PlayStation 4 overheating is usually caused due to a combination of dust build in the heat sink, a failed fan, dry thermal paste or all of those. In most cases its due to dust build up. We have all the parts you need to fix this issue in our parts section including the screwdriver required to open up your PS4 (Torx T8H)

PlayStation 4 (Original)
Models CUH:10XX and CUH-11XX

PlayStation 4 (Original)
Models CUH:1215 and CUH-12XX

PlayStation 4 Pro