Cat® Hydraulic Cylinder Seal Kits contain all seals required for a complete reseal standard nominal (Up to 0.25mm Max (0.010 INCH) bore sized hydraulic cylinder. Attributes Cat® Hydraulic Cylinder Seal Kits contain genuine Cat® seals, many of which feature proprietary materials and patented designs for superior compression set and broader temperature applications. All are matched to your application, helping to ensure top performance and long wear life. Also, because Cat® Hydraulic Cylinder Seal Kits provide all seals required for a complete reseal, customers are provided with a quick solution during time sensitive repairs. This ensures maximum uptime and productivity. Recommended Application: Cat® Hydraulic Cylinder Seal Kit application is specific to a cylinder group part number and incorporates the most recent engineering improvements.