707-99-45230 Bucket Cylinder Seal Kit 80mm Rod 115mm Bore for Komatsu PC200-7 PC210LC-7

707-99-45230 Bucket Cylinder Seal Kit for Komatsu Excavators

707-99-45230 is a bucket hydraulic cylinder seal kit for Komatsu excavators including PC200-7, PC200LC-7, PC210-7, PC210LC-7 and other compatible models. Designed for bucket cylinder repair and rebuilding, this seal kit replaces the main sealing components used inside the hydraulic cylinder and helps restore reliable hydraulic sealing performance.

The applicable hydraulic cylinder configuration uses an 80 mm piston rod and 115 mm cylinder bore. Before ordering, please confirm the 707-99-45230 part number and excavator model to ensure correct fitment.

Compatible Komatsu Excavator Models

For following models:

Komatsu Excavator PC200-7, PC200LC-7, PC200LC-7L, PC210-7, PC210LC-7, PC210-7K, PC210LC-7K, PC210NLC-7K, PC228US-3, PC228USLC-3, PC230NHD-7K, PW200-7, PW220-7

707-99-45230 Seal Kit Components

The following components are documented as service kit parts for the applicable Komatsu bucket cylinder assembly. Quantities are provided as a parts-catalog reference for one repair kit.

Seal color, material appearance and individual component design may vary between production batches. The 707-99-45230 part number and machine application should be used as the primary references when confirming the correct repair kit.

Bucket Cylinder Repair

The 707-99-45230 seal kit is used during Komatsu excavator bucket cylinder overhaul when seals become worn or hydraulic leakage develops. Before installation, inspect the piston rod, cylinder bore, piston and seal grooves for scoring, corrosion or abnormal wear. Clean the cylinder components thoroughly and install each seal in the correct position and direction before returning the hydraulic 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 the 707-99-46130 boom cylinder seal kit and 707-99-57160 arm cylinder seal kit.