Recent content by bouwerge

I always use this $ 8,- tube with a valve.

I would like to apologize for my english. I am not a native speaker. The Mopar-filter that i bought hasn't a proper o-ring. The one that came with mine has a flat side. Does anyone know if the flat side has to go up or down? (I understand from above that you may not put the "o-ring" on the...