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

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

Beef up Your Bronco With These Deals - Shop Now!

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!

Part Groups

Results 1 - 6 of 6

Painless Performance Adjustable Electric Fan Thermostat Kits

Painless Performance adjustable electric fan thermostat kits allow you to control the temperature that activates your engine's cooling fan. A bulb at the end of the capillary tube is designed to attach to the top or hottest portion of the radiator. The adjustment knob may be used to set the desired temperature for your electric fan to begin operating; the thermostat has a temperature range of -32 to 248 degrees F. These universal kits are available in various styles and with different components. Order the model that best suits your needs.

4.82 out of 5 stars ( 38 )

$55.99

$91.99

Painless Performance Dual Activation Electric Fan Relay Kits

Painless Performance dual activation electric fan relay kits operate off of a thermostatic switch and are needed when adding A/C to your Hot Rod. These relay kits are exactly what you need. Only a few minutes are needed for the installation. Your cooling fan will come on when the engine reaches the preset temperature of the thermostatic switch mounted in the engine head or when the A/C is turned on. Kits include: * 40 amp relay with mounting base * 30 amp circuit breaker protection for the electric fan * Preterminated and printed wire harness * Thermostatic switch * 1/2 in. NPT to 3/8 in. NPT adapter * Mounting hardware and insulated terminals * Illustrated instruction sheet

4.62 out of 5 stars ( 82 )

$121.99

$131.99

Painless Performance Temperature Sending Units

Painless Performance temperature sending units are designed to allow your electric fan to turn on and off at a desired temperature. These switches are recommended for all electric fan installations and are available in several different temperature ranges. These Painless Performance temperature sending units are sure to keep your engine cool and running at the temperature range of your choice.

3.84 out of 5 stars ( 87 )

$29.99

$54.99

Painless Performance FAN-THOM II Electric Fan Relay Kits

These FAN-THOM II electric fan relay kits come with a threaded thermostat that screws into the engine block or intake manifold for a clean and professional look. These kits provide protection for your electric fans and wire harnesses. They supply constant voltage, protect against voltage and amperage spikes, and prevent the fan from back-feeding voltage through your vehicle's wire harnesses. These kits include: * SPST 40 amp relay * 30 amp circuit breaker * Thermostatic switch * Relay base with harness * Crimp-on terminals * Mounting hardware

4.58 out of 5 stars ( 77 )

$45.99

$76.99

Painless Performance A/C Activated Cooling Fan Relays

Putting air in your hot rod? Painless Performance A/C activated cooling fan relays will automatically kick on your cooling fan when you're A/C comes on. Your cooling fan will activate when the engine reaches the preset temperature of the thermostatic switch or when you're A/C is turned on. Installation is easy and…well, painless! Painless Performance protects your electric fan.

4.67 out of 5 stars ( 12 )

$56.99

$58.99

Painless Performance LSx Dual Fan Relay Kits

Painless Performance LSx dual fan relay kits are designed to operate off of a thermostatic switch when running your ride's air conditioning. These dual activation relay kits will send a signal to activate your cooling fan when your engine reaches the preset temperature of the thermostatic switch mounted in the engine head, or when the air conditioning is on. Instructions and mounting hardware are included.

4.5 out of 5 stars ( 6 )

$154.99

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