[twversa]

Several days ago I was checking the engine area of my versa.
I found this on the battery pan next to the battery.
Anyone has any idea?
I guess it is the small filter in the brake/clutch reservoir tank neck?

 

[Hschlick84]

It could be a filter for the fuel line or brake line. It may also be a filter for the water pump, not sure if that is needed. That's the best guess I have.

 

[robj80]

It's definitely a filter. It looks small but without another object in the pic it's hard to judge size. Check all your reservoirs. It looks clean though so check the washer fluid first !

 

[Jerad]

see if you can find a part # etched in it and call your dealership?
Or even just call em and tell them what you found...

 

[McLeod1981]

brake fluid reservoir filter, throughly clean it off/up and reinstall.