SEAT - Replacement air filter - SEAT - Replacement air filter: browse our selection on NSB concept. Find replacement, filter and seat and compare options. Filter by reference, fitment and specs…SEAT - Replacement air filter - SEAT - Replacement air filter: browse our selection on NSB concept. Find replacement, filter and seat and compare options. Filter by reference, fitment and specs to pick the right part. Search by part number / model Specs & fitment details For maintenance and performance builds How to choose? Match the original part number or key specs (dimensions, type, mounting) and check fitment notes. Not sure? Use the category filters or reach out with your vehicle details and the reference you need.