PAHT CF15 Filament (CF reinforced Polyamide filament) can handle up to 180C/356F. That would be the most ideal choice for a part like that, both in terms of chemical and UV resistnce as well as heat. It's also extremely rigid.
Downside is, it's also a tad pricey at about 100 bucks for a 750g spool and you will need a nozzle capable of 250C/482F in order to print it.
Downside is, it's also a tad pricey at about 100 bucks for a 750g spool and you will need a nozzle capable of 250C/482F in order to print it.