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 ...

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 ...

We earn commissions from purchases you make using links in our articles. Learn more. Want to start saving some money by changing your own oil? Most vehicles can have their oil changed from the ...