22016 for the same application. It is listed across many fitments, including Ford F-100, Ford F-150, Ford E-Series vans, Lincoln Town Car, and Mercury Cougar applications.

Common Problems This Part Addresses

• Engine fan staying engaged longer than normal
• Reduced cooling fan response at operating temperature
• Cooling system noise from a worn fan clutch
• Overheating caused by inconsistent fan drive
• Loss of airflow at idle or low vehicle speed

Installation Notes and Tips

Verify the mounting flange, bolt pattern, pilot dimensions, and standard rotation before installation. Mounting hardware is not included, so reuse or source the correct hardware separately. Confirm clearance around the fan blade and radiator shroud, and inspect the water pump hub and surrounding cooling components while the clutch is removed.

Fits 1987-1991 Ford LTD Crown Victoria, N/A; Fits 1987-1991 Mercury Colony Park, N/A; Fits 1975-1991 Mercury Grand Marquis, N/A; Fits 1981-1990 Lincoln Town Car, N/A; Fits 1980-1987 Ford Bronco, N/A; Fits 1975-1987 Ford E-150 Econoline, N/A; Fits 1975-1987 Ford E-150 Econoline Club Wagon, N/A; Fits 1975-1987 Ford E-250 Econoline, N/A; Fits 1975-1987 Ford E-250 Econoline Club Wagon, N/A; Fits 1975-1987 Ford E-350 Econoline, N/A; Fits 1977-1987 Ford E-350 Econoline Club Wagon, N/A; Fits 1975-1987 Ford F-150, N/A; Fits 1977-1987 Ford F-250, N/A; Fits 1969-1974 Ford F-250, N/A; Fits 1969-1987 Ford F-350, N/A; Fits 1986 Ford F-200, N/A; Fits 1984-1986 Ford LTD, N/A; Fits 1983-1985 Ford Thunderbird, N/A; Fits 1977-1981 Ford Thunderbird, N/A; Fits 1983-1985 Mercury Cougar, N/A; Fits 1977-1981 Mercury Cougar, N/A; Fits 1970 Mercury Cougar, N/A; Fits 1968 Mercury Cougar, N/A; Fits 1982-1984 Lincoln Continental, N/A; Fits 1967-1980 Lincoln Continental, N/A; Fits 1984 Lincoln Mark VII, N/A; Fits 1975-1983 Ford E-100 Econoline, N/A; Fits 1975-1983 Ford E-100 Econoline Club Wagon, N/A; Fits 1969-1983 Ford F-100, N/A; Fits 1965-1983 Ford LTD, N/A; Fits 1980-1983 Lincoln Mark VI, N/A; Fits 1983 Mercury Marquis, N/A; Fits 1978-1983 Mercury Zephyr, N/A; Fits 1969-1982 Ford E-100 Econoline, N/A; Fits 1975-1982 Ford E-100 Econoline Club Wagon, N/A; Fits 1975-1982 Ford E-150 Econoline, N/A; Fits 1975-1982 Ford E-150 Econoline Club Wagon, N/A; Fits 1975-1982 Ford E-250 Econoline, N/A; Fits 1975-1982 Ford E-350 Econoline, N/A; Fits 1977-1982 Ford E-350 Econoline Club Wagon, N/A; Fits 1961-1982 Ford F-100, N/A; Fits 1975-1982 Ford F-150, N/A; Fits 1961-1982 Ford F-250, N/A; Fits 1961-1982 Ford F-350, N/A; Fits 1978-1982 Ford Fairmont, N/A; Fits 1977-1982 Ford Thunderbird, N/A; Fits 1961-1974 Ford Thunderbird, N/A; Fits 1967-1982 Mercury Cougar, N/A; Fits 1967-1982 Mercury Marquis, N/A; Fits 1978-1982 Mercury Zephyr, N/A; Fits 1975-1980 Buick Skyhawk, N/A; Fits 1978-1980 Chevrolet Monza, N/A; Fits 1977-1980 Ford E-250 Econoline Club Wagon, N/A; Fits 1977-1980 Lincoln Versailles, N/A; Fits 1975-1980 Mercury Monarch, N/A; Fits 1976-1980 Pontiac Sunbird, N/A; Fits 1979 Ford Mustang, N/A; Fits 1964-1973 Ford Mustang, N/A; Fits 1979 Mercury Capri, N/A; Fits 1966-1967 Mercury Capri, N/A; Fits 1968-1976 Mercury Montego, N/A; Fits 1973-1974 Ford Bronco, N/A; Fits 1969-1970 Chevrolet Nova, N/A; Fits 1969-1970 Mercury Marauder, N/A; Fits 1963-1966 Mercury Marauder, N/A; Fits 1955-1969 Chevrolet Bel Air, N/A; Fits 1966-1969 Chevrolet Caprice, N/A; Fits 1959-1969 Chevrolet Impala, N/A; Fits 1968 Buick Skylark, N/A; Fits 1967-1968 Chevrolet Camaro, N/A; Fits 1964-1968 Chevrolet El Camino, N/A; Fits 1959-1960 Chevrolet El Camino, N/A; Fits 1966-1968 Ford Bronco, N/A; Fits 1964-1967 Chevrolet Malibu, N/A; Fits 1964-1967 Mercury Villager, N/A; Fits 1959 Chevrolet Corvette, N/A

Quality Assurance

Four Seasons manufactures cooling system components for replacement applications, and this fan clutch is listed as meeting or exceeding OEM specifications. The new, performance-rated construction supports consistent fitment and service replacement for standard thermal fan clutch applications.