In observance of Memorial Day, our office will be closed Monday May 25. Online ordering will remain available, and any orders placed will be processed the following day.
PMA direct replacement for Piper part number 587-404 (Stabilus Bloc-O-Lift or Gas Springs Corp. EasyLift style cylinder).
Piper part number 89178-010 is an assembly that includes the 587-404 cylinder and an adaptor block. Some parts catalogs do not list the 587-404 separately. McFarlane part number MC587-404 is a direct replacement for the cylinder component of 89178-010.
Does not replace Piper part number 76445-000 (P.L. Porter Hydro Lock style cylinder).
One seat adjustment spring per bucket type seat (bench type passenger seats are excluded).