707-99-73150 Dump Cylinder Seal Kit 100mm Rod 200mm Bore for Komatsu WA450-5L WA470-5

707-99-73150 Dump Cylinder Seal Kit for Komatsu Wheel Loaders

707-99-73150 is a dump hydraulic cylinder seal kit for Komatsu WA450-5L and WA470-5 wheel loaders. Designed for dump cylinder repair and rebuilding, this service kit replaces the main sealing components used inside the hydraulic cylinder and helps restore reliable hydraulic sealing performance.

The applicable hydraulic cylinder configuration uses a 100 mm piston rod and 200 mm cylinder bore. The 707-99-73150 service kit is used with standard dump and selected dump high-lift cylinder applications. Before ordering, please confirm the part number and wheel loader model to ensure correct fitment.

Compatible Komatsu Wheel Loader Models

For following models:

Komatsu Wheel Loader WA450-5L, WA470-5

707-99-73150 Seal Kit Components

The following parts are documented as kit components for the applicable Komatsu dump cylinder assembly.

Seal color, material appearance and individual component design may vary between production batches. The 707-99-73150 part number and machine application should be used as the primary references when confirming the correct repair kit.

Dump Cylinder Repair

The 707-99-73150 seal kit is used during Komatsu wheel loader dump 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 all hydraulic cylinder 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 construction machinery. For fitment confirmation, customers can provide the Komatsu part number and machine model before ordering.