Yes, there is a relief valve,But doesn't work well. The brand is MANN
W/719 12

James W Wagner wrote:

> Hi All,
>
> I just read a post that advised against using common name brand oil
> filters for Vanagons, but I can't remember why that is.  I compared a
> Pennzoil filter with an official VW/Audi filter (black with VW and Audi
> logos on it) a while ago, and they "looked" nearly identical.
>
> I haven't thought about this for a while, but I thought there was some
> kind of relief valve in the official filter?
>
> Thanks,
> James