Perko 3/4" Strainer Cork Gasket KitPerko 0493DP599M cork gasket kit is designed for servicing and rebuilding Perko 493 series intake water strainers. It restores proper sealing in raw water cooling systems that originally use cork gaskets, helping maintain leak-free operation.Key Features Replacement gasket kit for Perko 493 series strainers; Used for rebuilding or servicing intake water strainers; Natural cork material construction; Helps prevent leaks in raw water cooling systems; Fits Perko models 0493004PLB and 0493005PLB; Specifications Part number: 0493DP599M; Material: Natural cork; 1 cover gasket: 2-3/8" OD x 1-3/4" ID; 2 cylinder gaskets: 3-1/2" OD x 2-5/8" ID; Application: Intake water strainer sealing kit;