Komatsu PC70-8 Main Control Valve Seal Kit
Complete main control valve (MCV) seal kit for Komatsu PC70-8 — everything needed for one full MCV reseal in a single package.
Cross-referenced to original Komatsu factory part numbers. Includes spool O-rings, relief valve seals, pilot section seals, and end-cap seals — no need to source parts from multiple suppliers.
Kit contents:
- Spool O-rings (NBR)
- Relief valve seals (NBR + PTFE back-up)
- Pilot section seals
- End-cap seals and gaskets
- Bonded washers (where applicable)
Application notes:
- One kit reseals one complete MCV assembly
- Recommended at 8,000 to 10,000 hour intervals or whenever the valve is opened
- Use clean ATF or hydraulic fluid for assembly lubrication
Fits Komatsu PC70-8 main control valves.
Stocked in Surrey, BC. Same-day dispatch on orders placed before 2 PM PST.