Mini Excavator Overhaul Replacement Main Piston Pump A10VO45DR/52R-VUC12N00 Hydraulic Overhaul Part

A10VO45DR fully duplicates OEM flow channel, special flange, spline shaft and DR load valve specs. Precision ground piston set + imported high-pressure FKM oil seals maintain ultra-low internal leakage without seepage under heavy loads.