72 Demon AC

So I bought my 72 Demon about a year ago now and only I've only started looking into getting the AC in it working properly.
It seems to blow air fine but the buttons/control panel are very sticky and need to be replaced. Also, it doesn't seem to be very cold so not sure if it just needs a recharge. Lastly, I don't see any ac equipment under the hood so I'm thinking they're being the console.

Do these look aftermarket or OEM?
Can I buy and replace just the control panel? If yes, where?

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