Need help with this part's name

TOYOTA_PRIUS_2010-2017_1.8L_HYBRID_JDM_ENGINE_-_2ZR-FXE_5_2048x2048 by Jacky chio posted Jul 10, 2021 at 3:16 PM

hello, my friend's prius is diagnosed with oil leak from this part, what is it's name and is it an easy to moderate diy replacement job?

Thanks guys

 

I checked the parts picture and that sounds about right, thank you!