OEM Valve for Komatsu PC3000, PC4000, PC5500 and PC8000 (ref. 799 521 73)
A hydraulic valve directs and regulates oil flow and pressure within the hydraulic circuit. Valves most often fail from contamination causing spool sticking and internal leakage; worn seats and springs change the set pressure.
Key facts
- Part: Valve, new replacement for Komatsu PC3000, PC4000, PC5500 and PC8000
- Komatsu OEM ref.: 799 521 73 (also written 79952173)
- Interchangeable references: none listed (single reference)
- Fits: Komatsu PC3000, PC4000, PC5500 and PC8000 (mining excavator)
- Condition: New, to OEM specification
- HD Mining Parts SKU: KMP-V-1BLNHP
- Supplied by: HD Mining Parts (worldwide export, quote-based)
Each part is matched by reference number and technically verified before dispatch, with traceable sourcing and export-ready delivery; availability and lead time on request.
Frequently asked questions
What part is Komatsu OEM number 799 521 73?
It is the valve for Komatsu PC3000, PC4000, PC5500 and PC8000; HD Mining Parts supplies a new replacement under SKU KMP-V-1BLNHP.
How is this valve supplied?
New, to OEM specification, with compatibility confirmed by part number before shipping.
Request Komatsu OEM ref. 799 521 73, or browse all Hydraulic Valves and Komatsu PC3000 spare parts, Komatsu PC4000 spare parts, Komatsu PC5500 spare parts, Komatsu PC8000 spare parts, or request a quotation.