Swivel Joint Seal Kit for Construction Machinery RC101-62303 Excavator. Premium quality hydraulic seal repair kit for construction machinery from topsealkit, delivers reliable sealing performance, superior durability, and perfect OEM compatibility for Kubota KX61-2 KX91-2 excavators. This aftermarket premium swivel joint seal kit (Part No: RC101-62303) 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.