The Caterpillar KX2331 Seal Kit is a genuine OEM component designed for maintaining hydraulic systems in a wide range of Caterpillar machinery. This essential kit ensures proper sealing and prevents leaks, which is crucial for the optimal performance and longevity of hydraulic cylinders and other critical components. It is compatible with numerous Cat models, including excavators such as the 301.6C, 301.8C, 302.5C, 303.5C, 304C CR, 305C CR, 307C, 308C CR, 311C, 312C, 314C CR, 315C, 318C, 320C, 321C CR, 322C, 323D L, 324D, 325C, 328D LCR, 329D L, 330C, 330D L, 345C, 345D L, 365C, 385C, mobile excavators M313C, M315C, M316C, M318C, M322C, M325C MH, M330D, and telehandlers TH210, TH215, TH220B, TH330B, TH340B, TH350B, TH355B, TH360B, TH460B, TH560B, TH580B, TL1055, TL1255, TL642, TL943.