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Flex-a-liteVariable Speed Controller and Relay Kit with Thread-In Temperature Sensor, Fan Controller With Temperature Probe (31163), Car Parts, Black

Flex-a-liteVariable Speed Controller and Relay Kit with Thread-In Temperature Sensor, Fan Controller With Temperature Probe (31163), Car Parts, Black

Q: I need a replacement temp sensor anyone have a part number?

Replacement push-in probe 33073 Replacement thread-in probe 32050 Flex a lite part numbers

Q: How many fans is this rated to run at 12 volts each? I have 2 90 watt 12v fans and they don't seem to run at full speed with this switch.

You need to let them run for a bit to get up to full speed. If you want them to run full speed from the start just put them on a relay with a switch.

Q: Does this fit cherokee xj 2000?

Yes. It is universal. Just wire it into your system per the instructions.

Q: is this compatable with a flex-a-lite 180?

this is a universal fit item, so yes it should work fine

Product ID: 318151022

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Details

Brand
Flex-a-lite
Material
Metal Plastic
Item weight
454 g
Style
Modern
Lower temperature rating
160 Degrees

⚡Reduces startup amperage with 60-100% fan speed

🔧Includes thread-in temp sensor + adapters

🌡️Adjustable temp range 160-240°F

Frequently Bought Together

Flex-A-Lite Variable Speed Controller and Relay Kit with Thread-In Temperature Sensor, Fan Controller With Temperature Probe (31163), Black

Flex-a-lite Flex-Wave LoBoy Electric Fan, Puller Fan, 16 Inches (238/105390)

Flex-A-Lite 1-1/2 Inch Inside Diameter In-line Radiator Hose Adapter (32082/107078)

Description

🌬️ Keep your engine cool, your ride smarter — don’t get left in the heat!

SMART HEAT DISSIPATION - Runs fans for 30 seconds post-shutdown to prevent overheating and extend radiator life.
UNIVERSAL FIT SENSOR KIT - Comes with 1/4" NPT temperature probe plus 3/8" and 1/2" adapters for versatile mounting options.
INTEGRATED RELAY FUNCTION - Built-in relay eliminates need for external components, simplifying installation and reducing clutter.
PRECISION COOLING CONTROL - Automatically adjusts fan speed from 60% to 100% based on coolant temperature for optimal engine performance.
RELIABLE WARRANTY BACKED - 45-amp rated controller with a 1-year manufacturer warranty ensures durability and peace of mind.

The Flex-A-Lite Variable Speed Controller (Model 31163) is a high-performance automotive fan controller designed for dual-fan systems. It features an adjustable temperature activation range (160-240°F), variable fan speed control (60-100%), and a built-in relay to streamline installation. Equipped with a thread-in temperature sensor and adapters, it ensures precise cooling management and runs fans briefly after shutdown to prevent heat soak. Rated for 45 amps and backed by a 1-year warranty, this black controller is a reliable upgrade for any 12V vehicle cooling system.

Specifications

Brand	Flex-a-lite
Model Number	31163
Color	Black
Material	Metal, Plastic, Semiconductor
Special Features	Manual
Item Weight	454 g

Have a Question? See What Others Asked

I need a replacement temp sensor anyone have a part number?

How many fans is this rated to run at 12 volts each? I have 2 90 watt 12v fans and they don't seem to run at full speed with this switch.

Does this fit cherokee xj 2000?

is this compatable with a flex-a-lite 180?

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