Thermal Radiator Cooling Fan Switches & Controllers

Take control of your electric fan with one of our adjustable or non-adjustable fan switches. Our line of radiator fan switches includes a variety of universal switches...

Take control of your electric fan with one of our adjustable or non-adjustable fan switches. Our line of radiator fan switches includes a variety of universal switches and custom switches for hundreds of vehicle applications. The switches are designed and manufactured by the most-trusted names in automotive cooling—names like Derale, Be Cool, Flex-a-lite, Perma-Cool, and many others. We even have complete fan switch kits from wiring experts like Painless Performance and Ron Francis Wiring. Shop Summit Racing for your thermal fan switch solution today!

Showing In Stock Items. Show All 93 Items.

Individual Parts

Part Groups

Results 1 - 25 of 83

Derale PWM Adjustable Fan Controller Kits 16797

PWM FAN CONTROLLER

Part Number: DER-16797

3.8 out of 5 stars ( 20 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Summit Racing™ Adjustable Electric Fan Controllers SUM-890124

Fan Control, Thermostatic, Adjustable, 160 to 240 Degrees, Kit

Part Number: SUM-890124

2.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Derale High-Amperage Adjustable Fan Controllers 16789

Dual Fan Control, Thermostatic, Adjustable, 160 to 240 Degrees F, Kit

Part Number: DER-16789

3.13 out of 5 stars ( 95 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Flex-A-Lite Compact Adjustable Fan Controllers 121281

Fan Control, Compact, Adjustable, Thread-in Probe, Single Fan, Kit

Part Number: FLX-121281

3.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Derale Deluxe Adjustable Fan Controllers with Radiator Probes 16759

Fan Control, Thermostatic, Adjustable, 150 to 240 Degrees, Kit

Part Number: DER-16759

4.6 out of 5 stars ( 124 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Derale High-Amperage Adjustable Fan Controllers 16788

Electric Fan Control, Dual, High Amperage, Adjustable, 150-240 Degrees F, Kit

Part Number: DER-16788

2.68 out of 5 stars ( 41 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Flex-A-Lite Compact Adjustable Fan Controllers 121280

Fan Control, Compact, Adjustable, Radiator Probe, Single Fan, Kit

Part Number: FLX-121280

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Derale High-Amperage Adjustable Fan Controllers 16779

Single Fan Control, Thermostatic, Adjustable, 150 to 240 Degrees F, Kit

Part Number: DER-16779

2.6 out of 5 stars ( 15 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Derale High-Amperage Adjustable Fan Controllers 16778

Fan Controller, High-Amperage, Adjustable, Single, 150-240 degrees F, Sending Unit, Relay, Wiring Harness, Kit

Part Number: DER-16778

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Derale Adjustable Fan Controllers 16769

Fan Control, Thermostatic, Adjustable, 32 to 240 Degrees, Kit

Part Number: DER-16769

4.61 out of 5 stars ( 18 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Perma-Cool Replacement Adjustable Fan Control Modules 21006

Perma-Cool Replacement Adjustable Fan Control Modules 21006

Fan Control Module, Replacement, Adjustable, Each

Part Number: PRM-21006

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

Perma-Cool Replacement Adjustable Fan Control Modules 21276

Electric Fan Adjustable Controller Switch Module, Thread-In (170°F-210°F)

Part Number: PRM-21276

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 29, 2025 if ordered today

Derale Electric Fan Controller Replacement Sensors 16753

Sensor, for Derale Adjustable Fan Controller, Each

Part Number: DER-16753

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Vintage Air Adjustable Fan Thermostat Kits 24675-VUT

Fan Control, Thermostatic, 240 Degrees On/180 Degrees Off, Each

Part Number: VTA-24675-VUT

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Flex-A-Lite Adjustable Electric Fan Controllers 106908

Fan Control, Thermostatic, Adjustable, 160 to 240 Degrees, Kit

Part Number: FLX-106908

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Flex-A-Lite Adjustable Electric Fan Controllers 106999

Electric Fan Controller, Adjustable, Radiator Probe Sending Unit, 160 - 240 degrees F, Wiring Harness, Kit

Part Number: FLX-106999

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Proform Adjustable Electric Fan Controllers 69598

Electric Fan Controller, Adjustable, Sending Unit, 150-240 degree F Range, Relay, Wiring Harness, Kit

Part Number: PRO-69598

3.79 out of 5 stars ( 14 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Flex-A-Lite Adjustable Electric Fan Controllers 108504

Fan Control, Thermostatic, Adjustable, Sender/Harness, Kit

Part Number: FLX-108504

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Flex-A-Lite Adjustable Electric Fan Controllers 107185

Electric Fan Controller, Adjustable, Thread-in Sending Unit, 160 - 240 degrees F, Relay, Wiring Harness, Kit

Part Number: FLX-107185

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Proform Adjustable Electric Fan Controllers 69599

Electric Fan Controller, Adjustable, Sending Unit, 150-240 degree F Range, Relay, Wiring Harness, Kit

Part Number: PRO-69599

4.43 out of 5 stars ( 23 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Summit Racing™ Adjustable Electric Fan Controllers SUM-381136

Electric Fan Controller, Single/Dual, Radiator Probe, Heavy-Gauge Wire Harness with Relay and Waterproof Fuse, Adjustable, 32-240 Degrees F Range, Kit

Part Number: SUM-381136

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025