Just for your reference the Thermostat listed for the earlier i.e 90-95 models is exactly the same and costs a fraction of the one actually listed for this model. I was recently quoted £30 for the "correct" one but bought the earlier model one for £9.95.

It is a Quinton and Hazel unit part number QTH353

Opening temp is 80 degrees celcius. Note the owners manual stats 90, this is incorrect. The original unit I took out was a genuine Mopar one and it too said 80.

Hope this helps.