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PC320 Hydraulic Parts

PC320 hydraulic spare‑parts are premium replacement components for Komatsu PC320 medium‑sized excavator main piston pump. Including cylinder block, piston shoe, valve plate, drive shaft and rotary‑group repair kits. Precision‑machined, highly interchangeable and wear‑resistant, suitable for hydraulic pump overhaul and routine maintenance.

  • PC320

  • PC320

  • Standard export carton/plywood case

  • Yes

  • ISO9001，CE

  • 1 set

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Product Description

PC320 Hydraulic Parts OVERVIEW

PC320 hydraulic spare‑parts are high‑precision aftermarket replacement components specially designed for Komatsu PC320‑7, PC320‑8 medium‑size excavator main hydraulic piston pumps. Our full‑range spare‑parts contain cylinder block, piston shoe, valve plate, drive shaft, swash plate, retainer plate, seal repair kits and complete rotary‑group assemblies. These overhaul accessories can replace worn‑out inner pump parts, reduce internal oil leakage and restore stable digging power for medium‑duty excavators.PC320 1

Features and Benefits

  • Strictly machined according to original drawing dimensions, great interchangeability

  • High‑strength alloy‑steel and copper‑alloy friction pairs, excellent wear‑resistance under long‑time heavy‑load digging

  • Professional heat‑treatment and ultra‑precision grinding, low‑leakage and high volumetric efficiency

  • Reliable long‑term performance on various tough construction‑site working‑conditions

  • Cost‑effective alternative to original spare‑parts, effectively cuts maintenance‑expense and equipment downtime

Applications

  • Hydraulic main‑pump overhaul & repair for Komatsu PC320‑7, PC320‑8 medium excavators

  • Maintenance service for matched variable piston pumps

  • Medium‑sized excavator repair workshops, machinery‑rental fleet maintenance

  • Replacement of damaged core internal hydraulic‑pump components

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