powder caot is available in virtually all colors & textures , I have powder coated dash frames in the past , no prob
I used to thing the heat would hurt parts too But I powder coated a diff housing & left the end seals in place the seals were pefect when I got the housing back , nice & soft & no damage , I asked about it & they only flash the parts to 400 * n ot heat the part to 400* so you would be amazed at what can be powder coated