You can determine which Purolator oil filter fits a vehicle by using the Application Guide at PurolatorAutoFilters.net. Enter the make, model and year of the vehicle and the guide displays the correct oil filter, as of 2015.
Purolator also offers a Where It Fits filter search for any Purolator filter. Enter the Purolator filter part number, and the site retrieves a listing of all compatible vehicles for the filter. Purolator also offers a Filter Finder tool that compares filters from other brands to their Purolator equivalents. Types of oil filters offered by Purolator include PureONE filters, synthetic oil filters and standard Purolator models.