electric cooling fan temp switch???

I've been running one like this for 5-6 years. Pretty cheap
[ame="http://www.amazon.com/JEGS-Performance-Products-Adjustable-Temperature/dp/B007VR66CQ"]Amazon.com: JEGS Performance Products 52125 Adjustable Fan Temperature Switch: Automotive[/ame]


Maradyne MFA110 is $25 and the Hayden Automotive 3653 is $16.38 on Amazon.