Product review (5 stars): Easy to replace and fixed the problem
Bought this part after being faced with the common problem of KitchenAid ovens (my model is KGSA906PSS00) shutting down during the self cleaning process.  The oven door remained locked and the digital control panel was completely off.  The thermostat was simple to replace.  I slid the oven away from the wall, turned off the gas valve and unplugged the power cord.  I removed the panel from the back of the stove (about 10 screws) and after doing so, the thermostat was immediately visible.  To remove the old thermostat, you simply unplug the 2 terminals from both ends and remove the 2 screws that attach the thermostat to the back of the oven and install the new one using the same steps in reverse.  I plugged in the oven and presto -- the oven door unlocked and the control panel turned on.