The most reliable oil filter as of 2015 is the Purolator PureONE, according to Bestcovery. Also highly rated by Bestcovery is the Mobil 1 Extended Performance oil filter and the Purolator Classic oil filter.
The Purolator PureONE is highly rated because of its high-performing filtering element. The element is dense fiber and plastic that provides maximum filtration. The PureONE is also highly rated by Amazon.com users with 4.5 stars out of five.
The Mobil 1 filter element is made of synthetic material to better catch micro particles and small contaminants. This filter is rated five out of five stars by Amazon.com users.