A leaking cylinder seal kit causes hydraulic fluid bypass, reduced extend/retract force, and oil loss that creates compliance and environmental issues on site. This seal kit-dump cylinder wa380-3 707-99-64520 includes all seals, O-rings, backup rings, and dust seals needed to restore the cylinder to full service condition.

Why Choose This Seal kit-Dump Cylinder WA380-3 707-99-64520
– Rod seal, piston seal, wiper seal, O-rings, and backup rings
– All components matched to OEM cylinder bore, rod diameter, and groove dimensions
– Compatible with standard excavator hydraulic fluid types and operating temperatures

Heavy-Duty Construction
This seal kit-dump cylinder wa380-3 707-99-64520 is manufactured using polyurethane rod and piston seals for high wear resistance and low friction. NBR O-rings for standard hydraulic fluid compatibility; FKM (Viton) available for high-temperature applications. PTFE backup rings for anti-extrusion support at high operating pressures. Designed to withstand vibration, impact loads, and harsh operating environments commonly found in construction, quarry, mining, and earthmoving applications. Precision manufacturing helps ensure correct fitment and long service life.

Applications
Suitable for a wide range of heavy equipment and undercarriage systems including:
– Excavators
– Dozers
– Loaders
– Track roller assemblies
– Earthmoving machinery undercarriage components

Maintenance Recommendations
– Inspect cylinder bore and rod for scoring before fitting new seals
– Clean all grooves with solvent and allow to dry before fitting
– Lubricate all seals with clean hydraulic fluid immediately before installation; never use grease

Australia-Wide Supply
We supply high-quality seal kit-dump cylinder wa380-3 707-99-64520 replacement parts across Australia with shipping from NSW. Suitable for aftermarket heavy equipment repairs and undercarriage maintenance applications.