Center Joint Seal Kit for Komatsu 703-08-00110 Construction Machinery. Premium quality hydraulic seal repair kit for construction machinery from topsealkit, delivers excellent sealing performance, superior wear resistance, and perfect OEM compatibility for Komatsu PC100-6 PC120-6 excavators. This aftermarket premium center joint seal kit is constructed with high-quality materials to withstand high pressure and extreme temperatures, ensuring reliable hydraulic system protection for construction, landscaping, and small-scale civil engineering projects.