Valve Cover Gasket Fits FARMALL Fits International Harvester 460 560 660 706 806One New Aftermarket Replacement Valve Cover Gasket Fits International Harvester (IH) Fits FARMALL Diesel Tractors This aftermarket replacement valve cover gasket seals the top of the engine on Fits International Harvester and Fits FARMALL tractors equipped with the D236, D282, DT282, and D301 diesel engines. A properly sealing valve cover gasket prevents oil leaks and keeps contaminants out of the valvetrain, protecting engine performance and