The Baldwin PA1664 is a round-oval engine air filter element with a 6-5/8-inch outer diameter and a 9-13/16-inch overall height. It uses an axial seal for a secure fit in engine housings and to prevent unfiltered air bypass. Listed under Baldwin Filters and available from distributors such as FleetPride, Grainger, and Zoro, the PA1664 serves as a replacement air-filter element for engines that require this Baldwin part number.
