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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 67

Fan Switches, Thermal, Electric Fan Wiring Kit, Singe/Dual Fans, 190 Degrees F Turn-On, Non-Adjustable, Relay Included, Kit

Part Number: RAD-EF-1

4.59 out of 5 stars ( 34 )

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Electric Fan Control/Relay Kit, Dual Fans, 185 Degrees on, 175 Degrees Off., Kit

Part Number: PRF-30117

4.62 out of 5 stars ( 61 )

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Fan Control, Thermostatic, 185 Degrees On/170 Degrees Off, Each

Part Number: PRF-30111

3.97 out of 5 stars ( 37 )

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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 160-210 Degrees F, Kit

Part Number: HDA-3647

4.24 out of 5 stars ( 120 )

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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 )

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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 )

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Fan Control, Thermostatic, 185 Degrees F On/175 Degrees F Off, 30 Amp, with Relay, Kit

Part Number: SUM-890115

4.46 out of 5 stars ( 70 )

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Fan Switch, Thermostatic, Thread-In, Adjustable 160-210 Degrees F, Kit

Part Number: HDA-3651

3.03 out of 5 stars ( 31 )

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Fan Switches, Brushless Electric Fan Controllers, Adjustable, Single Fan, Each

Part Number: PRO-67039

5.0 out of 5 stars ( 1 )

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Fan Switch, Thermal, Each

Part Number: VTA-11190-VUS

2.78 out of 5 stars ( 9 )

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Fan Switch, Thermostatic, Radiator Probe, 185 Degrees F On, 170 Degrees F Off, Kit

Part Number: HDA-3652

4.03 out of 5 stars ( 32 )

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Electric Fan, Control Module/Harness, Chevy, Pontiac, Each

Part Number: CEI-109068

4.9 out of 5 stars ( 10 )

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

Part Number: SUM-890124

2.33 out of 5 stars ( 6 )

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Fan Control, Relay Kit, Non-Adjustable, 185 to 195 Degree F, Universal, Kit

Part Number: PRF-30114

5.0 out of 5 stars ( 3 )

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Fan Switch, Thermostatic, Radiator Probe, 210 Degrees F to 160 Degrees Adjustment Range, Kit

Part Number: HDA-3654

2.91 out of 5 stars ( 11 )

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Fan Control, Thermostatic, Adjustable, 160 to 240 Degrees, 1/4 in. NPT Sender, 3/8 and 1/2 in. NPT Adapters, Kit

Part Number: FLX-107012

4.75 out of 5 stars ( 8 )

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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 )

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Electric Fan Control/Relay Kit, Dual Fans, 195 Degrees on, 185 Degrees Off., Kit

Part Number: PRF-30116

4.64 out of 5 stars ( 22 )

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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 )

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ELECTRIC FAN CONTROL

Part Number: VTA-113018

Not Yet Reviewed

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

Part Number: PRO-69598

4.06 out of 5 stars ( 16 )

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Electric Fan Control, Thermostatic, Variable Speed, Adjustable, 160 to 220 Degrees, Probe Type, Kit

Part Number: FLX-123241

4.67 out of 5 stars ( 12 )

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Fan Control, Thermostatic, Thread-in Probe, 185 Degrees On/165 Degrees Off, Kit

Part Number: PRM-19007

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 27, 2026 if ordered today

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Estimated Ship Date: Jul 27, 2026 if ordered today