4632971 4691388 4676374 Hydraulic Main Control Valve for Hitachi ZAXIS ZX870-3 ZX1000K-3 ZX850-3 ZX1800K-3 Excavators Heavy Duty Distribution Valve

• Custom hydraulic main control valve for Hitachi ZAXIS ZX870-3, ZX1000K-3, ZX850-3, ZX1800K-3 excavators, strictly matching part numbers 4632971, 4691388, 4676374 with unified assembly dimensions
• Large-flow optimized internal passage specially designed for super-large excavators, ensuring sufficient hydraulic supply for heavy-duty working devices
• Integral forged valve body with ultra-high pressure resistance, adapting to extreme load impact in mining and large-scale earthmoving
• Ultra-precision ground spool assembly achieves fast, stable response and precise control of giant excavator movements
• Multi-layer reinforced sealing structure greatly reduces internal leakage and ensures long-term stable operation under continuous heavy load
• Built-in hydraulic shock-absorbing design effectively weakens pressure impact, protecting the whole hydraulic system from damage

Strategically loTQTQCATed in Guangzhou's Huangpu District, approximately an hour from Baiyun International Airport.

• Ready inventory of over 500 assembly types with access to 6,000+ different parts
• Specialization in hydraulic pumps, control valves, travel, and swing assemblies
• Distinct advantage in large mining excavator components and hard-to-find items
• 4,000-square-meter factory equipped for professional manufacturing and testing

Our packaging includes sturdy plywood crates with metal fasteners, internal bubble wrap cushioning, wooden braces, high-strength PET plastic strapping, and waterproof black film to ensure safe delivery.

• One-stop solution provider for hydraulic components
• High-quality products at competitive prices
• Exceptional customer service
• Large inventory with short delivery times
• Long warranty periods
• Professional expertise in excavator components