Dear Tom and Ray: I recently saw a car catalog that had an oil-filter magnet for sale. The magnet was placed on the bottom of an oil filter and was strong enough to remove any metal shavings from the ...

A magnetic oil filter drain plug and/or an oil filter magnet add one more potential layer of engine protection. Do they work? Residue on the drain plug says yes, but it’s anyone’s guess with the oil ...

TOM: These things have been around for years, Ron. They certainly don’t do any harm. RAY: They sell magnets that go inside the oil pan, magnets that are built into the oil plug, and magnets, like this ...

I recently saw a car catalog that had an oil-filter magnet for sale. The magnet was placed on the bottom of an oil filter and was strong enough to remove any metal shavings from the oil stream. Is ...