XZR8®
Hitachi 4451039 Main Pump Seal Kit
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Hitachi 4451039 Main Pump Seal Kit

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Kit TypeMain Hydraulic Pump Seal Kit
Compatible PumpKawasaki HPV102, HPV118
Max Operating Pressure35 MPa
Seal MaterialsNBR, HNBR, PTFE, ACM, VMQ
Temperature Range-40°C to 120°C
Kit ContentsPiston seals, cylinder seals, O-rings, backup rings, wear rings
Applications20-ton class hydraulic excavators
Net Weight0.8 kg
Package Dimensions22 × 16 × 10 cm

Manufacturer No.

  • 4451039
  • 9262319
  • 9262320
  • HPV102
  • HPV118
  • MPK-ZX200-1
  • 8-97602379-0

OEM Part No.

  • 4451039
  • 9262319
  • 9262320
  • 8-97602379-0

Engine Part No.

  • Isuzu 6BG1T
  • Isuzu 4HK1
  • Isuzu 6BG1TRA
  • Isuzu AA-6BG1T
  • Isuzu AL-4HK1X
  • Isuzu AI-4HK1X
  • Isuzu CC-6BG1T

Interchange No.

  • MPK-ZX200-1
  • HPV102
  • HPV118

Fitment Vehicles

  • Hitachi ZX200
  • Hitachi ZX200-3
  • Hitachi ZX200-5G
  • Hitachi ZX200LC
  • Hitachi ZX200LC-3
  • Hitachi ZX210
  • Hitachi ZX210-3
  • Hitachi ZX210LC
  • Hitachi ZX225
  • Hitachi ZX240
  • Hitachi ZX270-3
  • Hitachi ZX360W-3
  • Hitachi IZX200
  • Hitachi IZX200LC
  • Hitachi MA200-G
  • Hitachi SR2000G
  • Hitachi VR512
  • Hitachi EX200-5
Technical engineering specifications and operating parameters for the main pump seal kit designed for Hitachi ZX200 series hydraulic excavators. The kit services Kawasaki HPV102 and HPV118 series main pumps used in 20-ton class machines. Contains precision-molded NOK seals, O-rings, and backup rings manufactured to OEM dimensions for high-pressure hydraulic systems operating up to 35 MPa. Material composition includes NBR, HNBR, and PTFE compounds resistant to hydraulic oil degradation and temperature extremes. Direct replacement for Hitachi OEM part numbers 4451039, 9262319, and 9262320. Verified interchangeability with aftermarket references from Mottrol, Guke, and major hydraulic seal suppliers.

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