Yes, we do have replacement passenger side mirror assemblies for your 2021 Nissan NV200. They are both black.
K-Source Replacement Side Mirror - Manual w/ Spotter Mirror - Textured Black - Passenger Side item # KS68109N.
K-Source Replacement Side Mirror - Electric/Heat w Spotter Mirror - Black - Passenger item # KS68111N. view full answer...
So from what I can gather, it sounds like you are looking for a replacement head for a Curt MV Weight Distribution System with Friction Sway Control such as part # C17062 because yours was somehow damaged.
If so, we do have that with the Replacement Head for Curt MV Weight Distribution Systems # C17075.
I have added a link below to a video review for you to check out of this part, and if you were actually needing something different, please do let me know. view full answer...