Komatsu 07000 05180 O Ring Replacement for Excavators

Excavator Spare Parts
November 12, 2026
Video Description:
In this video, we walk through the replacement of the Komatsu 07000-05180 O-ring on PC100, PC120, PC130, and PC150 excavators. See how this small seal prevents hydraulic oil leaks, blocks dust and moisture, and absorbs vibration in demanding jobs. We demonstrate the removal and installation process, highlight fitment across compatible models, and share practical tips to keep your machine running reliably.