Hydraulic Main Piston Pump 532-9025 for E310 Excavator

This hydraulic main piston pump is the core power component of the excavator hydraulic system, compatible with the E310 model. It supplies pressure oil for boom, arm, bucket, and travel movements. Manufactured with precise processing, it delivers stable output pressure and excellent wear resistance, making it ideal for machine overhaul and replacement.

The following symptoms may indicate the pump requires inspection or replacement:

• Weak digging force and slow working speed
• Abnormal noise and vibration during operation
• Internal wear leading to pressure drop
• Oil leakage at the pump assembly sealing surface
• Unstable hydraulic flow and action jitter

Please observe the following guidelines before placing your order:

1. Verify the machine model before placing the order
2. Confirm the part number matches your old pump
3. Keep hydraulic oil clean during installation
4. Replace the sealing kit together if necessary