Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

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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!

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!

Individual Parts

Results 1 - 25 of 28

Adjustable Electric Fan Controller, Black Relay, 150-240 Degrees F, 3/8 NPT Thermostat, Kit

Part Number: TSN-HC7110BK

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Fan Control, Thermostatic, 185 Degrees On/165 Degrees Off, Sending Unit, 3/8 in. NPT, Each

Part Number: TSN-HC7116

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Adjustable Electric Fan Controller, Red Relay, 150-240 Degrees F, 3/8 NPT Thermostat, Kit

Part Number: TSN-HC7110R

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

PRO SERIES ELECTRIC FAN RELAY WIRING HARNESS KIT, 165-185 DEGREE F SWITCHED, RELAY 40-50 AMP

Part Number: TSN-HC7108

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Fan Switch, Electric Fan Thermal Switch, Sending Unit Only Style, Thread-in, 1/2-14 NPT, Single, Each

Part Number: PRM-19107

1.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Fan Control, Thermostatic, Temperature Probe Type, Adjustable, Kit

Part Number: PRF-30104

4.79 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Fan Control, Thermostatic, Adjustable, Radiator Probe, Each

Part Number: PRF-30112

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Fan Control, Thermostatic, 180F Degrees On/165F Degrees Off, Kit

Part Number: DER-13021

3.31 out of 5 stars ( 29 )

Estimated Ship Date: Today

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Fan Control, Thermostatic, Thread-in, 190 Degrees On/175 Degrees Off, Kit

Part Number: DER-16731

3.65 out of 5 stars ( 31 )

Estimated Ship Date: Today

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Electric Fan Thermostat, In-Line, 180 Degrees On, 165 Degrees Off, -6 AN Inlet, Outlet, Kit

Part Number: DER-35020

4.3 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Fan Switch, Thermostatic, 1/8 NPT, 3/8 in. Bushing, On 180 Degrees F, Off 170 Degrees F, Kit

Part Number: DER-16720

3.68 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Radiator Probe, Replacement, Thread-In, 3/8 in.-18 NPT, Single Stage, Each

Part Number: DER-16737

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sensor, Coolant Temperature, Jeep, 4.0L, Each

Part Number: CWA-32001846

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Electric Fan Control, On 180 Degrees, Off 165 Degrees, Kit

Part Number: DER-16730

2.38 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Electric Fan Thermostat, In-Line, 180 Degrees On, 165 Degrees Off, -8 AN Inlet, Outlet, Kit

Part Number: DER-35021

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Electric Fan Thermostat, In-line Sending Unit, 180 degrees F On, 165 degrees F Off, -10 AN Inlet/Outlet, Kit

Part Number: DER-35022

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Electric Fan Control, On 180 Degrees, Off 165 Degrees, 3/8 in. NPT Radiator Thread, Kit

Part Number: DER-16735

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Today

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Fan Control, Thermostatic, 180 Degrees On/170 Degrees Off, Kit

Part Number: DER-16738

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Radiator Probe, Replacement, Thread-In, 3/8 in. NPT, Each

Part Number: DER-16750

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Fan Control, Thermostatic, 180 Degrees On/170 Degrees Off, 3/8 in.-18 NPT, Universal, Kit

Part Number: DER-16739

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Fan Switch, Derale, Single-Stage, 180 degree On, 165 degree Off, Thermostat Switch, Brass Probe, Foam Pad, Retaining Clip, Kit

Part Number: DER-18748

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Radiator Probe, Replacement, 180 Degrees On, 165 Degrees Off, Each

Part Number: DER-16736

4.0 out of 5 stars ( 2 )

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Sensor, Coolant Temperature, Thread-in, Dodge, Plymouth, Each

Part Number: CWA-5209923

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Electric Fan Thermostat, In-line Sending Unit, 190 degrees F On, 175 degrees F Off, -8 AN Inlet/Outlet, Kit

Part Number: DER-35026

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Electric Fan Thermostat, In-Line, 190 Degrees On, 175 Degrees Off, -6 AN Inlet, Outlet, Kit

Part Number: DER-35025

3.5 out of 5 stars ( 2 )

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