Noticias

Hydraulic cylinder seal failure on an excavator showing oil leakage from the rod seal
Excavator Seal Kit

Hydraulic Cylinder Seal Failure: 7 Common Causes and How to Prevent Leaks

Learn the 7 common causes of hydraulic cylinder seal failure, how to diagnose leaks, and what to check before ordering a replacement seal kit.
7 sept 2026
Fujis Seal Technical Team