Purolator has been manufacturing, marketing and distributing filters since 1923. In fact, the first automotive oil filter was called a "Purolator". Purolator's quality record speaks for itself. Two of the Big Three domestic automakers, Ford Motor Company and Chrysler Corporation have all given significant quality awards to Purolator. In addition, all of the Purolator manufacturing plants are QS-9000 registered, the automotive equivalent to ISO-9000. Additional Informations (e.g. Application Charts) you can find on the homepage of ...