All elements within the filter e.g. the media paper, valves, and springs meet the OE specification requirements to maintain high quality filtration and reduce wear. All Filters are fully tested & quality checked during production for premium quality assurance Manufactured to OE specification to ensure optimum performance and longevity Supplied with a comprehensive warranty for total peace of mind Each reference is supplied with fitting instructions to provide a hassle-free replacement plus, they are supported by a comprehensive warranty for total peace of mind