Main Piston Pump 400911-00249 R902547090 For Full Hydraulic Overhaul Of Doosan DX800LC-9C Large Excavator

Fully duplicates OEM specs of 400911-00249/R902547090 flange, spline shaft, piston set and DR valve. Precision ground pistons with imported heat-resistant FKM high-pressure seals achieve ultra-low internal leakage under heavy loads. Factory pre-calibrated load pressure, standard universal replacement for full hydraulic overhaul of DX800LC-9C.