Originally Posted by Lone Ranger
Why replace the o-ring if its still in good shape?
...I always replace any o-ring when a new one is supplied. If it's subjected to corrosives, pressure, heat cycles, expansion and compression, and is made of silicone or rubber, all I ask is...
why NOT change it? The filter comes with a new one. And if the old one should fail, it'll cause a bigger mess than the current drain plug design
Just my 2 cents.