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!

Individual Parts

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Results 1 - 25 of 691

Proform Parts Fan Switches 69597

Fan Controller

Part Number: PRO-69597

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

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Estimated Ship Date: Oct 27, 2025 if ordered today

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: Today

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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: Today

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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: Today

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Painless Performance Dual Activation Electric Fan Relay Kits 30116

Painless Performance Dual Activation Electric Fan Relay Kits 30116

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 )

Estimated Ship Date: Today

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Derale Inline Fan Thermostats 13021

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

Part Number: DER-13021

3.23 out of 5 stars ( 30 )

Estimated Ship Date: Today

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Painless Performance FAN-THOM II Electric Fan Relay Kits 30103

Fan Control, Thermostatic, 185 Degrees On/175 Degrees Off, Kit

Part Number: PRF-30103

4.64 out of 5 stars ( 45 )

Estimated Ship Date: Today

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Cooling Components 2-Speed Fan Controllers 2SFC

Fan Switches, Thermal, Electric Fan Wiring Kit, Singe/Dual Fans, Relay Included, Kit

Part Number: CIM-2SFC

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Derale Inline Fan Thermostats 35021

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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Painless Performance LSx Dual Fan Relay Kits 30118

LSx Dual Fan Relay Kits, 0.70 Amp Fuse, 40 Amp Relays, Temperature Range 205 On/190 Off, Kit

Part Number: PRF-30118

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Summit Racing™ Electric Fan Adjustable Thermostat Kits SUM-G4959

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

Part Number: SUM-G4959

4.46 out of 5 stars ( 26 )

Estimated Ship Date: Today

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Hayden Electric Fan Adjustable Thermostat Kits 3653

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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Painless Performance Temperature Sending Units 30110

Fan Control, Thermostatic, 195 Degrees On/185 Degrees Off, Each

Part Number: PRF-30110

3.86 out of 5 stars ( 36 )

Estimated Ship Date: Today

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Intellitronix Variable Speed Fan Controllers N4001

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

Part Number: IZL-N4001

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Flex-A-Lite Adjustable Electric Fan Controllers 107006

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

Part Number: FLX-107006

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Lingenfelter Performance Engineering Temperature-Based Relay Controllers L460220000

Relay Controller, Temperature-Based, Adjustable Fan Thermal Switch Style, 0-1,9990 Degrees F, Harness, Each

Part Number: LPE-L460220000

Not Yet Reviewed

Estimated Ship Date: Today

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Painless Performance A/C Activated Cooling Fan Relays 30114

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

Part Number: PRF-30114

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Hayden Digital Fan Controllers 3655

Fan Switch, Digital, Radiator Probe, 210 Degrees F to 120 Degrees Adjustment Range, Kit

Part Number: HDA-3655

4.07 out of 5 stars ( 30 )

Estimated Ship Date: Today

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Davies Craig Electric Water Pump and Fan Controllers DC-0500

Fan Switches, Digital Gauge Fan/Electric Water Pump Switch Kit, Single/Dual, Radiator Probe Sending Unit, 41-230 degrees F Range, 12 V, 24 V, Kit

Part Number: DCW-DC-0500

Not Yet Reviewed

Estimated Ship Date: Today

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Frostbite Fan and Shroud Electric Relay Kits FB403

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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Vintage Air Electric Fan Thermostat Kits 113021

FAN CONTROLLER KIT 180 DEGREE

Part Number: VTA-113021

Not Yet Reviewed

Estimated Ship Date: Today

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Vintage Air Electric Fan Set-Point Temp Switches 113018

ELECTRIC FAN CONTROL

Part Number: VTA-113018

Not Yet Reviewed

Estimated Ship Date: Today

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Cold Case Radiators Fan Switches EF-2

EFI Electric Fan Wiring Kit Cold Case Radiators

Part Number: RAD-EF-2

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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Estimated Ship Date: Nov 17, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Cold Case Electric Fan Wiring Kits EF-1

4.75 out of 5 stars ( 31 )

Estimated Ship Date: Today

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Zirgo Temperature Control Switch-Sensors ZIRZFSWF

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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Hayden Electric Fan Controls 3654

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 )

Estimated Ship Date: Today

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