707-99-46130 Boom Cylinder Seal Kit 85mm Rod 120mm Bore for Komatsu PC200-7 PC200LC-7 PC210-7

707-99-46130 Boom Cylinder Seal Kit for Komatsu Excavators

707-99-46130 is a boom hydraulic cylinder seal kit for Komatsu excavators including PC200-7, PC200LC-7, PC210-7, PC210LC-7 and other compatible models. Designed for boom cylinder repair and rebuilding, this seal kit replaces the main sealing components used inside the hydraulic cylinder and helps restore reliable sealing performance.

The applicable hydraulic cylinder configuration uses an 85 mm piston rod and 120 mm cylinder bore. Before ordering, please confirm the 707-99-46130 part number and excavator model to ensure correct fitment.

Compatible Komatsu Excavator Models

For following models:

Komatsu Excavator PC200-7, PC200LC-7, PC210-7, PC210LC-7, PC210-7K, PC210LC-7K, PC210NLC-7K, PC228US-3, PC228USLC-3, PC230NHD-7K

707-99-46130 Seal Kit Components

The following components are documented as seal kit parts for the applicable boom cylinder assembly. Quantities are provided as a parts-catalog reference for one repair application.

Seal color, material appearance and individual component design may vary between production batches. The 707-99-46130 part number and machine application should be used as the primary references when confirming the correct repair kit.

Boom Cylinder Repair

The 707-99-46130 seal kit is suitable for boom cylinder overhaul when the hydraulic cylinder shows oil leakage, pressure loss or worn sealing components. Before installation, inspect the piston rod, cylinder bore, piston and seal grooves for scoring, corrosion or abnormal wear. Clean all components thoroughly and install each seal in the correct position and direction before returning the cylinder to service.

Topvelsun supplies replacement hydraulic cylinder seal kits for Komatsu excavators. For fitment confirmation, customers can provide the Komatsu part number and excavator model before ordering.

For other PC200-7 and PC210LC-7 hydraulic cylinder repairs, Topvelsun also supplies 707-99-57160 arm cylinder seal kits and 707-99-45230 bucket cylinder seal kits.