Husqvarna 362, 365, 365 Special,Jonsered 2065, 2165, CS2165 Cylinder & Piston Kit,48mm Replaces 503939071 High Quality suitable replacement cylinder rebuild kit Includes cylinder, piston,piston pin, piston clips and required rings Fits Husqvarna 365, 365 Special : Jonsered 2065, 2165, CS2165 ( NOTE: 48mm kit).