Cat Hydraulic Swivel 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. Customers are provided with a quick solution during time sensitive repairs ensuring maximum uptime and productivity.Cat Hydraulic Swivel Seal Kit application is specific to a Swivel group part number and incorporates the most recent engineering improvements.For further details, reference media available at catpublications.com and SIS2.cat.com or contact your local Cat® Dealer.