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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 56

Fan Switch, Temperature Control Switch-Sensor, Non-adjustable, Each

Part Number: ZIR-10435

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Thermal Fan Switches, Replacement, PWM Fan Controllers, Each

Part Number: DER-16757

4.22 out of 5 stars ( 9 )

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

Part Number: CWA-5209923

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 6, 2026 if ordered today

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Estimated Ship Date: Jul 6, 2026 if ordered today

Sensor, for Derale Adjustable Fan Controller, Each

Part Number: DER-16753

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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THERMAL TEMPERATURE PROBE

Part Number: DCW-DC-10460

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fan Controller, Digital, Adjustable, 3/8 in. NPT. Thread-In Sensor, Probe Sensor, 70 to 220 Degrees F, Single/Dual Fan, Wiring Harness Included, Each

Part Number: PRO-69597

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Sensor, Fan Switch, Coolant Temperature, OEM Replacement, Thread-in, for use on Acura®, for use on Honda®, Each

Part Number: HYB-HYBCSW0102

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Coolant Temp Sensor Switch

Part Number: FSS-37919

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Coolant Temp Sensor Switch

Part Number: FSS-37920

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Temperature Switch, Thread-In Probe, Sensor Only, Each

Part Number: MAR-MFA137

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fan Switches, Digital Thermatic Fan Switch Kits, Radiator Probe, Adjustable, Single/Dual, 104 to 230 Degrees, 1/4 in. Sensor, 35mm Adapter, Kit

Part Number: DCW-DC-0435

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Fan Switch, Thread-in Sensor, On at 185/Off at 170, 30 Amp Relay, Kit

Part Number: MRG-40102G

4.67 out of 5 stars ( 3 )

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Fan Switches, Digital Thermatic Fan Switch Kits, Single/Dual, Radiator Probe Sending Unit, 104-230 degrees F Range, 12 V, 24 V, Kit

Part Number: DCW-DC-0444

4.82 out of 5 stars ( 94 )

Estimated Ship Date: Today

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Fan Switch, Digital Thermatic Fan Switch Kit, Radiator Probe and Thread-in, Adjustable, Single/Dual, 104-230 degrees F, 12 V / 24 V, Kit

Part Number: DCW-DC-0445

4.58 out of 5 stars ( 19 )

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

Part Number: DER-16759

4.6 out of 5 stars ( 125 )

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Fan Switch, Thermostatic, Radiator Probe, Adjustable 160-240 Degrees F, Kit

Part Number: HDA-3653

4.52 out of 5 stars ( 84 )

Estimated Ship Date: Today

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Fan Switch, Electric Fan Controller Kit, 110-190 degrees F Adjustment Range, Only Compatible with Brushed Fans, Kit

Part Number: MIO-MMFANPWMUBK

3.0 out of 5 stars ( 2 )

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Fan Control, Thermostatic, 185 Degrees On/165 Degrees Off, Sending Unit, Each

Part Number: BCI-75029

4.54 out of 5 stars ( 72 )

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Fan Switch, Electric Fan Controller, Adjustable, 150-240 degrees F, Probe-Type Sending Unit, Kit

Part Number: MIO-FNCNTLUPROBE

4.65 out of 5 stars ( 20 )

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

Part Number: FLX-107006

4.33 out of 5 stars ( 3 )

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Fan Control, Thermostatic, 210 Degrees On/190 Degrees Off, Sending Unit, Each

Part Number: BCI-75099

4.38 out of 5 stars ( 21 )

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Fan Control, Thermostatic, 195 Degrees On/175 Degrees Off, Sending Unit, Each

Part Number: BCI-75030

3.9 out of 5 stars ( 29 )

Estimated Ship Date: Today

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

Part Number: FLX-108504

4.67 out of 5 stars ( 3 )

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Fan Switch, Electric Relay, Sending Unit, Wiring Harness, Kit

Part Number: FBR-FB403

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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