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!

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Results 1 - 25 of 695

Dakota Digital Electronic Fan Controllers with Bluetooth PAC-2800BT

Electric Fan Control, High Amperage, 70 Amp Relay, Adjustable, 150-250 Degrees F, Bluetooth Controller, Kit

Part Number: DAK-PAC2800BT

4.75 out of 5 stars ( 40 )

Estimated Ship Date: Today

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Summit Racing™ Electric Fan Thermostat Kits SUM-890014

Dual Fan Control, Non-Adjustable, 185 Degrees On/170 Degrees Off, Kit

Part Number: SUM-890014

3.64 out of 5 stars ( 50 )

Estimated Ship Date: Today

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Cold Case Electric Fan Wiring Kits EF-1

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

4.74 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Derale PWM Adjustable Fan Controller Kits 16797

PWM FAN CONTROLLER

Part Number: DER-16797

3.67 out of 5 stars ( 18 )

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Painless Performance Dual Activation Electric Fan Relay Kits 30117

Painless Performance Dual Activation Electric Fan Relay Kits 30117

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

Part Number: PRF-30117

4.61 out of 5 stars ( 59 )

Estimated Ship Date: Today

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Derale High-Amperage Adjustable Fan Controllers 16789

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

Part Number: DER-16789

3.09 out of 5 stars ( 93 )

Estimated Ship Date: Today

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Davies Craig Digital Thermatic Fan Switch Kits DC-0444

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

4.8 out of 5 stars ( 84 )

Estimated Ship Date: Today

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Davies Craig Digital Thermatic Fan Switch Kits DC-0445

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

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Summit Racing™ Electric Fan Thermostat Sending Units SUM-890117

Fan Control, Thermostatic, 185 Degrees On/175 Degrees Off, Sending Unit, 3/8 in. NPT, Each

Part Number: SUM-890117

4.21 out of 5 stars ( 62 )

Estimated Ship Date: Today

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Summit Racing™ Electric Fan Thermostat Kits SUM-890115

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

Part Number: SUM-890115

4.44 out of 5 stars ( 63 )

Estimated Ship Date: Jun 23, 2025 if ordered today

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Estimated Ship Date: Jun 23, 2025 if ordered today

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Hayden Electric Fan Controls 3654

3 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Flex-A-Lite Variable Speed Controllers 123241

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

Part Number: FLX-123241

4.6 out of 5 stars ( 10 )

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 )

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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

4.59 out of 5 stars ( 122 )

Estimated Ship Date: Today

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Derale Inline Fan Thermostats 35020

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 )

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Spal Electric Fan Wiring Harness Kits 185FH

Fan Control, Single, 40 Amp Relay, Thermostatic, 185 Deg. On/165 Deg. Off, Sending Unit, Kit

Part Number: SPU-IX-185FH

4.82 out of 5 stars ( 57 )

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

4.62 out of 5 stars ( 42 )

Estimated Ship Date: Today

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Flex-A-Lite Variable Speed Controllers 107012

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

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Derale Deluxe Adjustable Controllers with Pipe Threaded Probes 16749

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

Part Number: DER-16749

4.25 out of 5 stars ( 116 )

Estimated Ship Date: Today

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Flex-A-Lite Compact Adjustable Fan Controllers 121281

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

Part Number: FLX-121281

4.09 out of 5 stars ( 11 )

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

3.31 out of 5 stars ( 29 )

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Summit Racing™ Adjustable Electric Fan Controllers SUM-890124

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

Part Number: SUM-890124

1.75 out of 5 stars ( 4 )

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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

4.62 out of 5 stars ( 21 )

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Hayden Electric Fan Controls 3647

Fan Switch, Thermostatic, Radiator Probe, Adjustable 160-210 Degrees F, Kit

Part Number: HDA-3647

4.22 out of 5 stars ( 116 )

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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 )

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Be Cool Electric Fan Sending Units 75029

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

Part Number: BCI-75029

4.51 out of 5 stars ( 68 )

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