OEM Pneumatic Valve for Komatsu PC3000, PC4000, PC5500 and PC8000 (ref. 798 877 73)
A pneumatic valve controls compressed-air flow in the machine pneumatic circuit. Pneumatic valves fail from contamination, seal wear and moisture, causing leakage or sticking.
Key facts
- Part: Pneumatic Valve, new replacement for Komatsu PC3000, PC4000, PC5500 and PC8000
- Komatsu OEM ref.: 798 877 73 (also written 79887773)
- 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-PV-1BK9ST
- 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 798 877 73?
It is the pneumatic valve for Komatsu PC3000, PC4000, PC5500 and PC8000; HD Mining Parts supplies a new replacement under SKU KMP-PV-1BK9ST.
How is this pneumatic valve supplied?
New, to OEM specification, with compatibility confirmed by part number before shipping.
Request Komatsu OEM ref. 798 877 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.