6HK1 6WG1 Engine Oil Pipe For Hitachi ZX450 ZX460 ZX470 Excavator 0942407

Hitachi (ZX450, ZX450-3, ZX450-3F, ZX450H, ZX450LC-3-DH, ZX460LCH-AMS, ZX460LCH-HCME, ZX470-5G, ZX470H-3, ZX470H-3-HCMC, ZX470H-3F, ZX470H-5G, ZX470LC-5B, ZX470LC-5G, ZX470LCH-5B, ZX470LCH-5G, ZX470LCR-5G...)

• Oil resistant nitrile rubber inner tube with multi-layer high strength steel wire winding reinforcement and thickened wear anti-aging outer rubber cover
• Designed to bear 320bar main hydraulic pressure for long-term operation and resist pressure pulse impact from frequent boom stick movements
• Prevents inner crack, bulge, or oil leakage for stable hydraulic oil supply
• Fixes common failures such as boom dropping, weak movement, and pipeline seepage
• Precisely forged end joints with thickened 45 alloy steel, integrally crimped with hose without loose clearance
• Thread and flange dimensions fully match original Hitachi mounting positions
• Equipped with high-low temperature resistant FKM sealing rings
• Prevents thread loose and oil leakage under continuous vibration during mining and earthmoving work
• Standard OEM length and bending angle eliminate forced bending during installation
• Easy disassembly and replacement with significantly longer service life than ordinary single layer rubber oil pipes