Originally Posted By: Familyguy
Exactly. You can already buy a cheap rare earth magnet and re-use it from filter to filter. Anyone ever done this and then cut the filter casing open to see if the magnet actually "caught" anything?
I've never tried a magnet on an oil filter, but I've had a couple of cars with magnetic drain plugs. There's ALWAYS a hint of a beard on them when you pull them, so I'm sure the filter magnets would do the same.... but then the filter MEDIA can capture that size debris anyway, so what's the point?