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Variable Speed Controller with Stainless Steel Temperature Probe

Part Number: 31165
MSRP: $193.23

Quick Overview

Flex-a-lite® Variable Speed Controller.


The Flex-a-lite® Variable Speed Controller turns the electric fan on and off at the desired temperature. Fans turn on at 60-percent power and fan speed increases as the temperature rises. You can easily adjust the activation temperature between approximately 160-240 degrees Fahrenheit. It also turns the electric fan on when the vehicle air conditioner is engaged. Fan will run for up to 30 seconds after the vehicle is turned off.

  • Stainless steel temperature probe
  • Variable fan speed
  • 45 amp rating
  • 12-volt systems only

Installation Instructions

PDF Install Instructions: 31165-99943.pdf
YouTube Installation Video:

Additional Information

SKU 31165
Shipping Status Will ship within 2 business days
Year No
Make No
Model No
Engine No
Fitment Notes N/A
Displacement CID No
Liters No