Availability
Belt-Driven Radiator Cooling Fans
Belt-driven radiator fans are engine cooling fans driven directly by power from the engine via a pulley or belt from the water pump.
There are two main types of a belt-driven...
Belt-driven radiator fans are engine cooling fans driven directly by power from the engine via a pulley or belt from the water pump.
There are two main types of a belt-driven fan: clutch fans and flex fans.
Clutch Fans
Belt-driven clutch fans attach to a fan clutch. Most of the time, these fans are spinning at some fraction of the water pumps’ speed, but above a certain temperature, the thermostat in the fan clutch fully locks up, and the fan operates at the same speed as the water pump, drawing extra air through the radiator.
Flex Fans
Flex fans don’t have a clutch, so they spin at 100% of the speed of the water...
Belt-driven radiator fans are engine cooling fans driven directly by power from the engine via a pulley or belt from the water pump.
There are two main types of a belt-driven fan: clutch fans and flex fans.
Clutch Fans
Belt-driven clutch fans attach to a fan clutch. Most of the time, these fans are spinning at some fraction of the water pumps’ speed, but above a certain temperature, the thermostat in the fan clutch fully locks up, and the fan operates at the same speed as the water pump, drawing extra air through the radiator.
Flex Fans
Flex fans don’t have a clutch, so they spin at 100% of the speed of the water pump all the time! Most flex fans also have flexible blades that flatten out at high speeds, reducing the parasitic loss of horsepower.
Belt-driven vs. Electric Cooling Fans
Which is the right fan for your application? Since their speed is tied directly to rpms, mechanical radiator fans are ideal for vehicles that operate at higher revs, like towing vehicles and off-road rigs. They’re also simpler, without sensors, wiring, or electrical draw to worry about.
There are a lot of advantages to switching to an electric fan: they take up less room, they’re more energy efficient, and you can manually deactivate them (a handy feature for off-road vehicles crossing water or mud).
For a complete discussion on the subject of radiator cooling fans, check out this article on our blog.
Top Brands
Summit Racing Equipment has everything you need for anything you drive, and that includes belt-driven fans in a wide variety of sizes and blade counts, plus stock replacement and restoration fans. Shop here for the best brand names in cooling, including Flex-a-lite, Goodmark, Dorman, Perma-Cool, Maradyne, Vintage Air, and many more.
Fan, Flex-Type, Heavy-Duty, Clockwise, 18 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: SUM-G4918
Estimated Ship Date: Today
Estimated Ship Date: Today
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Fan, Flex-Type, Heavy-Duty, Clockwise, 17 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: SUM-G4917
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Wide Blade, Clockwise, 19.312 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: FLX-105496
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Clockwise, 17.250 in. Diameter, Steel Blades/Hub, Universal, Each
Part Number: DER-17117
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Clockwise, 18 in. Diameter, Steel Blades/Hub, Chevrolet, GMC, Each
Part Number: GMK-4012312681
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Clockwise, 18 in. Diameter, Steel Blades/Hub, Universal, Each
Part Number: DER-17118
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Wide Blade, Clockwise, 17 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: FLX-104482
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Clockwise, 18.00 in. Diameter, 2.50 in. Center Bore, 3.25 in. Bolt Pattern, Steel Blades/Hub, Chevrolet, GMC, Each
Part Number: OER-K193
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Wide Blade, Clockwise, 18.25 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: FLX-104803
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Clockwise, 19 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17119
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Heavy-Duty, Clockwise, 15 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17015
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Wide Blade, Clockwise, 18.25 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: FLX-104483
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex, Mechanical, Clockwise, 16 in. Diameter, Stainless Steel Blades/Steel Hub, Each
Part Number: FLX-101254
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Extra-Duty, 6 Blades, Steel Hub, Black, Clockwise Rotation, 17.00 in. Diameter, Ford, Each
Part Number: SDK-C6ZZ-8600-C
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid Style Race, Steel Blades, Standard Rotation, 18 in., 2.25 in. Depth, 8,000 RPM Rated, Each
Part Number: DER-17318
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Steel, Black, 17 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30103
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex, Mechanical, Clockwise, 17 in. Diameter, Stainless Steel Blades/Steel Hub, Each
Part Number: FLX-101567
Estimated Ship Date: Today
Estimated Ship Date: Today
Blades,1971-79 Fan Blade 19-1/2 in., 7 Blade, Each
Part Number: OER-3991431
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Clockwise, 17 in. Diameter, Steel Blades/Hub, Universal, Each
Part Number: VTA-32517-VUF
Estimated Ship Date: Today
Estimated Ship Date: Today
1968-73 Dodge, Plymouth B, C, E-Body; Clutch-Style Fan Blade Assembly
Part Number: OER-MP71012
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Wide Blade, Clockwise, 17 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: FLX-105495
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, High Performance, Clockwise, 15.250 in. Diameter, Stainless Steel Blades/Steel Center Hub, Black, Universal, Each
Part Number: DER-19115
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Heavy-Duty, Counterclockwise, 18 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17618
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex, Counterclockwise, 18.250 in. Diameter, 6 Blade, Stainless Steel, Silver, Each
Part Number: FLX-106278
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Clockwise, 17 in. Diameter, Steel Blades, Steel Hub, Universal, Each
Part Number: DER-17317
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex, Mechanical, Clockwise, 18.25 in. Diameter, Stainless Steel Blades/Steel Hub, Each
Part Number: FLX-101259
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex, Counterclockwise, 17 in. Diameter, Stainless Steel, Silver, Each
Part Number: FLX-102113
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Clockwise, 6 Blades, Steel, Black, 18 in. Diameter, 5/8 in. Pilot Hole Diameter, Each
Part Number: AAF-ALL30100
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Wide Blade, Clockwise, 16 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: FLX-104801
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Steel, Black, 15 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30102
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, High Performance, Clockwise, 17 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-19117
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, High Performance, Clockwise, 18 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-19118
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Counterclockwise, 18 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17918
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Heavy-Duty, Clockwise, 19 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17019
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Reproduction, 1968-1973 Dodge/Plymouth A/B/C/E-Body, 7-Blade, Clutch-Type, Clockwise Rotation, 18.5 in. Diameter, Steel, 2863216, OE Style, Each
Part Number: SUM-RP80541
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Heavy-Duty, Clockwise, 17.25 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17017
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Hi Performance, Counterclockwise, 15 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-19315
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Heavy-Duty, Clockwise, 18 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17018
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Cooling, Straight Tip Style, Clockwise Rotation, 7 Blades, Steel, Black, 18.00 in. Diameter, Buick, Chevrolet, Olds, Pontiac, Each
Part Number: OPG-C980305
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Rigid Race, 17 in. Diameter, Steel, Reverse Rotation, 8,000 RPM Rating, Each
Part Number: DER-17417
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, High Performance, Clockwise, 13 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-19113
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Clockwise, 17 in. Diameter, Nylon Blades/Hub, Universal, Each
Part Number: FLX-116567
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Aluminum Hub, Plastic Blades, 17 in. Diameter, Each
Part Number: JRP-WP9104-17-H3
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Clockwise, 20 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17120
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Clockwise, 20 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17320
Estimated Ship Date: Today
Estimated Ship Date: Today
Radiator Fan, Mechanical, Texas Twister, Nylon, Black, 18.0 in. Diameter, 6-Blade, Clockwise, Each
Part Number: MAR-MFA118
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Counterclockwise, 15 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17415
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, 6 Blades, Steel, Black, Clockwise Rotation, Jeep, Each
Part Number: CWA-J0994277
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Heavy Duty, Counterclockwise, 19 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17619
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Steel, Black, 15 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30104
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical Cooling Fan, 5 Blades, Clockwise Rotation, Black Steel Blades, 3 in. Bolt Circle for Fan Clutch, Chevrolet, Each
Part Number: GMK-401031264
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Clockwise, 18 in. Diameter, Aluminum Blades/Steel Hub, Universal, Each
Part Number: DER-17518
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Rigid Style Race Steel Blade 18" Rev. Rotation 2" Depth 6,000 RPM Rated
Part Number: DER-17418
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Radiator, Mechanical, Five Blade, Steel, Black, 17.9 in. Diameter, Cadillac, Chevrolet, GMC, Each
Part Number: RNB-621-108
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Rigid Style Race Steel Blade 19" Std. Rotation 2" Depth 6,000 RPM Rated
Part Number: DER-17319
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Race, Clockwise, 17 in. Diameter, Steel, Silver, Each
Part Number: FLX-101584
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clutch-Type, Counterclockwise, 17 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17917
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Fan, Counterclockwise, 20 in. Diameter, Steel, Black, Each
Part Number: DER-17920
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, 5 blades, Clockwise Rotation, Steel Hub, Black, 17.00 in. Diameter, Ford, Each
Part Number: SDK-C5ZZ-8600-C
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Aluminum, Black, 17 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30097
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Hi Performance, Counterclockwise, 17 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-19317
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Heavy-Duty, Counterclockwise, 17 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17617
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex, Mechanical, Clockwise, 19.375 in. Diameter, Stainless Steel Blades/Steel Hub, Each
Part Number: FLX-102117
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Standard Blade-Type, Race, Clockwise, 18.250 in. Diameter, Steel Hub/Aluminum Blades, Universal, Each
Part Number: FLX-101350
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fans, Mechanical, 9 Blades, Black Steel Hub, White Plastic Blades, 18.504 in. Diameter, Cadillac, Chevrolet, GMC, Each
Part Number: RNB-621-104
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Lightweight, Nylon, Black, 18 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30095
Estimated Ship Date: Today
Estimated Ship Date: Today
Fans, Mechanical, 11 Blades, Steel, Black, 19.000 in. Diameter, Cadillac, Chevrolet, GMC, Each
Part Number: RNB-621-515
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Clockwise, 15 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17315
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Aluminum Hub, Plastic Blades, 18 in. Diameter, Each
Part Number: JRP-WP9104-18-H3
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Rigid Race, 13 in. Diameter, Steel, Standard Rotation, 8,000 RPM Rating, Each
Part Number: DER-17313
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Clockwise, 17 in. Diameter, Aluminum Blades/Steel Hub, Universal, Each
Part Number: DER-17517
Estimated Ship Date: Today
Estimated Ship Date: Today
Radiator Fan, Mechanical, Texas Twister, Nylon, Black, 14.0 in. Diameter, 6-Blade, Clockwise, Each
Part Number: MAR-MFA114
Estimated Ship Date: Today
Estimated Ship Date: Today
Fans, Mechanical, 7 Blades, Steel, Black, 22.050 in. Diameter, Dodge, Each
Part Number: RNB-620-066
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Steel, Black, 18 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30105
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Clockwise, 15 in. Diameter, Aluminum Blades/Steel Hub, Universal, Each
Part Number: DER-17515
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Race, 17 in., Standard Clockwise Rotation, Steel Hub, Steel Blades, Silver, Each
Part Number: FLX-125855
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Lightweight, Nylon, Black, 17 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30094
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Aluminum, Black, 15 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30096
Estimated Ship Date: Today
Estimated Ship Date: Today
Radiator Fan, Mechanical, Texas Twister, Nylon, Black, 16.0 in. Diameter, 6-Blade, Clockwise, Each
Part Number: MAR-MFA116
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Clockwise, 18 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: FLX-101352
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Radiator Fan, Mechanical, Texas Twister, Nylon, Black, 15.0 in. Diameter, 6-Blade, Clockwise, Each
Part Number: MAR-MFA115
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Engine Cooling, Standard Blade, Counterclockwise, Eleven Blade, Black, Nylon, Cadillac, Chevrolet, GMC, Each
Part Number: ADO-15-80739
Radiator Fan, Mechanical, Texas Twister, Nylon, Black, 17.0 in. Diameter, 6-Blade, Clockwise, Each
Part Number: MAR-MFA117
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Lightweight, Nylon, Black, 16 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30093
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Counterclockwise, 19 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17419
Estimated Ship Date: Today
Estimated Ship Date: Today
Flex Fan, 5 Blade, 1968-74 GTO
Part Number: OPG-G240587
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Ridged Blade-Type, Race, Clockwise, 18 in. Diameter, 4 Steel Blades, Dual Bolt Pattern, Each
Part Number: AFC-80183
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Clockwise, 18.375 in. Diameter, Nylon Blades/Hub, Universal, Each
Part Number: FLX-104465
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Clutch, OE Style, with 9 Plastic Blades, 18 in. O.D., Clockwise, Ford, Mercury, Passenger Car, Pickup, SUV, 4.0/5.0L, Each
Part Number: RNB-620-112
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Aluminum Hub, Plastic Blades, 15 in. Diameter, Each
Part Number: JRP-WP9104-15-H3
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Rigid-Type, Race, Counterclockwise, 20 in. Diameter, Steel Blades/Steel Hub, Universal, Each
Part Number: DER-17420
Estimated Ship Date: Today
Estimated Ship Date: Today
Radiator Fan Blade - 12 Blade
Part Number: RNB-620-148
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fans, Mechanical, 7 Blades, Steel, Black, 18.800 in. Diameter, Ford, Each
Part Number: RNB-620-154
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Clockwise, 16 in. Diameter, Nylon Blades/Hub, Universal, Each
Part Number: FLX-116562
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Mechanical, Clockwise Rotation, Six Steel Blades, Silver, 17 in. Diameter, Each
Part Number: AFC-80181
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Lightweight, Nylon, Black, 15 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30092
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Blade, Lightweight, Nylon, Black, 14 in. Diameter, 5/8 in. Pilot, Each
Part Number: AAF-ALL30091
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan, Flex-Type, Hi Performance, Counterclockwise, 13 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each
Part Number: DER-19313
Estimated Ship Date: Today
Estimated Ship Date: Today
1969-70 Nova; Fan Blade; 5 Blade; Big Block; 396; with "W" Stamping
Part Number: OER-15118
Not Yet Reviewed
Estimated Ship Date: Aug 6, 2026 if ordered today
Estimated Ship Date: Aug 6, 2026 if ordered today
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